On Mon, Dec 18, 2017 at 4:48 PM, AKASHI Takahiro <takahiro.akashi@xxxxxxxxxx> wrote: > Bhupesh, > > On Mon, Dec 18, 2017 at 02:29:05PM +0530, Bhupesh SHARMA wrote: >> On Mon, Dec 18, 2017 at 11:24 AM, AKASHI Takahiro >> <takahiro.akashi@xxxxxxxxxx> wrote: >> > On Mon, Dec 18, 2017 at 01:16:57PM +0800, Dave Young wrote: >> >> kexec@fedoraproject... is for Fedora kexec scripts discussion, changed it >> >> to kexec@xxxxxxxxxxxxxxxxxxx >> >> >> >> Also add linux-acpi list >> > >> > Thank you. >> > >> >> On 12/18/17 at 02:31am, Bhupesh Sharma wrote: >> >> > On Fri, Dec 15, 2017 at 3:05 PM, Ard Biesheuvel >> >> > <ard.biesheuvel@xxxxxxxxxx> wrote: >> >> > > On 15 December 2017 at 09:59, AKASHI Takahiro >> >> > > <takahiro.akashi@xxxxxxxxxx> wrote: >> >> > >> On Wed, Dec 13, 2017 at 12:17:22PM +0000, Ard Biesheuvel wrote: >> >> > >>> On 13 December 2017 at 12:16, AKASHI Takahiro >> >> > >>> <takahiro.akashi@xxxxxxxxxx> wrote: >> >> > >>> > On Wed, Dec 13, 2017 at 10:49:27AM +0000, Ard Biesheuvel wrote: >> >> > >>> >> On 13 December 2017 at 10:26, AKASHI Takahiro >> >> > >>> >> <takahiro.akashi@xxxxxxxxxx> wrote: >> >> > >>> >> > Bhupesh, Ard, >> >> > >>> >> > >> >> > >>> >> > On Wed, Dec 13, 2017 at 03:21:59AM +0530, Bhupesh Sharma wrote: >> >> > >>> >> >> Hi Ard, Akashi >> >> > >>> >> >> >> >> > >>> >> > (snip) >> >> > >>> >> > >> >> > >>> >> >> Looking deeper into the issue, since the arm64 kexec-tools uses the >> >> > >>> >> >> 'linux,usable-memory-range' dt property to allow crash dump kernel to >> >> > >>> >> >> identify its own usable memory and exclude, at its boot time, any >> >> > >>> >> >> other memory areas that are part of the panicked kernel's memory. >> >> > >>> >> >> (see https://www.kernel.org/doc/Documentation/devicetree/bindings/chosen.txt >> >> > >>> >> >> , for details) >> >> > >>> >> > >> >> > >>> >> > Right. >> >> > >>> >> > >> >> > >>> >> >> 1). Now when 'kexec -p' is executed, this node is patched up only >> >> > >>> >> >> with the crashkernel memory range: >> >> > >>> >> >> >> >> > >>> >> >> /* add linux,usable-memory-range */ >> >> > >>> >> >> nodeoffset = fdt_path_offset(new_buf, "/chosen"); >> >> > >>> >> >> result = fdt_setprop_range(new_buf, nodeoffset, >> >> > >>> >> >> PROP_USABLE_MEM_RANGE, &crash_reserved_mem, >> >> > >>> >> >> address_cells, size_cells); >> >> > >>> >> >> >> >> > >>> >> >> (see https://git.kernel.org/pub/scm/utils/kernel/kexec/kexec-tools.git/tree/kexec/arch/arm64/kexec-arm64.c#n465 >> >> > >>> >> >> , for details) >> >> > >>> >> >> >> >> > >>> >> >> 2). This excludes the ACPI reclaim regions irrespective of whether >> >> > >>> >> >> they are marked as System RAM or as RESERVED. As, >> >> > >>> >> >> 'linux,usable-memory-range' dt node is patched up only with >> >> > >>> >> >> 'crash_reserved_mem' and not 'system_memory_ranges' >> >> > >>> >> >> >> >> > >>> >> >> 3). As a result when the crashkernel boots up it doesn't find this >> >> > >>> >> >> ACPI memory and crashes while trying to access the same: >> >> > >>> >> >> >> >> > >>> >> >> # kexec -p /boot/vmlinuz-`uname -r` --initrd=/boot/initramfs-`uname >> >> > >>> >> >> -r`.img --reuse-cmdline -d >> >> > >>> >> >> >> >> > >>> >> >> [snip..] >> >> > >>> >> >> >> >> > >>> >> >> Reserved memory range >> >> > >>> >> >> 000000000e800000-000000002e7fffff (0) >> >> > >>> >> >> >> >> > >>> >> >> Coredump memory ranges >> >> > >>> >> >> 0000000000000000-000000000e7fffff (0) >> >> > >>> >> >> 000000002e800000-000000003961ffff (0) >> >> > >>> >> >> 0000000039d40000-000000003ed2ffff (0) >> >> > >>> >> >> 000000003ed60000-000000003fbfffff (0) >> >> > >>> >> >> 0000001040000000-0000001ffbffffff (0) >> >> > >>> >> >> 0000002000000000-0000002ffbffffff (0) >> >> > >>> >> >> 0000009000000000-0000009ffbffffff (0) >> >> > >>> >> >> 000000a000000000-000000affbffffff (0) >> >> > >>> >> >> >> >> > >>> >> >> 4). So if we revert Ard's patch or just comment the fixing up of the >> >> > >>> >> >> memory cap'ing passed to the crash kernel inside >> >> > >>> >> >> 'arch/arm64/mm/init.c' (see below): >> >> > >>> >> >> >> >> > >>> >> >> static void __init fdt_enforce_memory_region(void) >> >> > >>> >> >> { >> >> > >>> >> >> struct memblock_region reg = { >> >> > >>> >> >> .size = 0, >> >> > >>> >> >> }; >> >> > >>> >> >> >> >> > >>> >> >> of_scan_flat_dt(early_init_dt_scan_usablemem, ®); >> >> > >>> >> >> >> >> > >>> >> >> if (reg.size) >> >> > >>> >> >> //memblock_cap_memory_range(reg.base, reg.size); /* >> >> > >>> >> >> comment this out */ >> >> > >>> >> >> } >> >> > >>> >> > >> >> > >>> >> > Please just don't do that. It can cause a fatal damage on >> >> > >>> >> > memory contents of the *crashed* kernel. >> >> > >>> >> > >> >> > >>> >> >> 5). Both the above temporary solutions fix the problem. >> >> > >>> >> >> >> >> > >>> >> >> 6). However exposing all System RAM regions to the crashkernel is not >> >> > >>> >> >> advisable and may cause the crashkernel or some crashkernel drivers to >> >> > >>> >> >> fail. >> >> > >>> >> >> >> >> > >>> >> >> 6a). I am trying an approach now, where the ACPI reclaim regions are >> >> > >>> >> >> added to '/proc/iomem' separately as ACPI reclaim regions by the >> >> > >>> >> >> kernel code and on the other hand the user-space 'kexec-tools' will >> >> > >>> >> >> pick up the ACPI reclaim regions from '/proc/iomem' and add it to the >> >> > >>> >> >> dt node 'linux,usable-memory-range' >> >> > >>> >> > >> >> > >>> >> > I still don't understand why we need to carry over the information >> >> > >>> >> > about "ACPI Reclaim memory" to crash dump kernel. In my understandings, >> >> > >>> >> > such regions are free to be reused by the kernel after some point of >> >> > >>> >> > initialization. Why does crash dump kernel need to know about them? >> >> > >>> >> > >> >> > >>> >> >> >> > >>> >> Not really. According to the UEFI spec, they can be reclaimed after >> >> > >>> >> the OS has initialized, i.e., when it has consumed the ACPI tables and >> >> > >>> >> no longer needs them. Of course, in order to be able to boot a kexec >> >> > >>> >> kernel, those regions needs to be preserved, which is why they are >> >> > >>> >> memblock_reserve()'d now. >> >> > >>> > >> >> > >>> > For my better understandings, who is actually accessing such regions >> >> > >>> > during boot time, uefi itself or efistub? >> >> > >>> > >> >> > >>> >> >> > >>> No, only the kernel. This is where the ACPI tables are stored. For >> >> > >>> instance, on QEMU we have >> >> > >>> >> >> > >>> ACPI: RSDP 0x0000000078980000 000024 (v02 BOCHS ) >> >> > >>> ACPI: XSDT 0x0000000078970000 000054 (v01 BOCHS BXPCFACP 00000001 >> >> > >>> 01000013) >> >> > >>> ACPI: FACP 0x0000000078930000 00010C (v05 BOCHS BXPCFACP 00000001 >> >> > >>> BXPC 00000001) >> >> > >>> ACPI: DSDT 0x0000000078940000 0011DA (v02 BOCHS BXPCDSDT 00000001 >> >> > >>> BXPC 00000001) >> >> > >>> ACPI: APIC 0x0000000078920000 000140 (v03 BOCHS BXPCAPIC 00000001 >> >> > >>> BXPC 00000001) >> >> > >>> ACPI: GTDT 0x0000000078910000 000060 (v02 BOCHS BXPCGTDT 00000001 >> >> > >>> BXPC 00000001) >> >> > >>> ACPI: MCFG 0x0000000078900000 00003C (v01 BOCHS BXPCMCFG 00000001 >> >> > >>> BXPC 00000001) >> >> > >>> ACPI: SPCR 0x00000000788F0000 000050 (v02 BOCHS BXPCSPCR 00000001 >> >> > >>> BXPC 00000001) >> >> > >>> ACPI: IORT 0x00000000788E0000 00007C (v00 BOCHS BXPCIORT 00000001 >> >> > >>> BXPC 00000001) >> >> > >>> >> >> > >>> covered by >> >> > >>> >> >> > >>> efi: 0x0000788e0000-0x00007894ffff [ACPI Reclaim Memory ...] >> >> > >>> ... >> >> > >>> efi: 0x000078970000-0x00007898ffff [ACPI Reclaim Memory ...] >> >> > >> >> >> > >> OK. I mistakenly understood those regions could be freed after exiting >> >> > >> UEFI boot services. >> >> > >> >> >> > >>> >> >> > >>> >> So it seems that kexec does not honour the memblock_reserve() table >> >> > >>> >> when booting the next kernel. >> >> > >>> > >> >> > >>> > not really. >> >> > >>> > >> >> > >>> >> > (In other words, can or should we skip some part of ACPI-related init code >> >> > >>> >> > on crash dump kernel?) >> >> > >>> >> > >> >> > >>> >> >> >> > >>> >> I don't think so. And the change to the handling of ACPI reclaim >> >> > >>> >> regions only revealed the bug, not created it (given that other >> >> > >>> >> memblock_reserve regions may be affected as well) >> >> > >>> > >> >> > >>> > As whether we should honor such reserved regions over kexec'ing >> >> > >>> > depends on each one's specific nature, we will have to take care one-by-one. >> >> > >>> > As a matter of fact, no information about "reserved" memblocks is >> >> > >>> > exposed to user space (via proc/iomem). >> >> > >>> > >> >> > >>> >> >> > >>> That is why I suggested (somewhere in this thread?) to not expose them >> >> > >>> as 'System RAM'. Do you think that could solve this? >> >> > >> >> >> > >> Memblock-reserv'ing them is necessary to prevent their corruption and >> >> > >> marking them under another name in /proc/iomem would also be good in order >> >> > >> not to allocate them as part of crash kernel's memory. >> >> > >> >> >> > > >> >> > > I agree. However, this may not be entirely trivial, since iterating >> >> > > over the memblock_reserved table and creating iomem entries may result >> >> > > in collisions. >> >> > >> >> > I found a method (using the patch I shared earlier in this thread) to mark these >> >> > entries as 'ACPI reclaim memory' ranges rather than System RAM or >> >> > reserved regions. >> >> > >> >> > >> But I'm not still convinced that we should export them in useable- >> >> > >> memory-range to crash dump kernel. They will be accessed through >> >> > >> acpi_os_map_memory() and so won't be required to be part of system ram >> >> > >> (or memblocks), I guess. >> >> > > >> >> > > Agreed. They will be covered by the linear mapping in the boot kernel, >> >> > > and be mapped explicitly via ioremap_cache() in the kexec kernel, >> >> > > which is exactly what we want in this case. >> >> > >> >> > Now this is what is confusing me. I don't see the above happening. >> >> > >> >> > I see that the primary kernel boots up and adds the ACPI regions via: >> >> > acpi_os_ioremap >> >> > -> ioremap_cache >> >> > >> >> > But during the crashkernel boot, ''acpi_os_ioremap' calls >> >> > 'ioremap' for the ACPI Reclaim Memory regions and not the _cache >> >> > variant. >> > >> > It is natural if that region is out of memblocks. >> >> Thanks for the confirmation. This was my understanding as well. >> >> >> > And it fails while accessing the ACPI tables: >> >> > >> >> > [ 0.039205] ACPI: Core revision 20170728 >> >> > pud=000000002e7d0003, *pmd=000000002e7c0003, *pte=00e8000039710707 >> >> > [ 0.095098] Internal error: Oops: 96000021 [#1] SMP >> > >> > this (ESR = 0x96000021) means that Data Abort and Alignment fault happened. >> > As ioremap() makes the mapping as "Device memory", unaligned memory >> > access won't be allowed. >> > >> >> > [ 0.100022] Modules linked in: >> >> > [ 0.103102] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.14.0-rc6 #1 >> >> > [ 0.109432] task: ffff000008d05180 task.stack: ffff000008cc0000 >> >> > [ 0.115414] PC is at acpi_ns_lookup+0x25c/0x3c0 >> >> > [ 0.119987] LR is at acpi_ds_load1_begin_op+0xa4/0x294 >> >> > [ 0.125175] pc : [<ffff0000084a6764>] lr : [<ffff00000849b4f8>] >> >> > pstate: 60000045 >> >> > [ 0.132647] sp : ffff000008ccfb40 >> >> > [ 0.135989] x29: ffff000008ccfb40 x28: ffff000008a9f2a4 >> >> > [ 0.141354] x27: ffff0000088be820 x26: 0000000000000000 >> >> > [ 0.146718] x25: 000000000000001b x24: 0000000000000001 >> >> > [ 0.152083] x23: 0000000000000001 x22: ffff000009710027 >> >> > [ 0.157447] x21: ffff000008ccfc50 x20: 0000000000000001 >> >> > [ 0.162812] x19: 000000000000001b x18: 0000000000000005 >> >> > [ 0.168176] x17: 0000000000000000 x16: 0000000000000000 >> >> > [ 0.173541] x15: 0000000000000000 x14: 000000000000038e >> >> > [ 0.178905] x13: ffffffff00000000 x12: ffffffffffffffff >> >> > [ 0.184270] x11: 0000000000000006 x10: 00000000ffffff76 >> >> > [ 0.189634] x9 : 000000000000005f x8 : ffff8000126d0140 >> >> > [ 0.194998] x7 : 0000000000000000 x6 : ffff000008ccfc50 >> >> > [ 0.200362] x5 : ffff80000fe62c00 x4 : 0000000000000001 >> >> > [ 0.205727] x3 : ffff000008ccfbe0 x2 : ffff0000095e3980 >> >> > [ 0.211091] x1 : ffff000009710027 x0 : 0000000000000000 >> >> > [ 0.216456] Process swapper/0 (pid: 0, stack limit = 0xffff000008cc0000) >> >> > [ 0.223224] Call trace: >> >> > [ 0.225688] Exception stack(0xffff000008ccfa00 to 0xffff000008ccfb40) >> >> > [ 0.232194] fa00: 0000000000000000 ffff000009710027 >> >> > ffff0000095e3980 ffff000008ccfbe0 >> >> > [ 0.240106] fa20: 0000000000000001 ffff80000fe62c00 >> >> > ffff000008ccfc50 0000000000000000 >> >> > [ 0.248018] fa40: ffff8000126d0140 000000000000005f >> >> > 00000000ffffff76 0000000000000006 >> >> > [ 0.255931] fa60: ffffffffffffffff ffffffff00000000 >> >> > 000000000000038e 0000000000000000 >> >> > [ 0.263843] fa80: 0000000000000000 0000000000000000 >> >> > 0000000000000005 000000000000001b >> >> > [ 0.271754] faa0: 0000000000000001 ffff000008ccfc50 >> >> > ffff000009710027 0000000000000001 >> >> > [ 0.279667] fac0: 0000000000000001 000000000000001b >> >> > 0000000000000000 ffff0000088be820 >> >> > [ 0.287579] fae0: ffff000008a9f2a4 ffff000008ccfb40 >> >> > ffff00000849b4f8 ffff000008ccfb40 >> >> > [ 0.295491] fb00: ffff0000084a6764 0000000060000045 >> >> > ffff000008ccfb40 ffff000008260a18 >> >> > [ 0.303403] fb20: ffffffffffffffff ffff0000087f3fb0 >> >> > ffff000008ccfb40 ffff0000084a6764 >> >> > [ 0.311316] [<ffff0000084a6764>] acpi_ns_lookup+0x25c/0x3c0 >> >> > [ 0.316943] [<ffff00000849b4f8>] acpi_ds_load1_begin_op+0xa4/0x294 >> >> > [ 0.323186] [<ffff0000084ad4ac>] acpi_ps_build_named_op+0xc4/0x198 >> >> > [ 0.329428] [<ffff0000084ad6cc>] acpi_ps_create_op+0x14c/0x270 >> >> > [ 0.335319] [<ffff0000084acfa8>] acpi_ps_parse_loop+0x188/0x5c8 >> >> > [ 0.341298] [<ffff0000084ae048>] acpi_ps_parse_aml+0xb0/0x2b8 >> >> > [ 0.347101] [<ffff0000084a8e10>] acpi_ns_one_complete_parse+0x144/0x184 >> >> > [ 0.353783] [<ffff0000084a8e98>] acpi_ns_parse_table+0x48/0x68 >> >> > [ 0.359675] [<ffff0000084a82cc>] acpi_ns_load_table+0x4c/0xdc >> >> > [ 0.365479] [<ffff0000084b32f8>] acpi_tb_load_namespace+0xe4/0x264 >> >> > [ 0.371723] [<ffff000008baf9b4>] acpi_load_tables+0x48/0xc0 >> >> > [ 0.377350] [<ffff000008badc20>] acpi_early_init+0x9c/0xd0 >> >> > [ 0.382891] [<ffff000008b70d50>] start_kernel+0x3b4/0x43c >> >> > [ 0.388343] Code: b9008fb9 2a000318 36380054 32190318 (b94002c0) >> >> > [ 0.394500] ---[ end trace c46ed37f9651c58e ]--- >> >> > [ 0.399160] Kernel panic - not syncing: Fatal exception >> >> > [ 0.404437] Rebooting in 10 seconds. >> >> > >> >> > So, I think the linear mapping done by the primary kernel does not >> >> > make these accessible in the crash kernel directly. >> >> > >> >> > Any pointers? >> >> >> >> Can you get the code line number for acpi_ns_lookup+0x25c? >> > >> > So should we always avoid ioremap() in acpi_os_ioremap() entirely, or >> > modify acpi_ns_lookup() (or any acpi functions') to prevent unaligned >> > accesses? >> > (I didn't find out how unaligned accesses could happen there.) >> > >> >> Right. Like I captured somewhere in this thread (perhaps the first >> email on this subject), >> this is indeed an unaligned address access. >> >> Now, modifying acpi_os_ioremap() to not ioremap() and thus avoiding >> assigning this memory range >> as device memory doesn't seem a neat solution as it means we are not >> marking some thing with the right memory attribute and we can fall in >> similar/related issues later. >> >> Regarding the later suggestion, what I am seeing now is that the acpi >> table access functions are perhaps reused from the earlier x86 >> implementation, but on the arm64 (or even arm) arch we should not be >> allowing unaligned accesses which might cause UNDEFINED behaviour and >> resultant crash. >> >> So I can try going this approach and see if it works for me. >> >> However, I am still not very sure as to why the crashkernel ranges >> historically do not include the System RAM regions (which may include >> the ACPI regions as well). These regions are available for the kernel >> usage and perhaps should be exported to the crashkernel as well. >> >> I am not fully aware of the previous discussions on capp'ing the >> crashkernel memory being passed to the kdump kernel, but did we run >> into any issues while doing so? >> >> Also, even if I extend the kexec-tools to modify the >> linux,usable-memory-range and add the ACPI regions to it, the >> crashkernel fails to boot with the below message (I have added some >> logic to print the DTB on the crash kernel boot start): >> >> [ 0.000000] chosen { >> [ 0.000000] linux,usable-memory-range >> [ 0.000000] = < >> [ 0.000000] 0x00000000 >> [ 0.000000] 0x0e800000 >> [ 0.000000] 0x00000000 >> [ 0.000000] 0x20000000 >> [ 0.000000] 0x00000000 >> [ 0.000000] 0x396c0000 >> [ 0.000000] 0x00000000 >> [ 0.000000] 0x000a0000 >> [ 0.000000] 0x00000000 >> [ 0.000000] 0x39770000 >> [ 0.000000] 0x00000000 >> [ 0.000000] 0x00040000 >> [ 0.000000] 0x00000000 >> [ 0.000000] 0x398a0000 >> [ 0.000000] 0x00000000 >> [ 0.000000] 0x00020000 >> [ 0.000000] > >> [ 0.000000] ; >> >> [snip..] >> >> [ 0.000000] linux,usable-memory-range base e800000, size 20000000 >> [ 0.000000] - e800000 , 20000000 >> [ 0.000000] linux,usable-memory-range base 396c0000, size a0000 >> [ 0.000000] - 396c0000 , a0000 >> [ 0.000000] linux,usable-memory-range base 39770000, size 40000 >> [ 0.000000] - 39770000 , 40000 >> [ 0.000000] linux,usable-memory-range base 398a0000, size 20000 >> [ 0.000000] - 398a0000 , 20000 >> [ 0.000000] initrd not fully accessible via the linear mapping -- >> please check your bootloader ... >> [ 0.000000] ------------[ cut here ]------------ >> [ 0.000000] WARNING: CPU: 0 PID: 0 at arch/arm64/mm/init.c:597 >> arm64_memblock_init+0x210/0x484 >> [ 0.000000] Modules linked in: >> [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.14.0+ #7 >> [ 0.000000] task: ffff000008d05580 task.stack: ffff000008cc0000 >> [ 0.000000] PC is at arm64_memblock_init+0x210/0x484 >> [ 0.000000] LR is at arm64_memblock_init+0x210/0x484 >> [ 0.000000] pc : [<ffff000008b76984>] lr : [<ffff000008b76984>] >> pstate: 600000c5 >> [ 0.000000] sp : ffff000008ccfe80 >> [ 0.000000] x29: ffff000008ccfe80 x28: 000000000f370018 >> [ 0.000000] x27: 0000000011230000 x26: 00000000013b0000 >> [ 0.000000] x25: 000000000fe80000 x24: ffff000008cf3000 >> [ 0.000000] x23: ffff000008ec0000 x22: ffff000009680000 >> [ 0.000000] x21: ffff000008afa000 x20: ffff000008080000 >> [ 0.000000] x19: ffff000008afa000 x18: 000000000c283806 >> [ 0.000000] x17: 0000000000000000 x16: ffff000008d05580 >> [ 0.000000] x15: 000000002be00842 x14: 79206b6365686320 >> [ 0.000000] x13: 657361656c70202d x12: 2d20676e69707061 >> [ 0.000000] x11: 6d207261656e696c x10: 2065687420616976 >> [ 0.000000] x9 : 00000000000000f4 x8 : ffff000008517414 >> [ 0.000000] x7 : 746f6f622072756f x6 : 000000000000000d >> [ 0.000000] x5 : ffff000008c96360 x4 : 0000000000000001 >> [ 0.000000] x3 : 0000000000000000 x2 : 0000000000000000 >> [ 0.000000] x1 : 0000000000000000 x0 : 0000000000000056 >> [ 0.000000] Call trace: >> [ 0.000000] Exception stack(0xffff000008ccfd40 to 0xffff000008ccfe80) >> [ 0.000000] fd40: 0000000000000056 0000000000000000 >> 0000000000000000 0000000000000000 >> [ 0.000000] fd60: 0000000000000001 ffff000008c96360 >> 000000000000000d 746f6f622072756f >> [ 0.000000] fd80: ffff000008517414 00000000000000f4 >> 2065687420616976 6d207261656e696c >> [ 0.000000] fda0: 2d20676e69707061 657361656c70202d >> 79206b6365686320 000000002be00842 >> [ 0.000000] fdc0: ffff000008d05580 0000000000000000 >> 000000000c283806 ffff000008afa000 >> [ 0.000000] fde0: ffff000008080000 ffff000008afa000 >> ffff000009680000 ffff000008ec0000 >> [ 0.000000] fe00: ffff000008cf3000 000000000fe80000 >> 00000000013b0000 0000000011230000 >> [ 0.000000] fe20: 000000000f370018 ffff000008ccfe80 >> ffff000008b76984 ffff000008ccfe80 >> [ 0.000000] fe40: ffff000008b76984 00000000600000c5 >> ffff00000959b7a8 ffff000008ec0000 >> [ 0.000000] fe60: ffffffffffffffff 0000000000000005 >> ffff000008ccfe80 ffff000008b76984 >> [ 0.000000] [<ffff000008b76984>] arm64_memblock_init+0x210/0x484 >> [ 0.000000] [<ffff000008b7398c>] setup_arch+0x1b8/0x5f4 >> [ 0.000000] [<ffff000008b70a10>] start_kernel+0x74/0x43c >> [ 0.000000] random: get_random_bytes called from >> print_oops_end_marker+0x50/0x6c with crng_init=0 >> [ 0.000000] ---[ end trace 0000000000000000 ]--- >> [ 0.000000] Reserving 4KB of memory at 0x2e7f0000 for elfcorehdr >> [ 0.000000] cma: Failed to reserve 512 MiB >> [ 0.000000] Kernel panic - not syncing: ERROR: Failed to allocate >> 0x0000000000010000 bytes below 0x0000000000000000. >> [ 0.000000] >> [ 0.000000] CPU: 0 PID: 0 Comm: swapper Tainted: G W >> ------------ 4.14.0+ #7 >> [ 0.000000] Call trace: >> [ 0.000000] [<ffff000008088da8>] dump_backtrace+0x0/0x23c >> [ 0.000000] [<ffff000008089008>] show_stack+0x24/0x2c >> [ 0.000000] [<ffff0000087f647c>] dump_stack+0x84/0xa8 >> [ 0.000000] [<ffff0000080cfd44>] panic+0x138/0x2a0 >> [ 0.000000] [<ffff000008b95c88>] memblock_alloc_base+0x44/0x4c >> [ 0.000000] [<ffff000008b95cbc>] memblock_alloc+0x2c/0x38 >> [ 0.000000] [<ffff000008b772dc>] early_pgtable_alloc+0x20/0x74 >> [ 0.000000] [<ffff000008b7755c>] paging_init+0x28/0x544 >> [ 0.000000] [<ffff000008b73990>] setup_arch+0x1bc/0x5f4 >> [ 0.000000] [<ffff000008b70a10>] start_kernel+0x74/0x43c >> [ 0.000000] ---[ end Kernel panic - not syncing: ERROR: Failed to >> allocate 0x0000000000010000 bytes below 0x0000000000000000. >> [ 0.000000] >> >> I guess it is because of the 1G alignment requirement between the >> kernel image and the initrd and how we populate the holes between the >> kernel image, segments (including dtb) and the initrd from the >> kexec-tools. >> >> Akashi, any pointers on this will be helpful as well. > > Please show me: > * "Virtual kernel memory layout" in dmesg > * /proc/iomem > * debug messages from kexec-tools (kexec -d) So here are the changes which I have done so far in the kernel and kexec-tools to allow mapping ACPI reclaim regions as identifiable regions in '/proc/iomem' and to append them to the DTB property: linux,usable-memory-range: Linux patch: <https://github.com/bhupesh-sharma/linux/commit/88d2ff6a1c16f5aa107b567a9d9c60343e52f263>, and <https://github.com/bhupesh-sharma/linux/commit/23262febd29a6665d483a707a05f8869757b8848> kexec-tools patch: <https://github.com/bhupesh-sharma/kexec-tools/commit/3e3d7c50648b1195674d1b7667cbbfd8d899b650> Note that I am not very clear about the hole margins that the kexec-tools adds (so that the crashkernel's expectation that the kernel image and initrd lie within a 1G boundary), so I have not added my temporary changes to the github code - but any suggestions on how to correctly put them in place would be appreciated. And here are the rest of the inputs you asked for: (1) # dmesg | grep -A 15 -B 4 -i "Virtual kernel memory layout" [ 0.000000] Kernel command line: BOOT_IMAGE=/vmlinuz-4.15.0-rc2-next-20171207+ root=/dev/mapper/rhelaa_huawei--t2280--01-root ro earlycon=pl011,mmio,0x602B0000 efi=debug memblock_debug=1 pcie_aspm=off crashkernel=512M rd.lvm.lv=rhelaa_huawei-t2280-01/root rd.lvm.lv=rhelaa_huawei-t2280-01/swap acpi=force console=ttyAMA0,115200 [ 0.000000] PCIe ASPM is disabled [ 0.000000] software IO TLB [mem 0x35620000-0x39620000] (64MB) mapped at [ (ptrval)- (ptrval)] [ 0.000000] Memory: 267251520K/268169216K available (7868K kernel code, 1764K rwdata, 3328K rodata, 1280K init, 7727K bss, 917696K reserved, 0K cma-reserved) [ 0.000000] Virtual kernel memory layout: [ 0.000000] modules : 0xffff000000000000 - 0xffff000008000000 ( 128 MB) [ 0.000000] vmalloc : 0xffff000008000000 - 0xffff7bdfffff0000 (126847 GB) [ 0.000000] .text : 0x (ptrval) - 0x (ptrval) ( 7872 KB) [ 0.000000] .rodata : 0x (ptrval) - 0x (ptrval) ( 3392 KB) [ 0.000000] .init : 0x (ptrval) - 0x (ptrval) ( 1280 KB) [ 0.000000] .data : 0x (ptrval) - 0x (ptrval) ( 1765 KB) [ 0.000000] .bss : 0x (ptrval) - 0x (ptrval) ( 7728 KB) [ 0.000000] fixed : 0xffff7fdffe7b0000 - 0xffff7fdffec00000 ( 4416 KB) [ 0.000000] PCI I/O : 0xffff7fdffee00000 - 0xffff7fdfffe00000 ( 16 MB) [ 0.000000] vmemmap : 0xffff7fe000000000 - 0xffff800000000000 ( 128 GB maximum) [ 0.000000] 0xffff7fe000000000 - 0xffff7fe02bff0000 ( 703 MB actual) [ 0.000000] memory : 0xffff800000000000 - 0xffff80affc000000 (720832 MB) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=64, Nodes=4 [ 0.000000] ftrace: allocating 29903 entries in 8 pages [ 0.000000] Hierarchical RCU implementation. (2) # cat /proc/iomem 00000000-3961ffff : System RAM 00080000-00b7ffff : Kernel code 00cc0000-0166ffff : Kernel data 0e800000-2e7fffff : Crash kernel 39620000-396bffff : reserved 396c0000-3975ffff : ACPI reclaim region 39760000-3976ffff : reserved 39770000-397affff : ACPI reclaim region 397b0000-3989ffff : reserved 398a0000-398bffff : ACPI reclaim region 398c0000-39d3ffff : reserved 39d40000-3ed2ffff : System RAM 3ed30000-3ed5ffff : reserved 3ed60000-3fbfffff : System RAM 40500000-40500fff : sbsa-gwdt.0 40500000-40500fff : sbsa-gwdt.0 40600000-40600fff : sbsa-gwdt.0 40600000-40600fff : sbsa-gwdt.0 60080000-6008ffff : HISI0152:00 602b0000-602b0fff : ARMH0011:00 602b0000-602b0fff : ARMH0011:00 603c0000-603cffff : HISI0141:00 603c0000-603cffff : HISI0141:00 a0080000-a008ffff : HISI0152:05 a0080000-a008ffff : HISI0152:04 a0080000-a008ffff : HISI0152:03 a00a0000-a00affff : pnp 00:01 a01b0000-a01b0fff : HISI0191:00 a2000000-a200ffff : HISI0162:01 a2000000-a200ffff : HISI0162:01 a3000000-a300ffff : HISI0162:02 a3000000-a300ffff : HISI0162:02 a7020000-a702ffff : PNP0D20:00 a7020000-a702ffff : PNP0D20:00 b0000000-be7fffff : PCI Bus 0002:e8 b0000000-b06fffff : PCI Bus 0002:e9 b0000000-b00fffff : 0002:e9:00.0 b0000000-b00fffff : igb b0100000-b01fffff : 0002:e9:00.0 b0200000-b02fffff : 0002:e9:00.1 b0200000-b02fffff : igb b0300000-b03fffff : 0002:e9:00.1 b0400000-b04fffff : 0002:e9:00.2 b0400000-b04fffff : igb b0500000-b05fffff : 0002:e9:00.3 b0500000-b05fffff : igb b0600000-b0603fff : 0002:e9:00.0 b0600000-b0603fff : igb b0604000-b0607fff : 0002:e9:00.1 b0604000-b0607fff : igb b0608000-b060bfff : 0002:e9:00.2 b0608000-b060bfff : igb b060c000-b060ffff : 0002:e9:00.3 b060c000-b060ffff : igb b0700000-b0afffff : PCI Bus 0002:e9 b0700000-b077ffff : 0002:e9:00.0 b0780000-b07fffff : 0002:e9:00.0 b0800000-b087ffff : 0002:e9:00.1 b0880000-b08fffff : 0002:e9:00.1 b0900000-b097ffff : 0002:e9:00.2 b0980000-b09fffff : 0002:e9:00.2 b0a00000-b0a7ffff : 0002:e9:00.3 b0a80000-b0afffff : 0002:e9:00.3 b0b00000-b0b0ffff : 0002:e8:00.0 be800000-beffffff : PCI ECAM c0080000-c008ffff : HISI0152:02 c0080000-c008ffff : HISI0152:01 c3000000-c300ffff : HISI0162:00 c3000000-c300ffff : HISI0162:00 c5000000-c588ffff : HISI00B2:00 c5000000-c588ffff : HISI00B2:00 c7000000-c705ffff : HISI00B2:00 c7000000-c705ffff : HISI00B2:00 d0080000-d008ffff : HISI0152:07 d0080000-d008ffff : HISI0152:06 d0100000-d010ffff : HISI02A1:00 d0100000-d010ffff : HISI02A1:00 400000000-4007fffff : PCI ECAM 440000000-4ffffffff : PCI Bus 0005:00 440000000-4407fffff : PCI Bus 0005:01 440000000-4403fffff : 0005:01:00.0 440400000-4407fffff : 0005:01:00.1 440800000-4421fffff : PCI Bus 0005:01 440800000-440bfffff : 0005:01:00.0 440800000-440bfffff : ixgbe 440c00000-440ffffff : 0005:01:00.1 440c00000-440ffffff : ixgbe 441000000-4413fffff : 0005:01:00.0 441400000-4417fffff : 0005:01:00.0 441800000-441bfffff : 0005:01:00.1 441c00000-441ffffff : 0005:01:00.1 442000000-442003fff : 0005:01:00.0 442000000-442003fff : ixgbe 442004000-442007fff : 0005:01:00.1 442004000-442007fff : ixgbe 442200000-442200fff : 0005:00:00.0 700090000-70009ffff : pnp 00:03 7000a0000-7000affff : pnp 00:05 7000b0000-7000bffff : pnp 00:06 700200000-70020ffff : pnp 00:04 740800000-740ffffff : PCI ECAM 741000000-77ffeffff : PCI Bus 0006:08 741000000-74100ffff : 0006:08:00.0 784000000-7847fffff : PCI ECAM 784800000-7bffeffff : PCI Bus 0007:40 784800000-7849fffff : PCI Bus 0007:41 784800000-7849fffff : 0007:41:00.0 786000000-787ffffff : PCI Bus 0007:41 786000000-787ffffff : 0007:41:00.0 7c4800000-7c4ffffff : PCI ECAM 7c5000000-7fffeffff : PCI Bus 0004:48 7c5000000-7c51fffff : PCI Bus 0004:49 7c5000000-7c50fffff : 0004:49:00.0 7c5100000-7c513ffff : 0004:49:00.0 7c5100000-7c513ffff : mpt3sas 7c5140000-7c514ffff : 0004:49:00.0 7c5140000-7c514ffff : mpt3sas 7c5200000-7c520ffff : 0004:48:00.0 1040000000-1ffbffffff : System RAM 2000000000-2ffbffffff : System RAM 9000000000-9ffbffffff : System RAM a000000000-affbffffff : System RAM 400c0080000-400c008ffff : HISI0152:08 600a00a0000-600a00affff : pnp 00:08 64001000000-64001ffffff : PCI ECAM 65040000000-650ffffffff : PCI Bus 000a:10 65040000000-6504000ffff : 000a:10:00.0 700a0090000-700a009ffff : pnp 00:0a 700a0200000-700a020ffff : pnp 00:0b 74002000000-74002ffffff : PCI ECAM 75040000000-750ffffffff : PCI Bus 000c:20 75040000000-7504000ffff : 000c:20:00.0 78003000000-78003ffffff : PCI ECAM 79040000000-790ffffffff : PCI Bus 000d:30 79040000000-79040000fff : 000d:30:00.0 (3) # kexec -p /boot/vmlinuz-`uname -r` --initrd=/boot/initramfs-`uname -r`.img --reuse-cmdline -d arch_process_options:149: command_line: root=/dev/mapper/rhelaa_huawei--t2280--01-root ro earlycon=pl011,mmio,0x602B0000 efi=debug memblock_debug=1 pcie_aspm=off rd.lvm.lv=rhelaa_huawei-t2280-01/root rd.lvm.lv=rhelaa_huawei-t2280-01/swap acpi=force console=ttyAMA0,115200 arch_process_options:151: initrd: /boot/initramfs-4.15.0-rc2-next-20171207+.img arch_process_options:152: dtb: (null) Try gzip decompression. kernel: 0xffff968d0010 kernel_size: 0xdf9200 get_memory_ranges_iomem_cb: 0000000000000000 - 000000003961ffff : System RAM get_memory_ranges_iomem_cb: 0000000039620000 - 00000000396bffff : reserved get_memory_ranges_iomem_cb: 0000000039760000 - 000000003976ffff : reserved get_memory_ranges_iomem_cb: 00000000397b0000 - 000000003989ffff : reserved get_memory_ranges_iomem_cb: 00000000398c0000 - 0000000039d3ffff : reserved get_memory_ranges_iomem_cb: 0000000039d40000 - 000000003ed2ffff : System RAM get_memory_ranges_iomem_cb: 000000003ed30000 - 000000003ed5ffff : reserved get_memory_ranges_iomem_cb: 000000003ed60000 - 000000003fbfffff : System RAM get_memory_ranges_iomem_cb: 0000001040000000 - 0000001ffbffffff : System RAM get_memory_ranges_iomem_cb: 0000002000000000 - 0000002ffbffffff : System RAM get_memory_ranges_iomem_cb: 0000009000000000 - 0000009ffbffffff : System RAM get_memory_ranges_iomem_cb: 000000a000000000 - 000000affbffffff : System RAM elf_arm64_probe: Not an ELF executable. image_arm64_load: kernel_segment: 000000000e800000 image_arm64_load: text_offset: 0000000000080000 image_arm64_load: image_size: 00000000015f0000 image_arm64_load: phys_offset: 0000000000000000 image_arm64_load: vp_offset: ffffffffffffffff image_arm64_load: PE format: yes Reserved memory range 000000000e800000-000000002e7fffff (0) Coredump memory ranges 0000000000000000-000000000e7fffff (0) 000000002e800000-000000003961ffff (0) 0000000039d40000-000000003ed2ffff (0) 000000003ed60000-000000003fbfffff (0) 0000001040000000-0000001ffbffffff (0) 0000002000000000-0000002ffbffffff (0) 0000009000000000-0000009ffbffffff (0) 000000a000000000-000000affbffffff (0) ACPI reclaim memory ranges 00000000396c0000-000000003975ffff (0) 0000000039770000-00000000397affff (0) 00000000398a0000-00000000398bffff (0) crashkernel memory ranges 000000000e800000-000000002e7fffff (0) 00000000396c0000-000000003975ffff (0) 0000000039770000-00000000397affff (0) 00000000398a0000-00000000398bffff (0) kernel symbol _text vaddr = ffff000008080000 load_crashdump_segments: page_offset: ffff800000000000 get_crash_notes_per_cpu: crash_notes addr = 1ff7cf3200, size = 424 Elf header: p_type = 4, p_offset = 0x1ff7cf3200 p_paddr = 0x1ff7cf3200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 1ff7d23200, size = 424 Elf header: p_type = 4, p_offset = 0x1ff7d23200 p_paddr = 0x1ff7d23200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 1ff7d53200, size = 424 Elf header: p_type = 4, p_offset = 0x1ff7d53200 p_paddr = 0x1ff7d53200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 1ff7d83200, size = 424 Elf header: p_type = 4, p_offset = 0x1ff7d83200 p_paddr = 0x1ff7d83200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 1ff7db3200, size = 424 Elf header: p_type = 4, p_offset = 0x1ff7db3200 p_paddr = 0x1ff7db3200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 1ff7de3200, size = 424 Elf header: p_type = 4, p_offset = 0x1ff7de3200 p_paddr = 0x1ff7de3200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 1ff7e13200, size = 424 Elf header: p_type = 4, p_offset = 0x1ff7e13200 p_paddr = 0x1ff7e13200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 1ff7e43200, size = 424 Elf header: p_type = 4, p_offset = 0x1ff7e43200 p_paddr = 0x1ff7e43200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 1ff7e73200, size = 424 Elf header: p_type = 4, p_offset = 0x1ff7e73200 p_paddr = 0x1ff7e73200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 1ff7ea3200, size = 424 Elf header: p_type = 4, p_offset = 0x1ff7ea3200 p_paddr = 0x1ff7ea3200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 1ff7ed3200, size = 424 Elf header: p_type = 4, p_offset = 0x1ff7ed3200 p_paddr = 0x1ff7ed3200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 1ff7f03200, size = 424 Elf header: p_type = 4, p_offset = 0x1ff7f03200 p_paddr = 0x1ff7f03200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 1ff7f33200, size = 424 Elf header: p_type = 4, p_offset = 0x1ff7f33200 p_paddr = 0x1ff7f33200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 1ff7f63200, size = 424 Elf header: p_type = 4, p_offset = 0x1ff7f63200 p_paddr = 0x1ff7f63200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 1ff7f93200, size = 424 Elf header: p_type = 4, p_offset = 0x1ff7f93200 p_paddr = 0x1ff7f93200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 1ff7fc3200, size = 424 Elf header: p_type = 4, p_offset = 0x1ff7fc3200 p_paddr = 0x1ff7fc3200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 2ff7d13200, size = 424 Elf header: p_type = 4, p_offset = 0x2ff7d13200 p_paddr = 0x2ff7d13200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 2ff7d43200, size = 424 Elf header: p_type = 4, p_offset = 0x2ff7d43200 p_paddr = 0x2ff7d43200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 2ff7d73200, size = 424 Elf header: p_type = 4, p_offset = 0x2ff7d73200 p_paddr = 0x2ff7d73200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 2ff7da3200, size = 424 Elf header: p_type = 4, p_offset = 0x2ff7da3200 p_paddr = 0x2ff7da3200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 2ff7dd3200, size = 424 Elf header: p_type = 4, p_offset = 0x2ff7dd3200 p_paddr = 0x2ff7dd3200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 2ff7e03200, size = 424 Elf header: p_type = 4, p_offset = 0x2ff7e03200 p_paddr = 0x2ff7e03200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 2ff7e33200, size = 424 Elf header: p_type = 4, p_offset = 0x2ff7e33200 p_paddr = 0x2ff7e33200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 2ff7e63200, size = 424 Elf header: p_type = 4, p_offset = 0x2ff7e63200 p_paddr = 0x2ff7e63200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 2ff7e93200, size = 424 Elf header: p_type = 4, p_offset = 0x2ff7e93200 p_paddr = 0x2ff7e93200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 2ff7ec3200, size = 424 Elf header: p_type = 4, p_offset = 0x2ff7ec3200 p_paddr = 0x2ff7ec3200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 2ff7ef3200, size = 424 Elf header: p_type = 4, p_offset = 0x2ff7ef3200 p_paddr = 0x2ff7ef3200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 2ff7f23200, size = 424 Elf header: p_type = 4, p_offset = 0x2ff7f23200 p_paddr = 0x2ff7f23200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 2ff7f53200, size = 424 Elf header: p_type = 4, p_offset = 0x2ff7f53200 p_paddr = 0x2ff7f53200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 2ff7f83200, size = 424 Elf header: p_type = 4, p_offset = 0x2ff7f83200 p_paddr = 0x2ff7f83200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 2ff7fb3200, size = 424 Elf header: p_type = 4, p_offset = 0x2ff7fb3200 p_paddr = 0x2ff7fb3200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 2ff7fe3200, size = 424 Elf header: p_type = 4, p_offset = 0x2ff7fe3200 p_paddr = 0x2ff7fe3200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 9ff7d03200, size = 424 Elf header: p_type = 4, p_offset = 0x9ff7d03200 p_paddr = 0x9ff7d03200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 9ff7d33200, size = 424 Elf header: p_type = 4, p_offset = 0x9ff7d33200 p_paddr = 0x9ff7d33200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 9ff7d63200, size = 424 Elf header: p_type = 4, p_offset = 0x9ff7d63200 p_paddr = 0x9ff7d63200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 9ff7d93200, size = 424 Elf header: p_type = 4, p_offset = 0x9ff7d93200 p_paddr = 0x9ff7d93200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 9ff7dc3200, size = 424 Elf header: p_type = 4, p_offset = 0x9ff7dc3200 p_paddr = 0x9ff7dc3200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 9ff7df3200, size = 424 Elf header: p_type = 4, p_offset = 0x9ff7df3200 p_paddr = 0x9ff7df3200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 9ff7e23200, size = 424 Elf header: p_type = 4, p_offset = 0x9ff7e23200 p_paddr = 0x9ff7e23200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 9ff7e53200, size = 424 Elf header: p_type = 4, p_offset = 0x9ff7e53200 p_paddr = 0x9ff7e53200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 9ff7e83200, size = 424 Elf header: p_type = 4, p_offset = 0x9ff7e83200 p_paddr = 0x9ff7e83200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 9ff7eb3200, size = 424 Elf header: p_type = 4, p_offset = 0x9ff7eb3200 p_paddr = 0x9ff7eb3200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 9ff7ee3200, size = 424 Elf header: p_type = 4, p_offset = 0x9ff7ee3200 p_paddr = 0x9ff7ee3200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 9ff7f13200, size = 424 Elf header: p_type = 4, p_offset = 0x9ff7f13200 p_paddr = 0x9ff7f13200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 9ff7f43200, size = 424 Elf header: p_type = 4, p_offset = 0x9ff7f43200 p_paddr = 0x9ff7f43200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 9ff7f73200, size = 424 Elf header: p_type = 4, p_offset = 0x9ff7f73200 p_paddr = 0x9ff7f73200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 9ff7fa3200, size = 424 Elf header: p_type = 4, p_offset = 0x9ff7fa3200 p_paddr = 0x9ff7fa3200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 9ff7fd3200, size = 424 Elf header: p_type = 4, p_offset = 0x9ff7fd3200 p_paddr = 0x9ff7fd3200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = aff7883200, size = 424 Elf header: p_type = 4, p_offset = 0xaff7883200 p_paddr = 0xaff7883200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = aff78b3200, size = 424 Elf header: p_type = 4, p_offset = 0xaff78b3200 p_paddr = 0xaff78b3200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = aff78e3200, size = 424 Elf header: p_type = 4, p_offset = 0xaff78e3200 p_paddr = 0xaff78e3200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = aff7913200, size = 424 Elf header: p_type = 4, p_offset = 0xaff7913200 p_paddr = 0xaff7913200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = aff7943200, size = 424 Elf header: p_type = 4, p_offset = 0xaff7943200 p_paddr = 0xaff7943200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = aff7973200, size = 424 Elf header: p_type = 4, p_offset = 0xaff7973200 p_paddr = 0xaff7973200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = aff79a3200, size = 424 Elf header: p_type = 4, p_offset = 0xaff79a3200 p_paddr = 0xaff79a3200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = aff79d3200, size = 424 Elf header: p_type = 4, p_offset = 0xaff79d3200 p_paddr = 0xaff79d3200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = aff7a03200, size = 424 Elf header: p_type = 4, p_offset = 0xaff7a03200 p_paddr = 0xaff7a03200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = aff7a33200, size = 424 Elf header: p_type = 4, p_offset = 0xaff7a33200 p_paddr = 0xaff7a33200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = aff7a63200, size = 424 Elf header: p_type = 4, p_offset = 0xaff7a63200 p_paddr = 0xaff7a63200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = aff7a93200, size = 424 Elf header: p_type = 4, p_offset = 0xaff7a93200 p_paddr = 0xaff7a93200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = aff7ac3200, size = 424 Elf header: p_type = 4, p_offset = 0xaff7ac3200 p_paddr = 0xaff7ac3200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = aff7af3200, size = 424 Elf header: p_type = 4, p_offset = 0xaff7af3200 p_paddr = 0xaff7af3200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = aff7b23200, size = 424 Elf header: p_type = 4, p_offset = 0xaff7b23200 p_paddr = 0xaff7b23200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = aff7b53200, size = 424 Elf header: p_type = 4, p_offset = 0xaff7b53200 p_paddr = 0xaff7b53200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 vmcoreinfo header: p_type = 4, p_offset = 0x9fc4720000 p_paddr = 0x9fc4720000 p_vaddr = 0x0 p_filesz = 0x10024 p_memsz = 0x10024 Kernel text Elf header: p_type = 1, p_offset = 0x80000 p_paddr = 0x80000 p_vaddr = 0xffff000008080000 p_filesz = 0x15f0000 p_memsz = 0x15f0000 Elf header: p_type = 1, p_offset = 0x0 p_paddr = 0x0 p_vaddr = 0xffff800000000000 p_filesz = 0xe800000 p_memsz = 0xe800000 Elf header: p_type = 1, p_offset = 0x2e800000 p_paddr = 0x2e800000 p_vaddr = 0xffff80002e800000 p_filesz = 0xae20000 p_memsz = 0xae20000 Elf header: p_type = 1, p_offset = 0x39d40000 p_paddr = 0x39d40000 p_vaddr = 0xffff800039d40000 p_filesz = 0x4ff0000 p_memsz = 0x4ff0000 Elf header: p_type = 1, p_offset = 0x3ed60000 p_paddr = 0x3ed60000 p_vaddr = 0xffff80003ed60000 p_filesz = 0xea0000 p_memsz = 0xea0000 Elf header: p_type = 1, p_offset = 0x1040000000 p_paddr = 0x1040000000 p_vaddr = 0xffff801040000000 p_filesz = 0xfbc000000 p_memsz = 0xfbc000000 Elf header: p_type = 1, p_offset = 0x2000000000 p_paddr = 0x2000000000 p_vaddr = 0xffff802000000000 p_filesz = 0xffc000000 p_memsz = 0xffc000000 Elf header: p_type = 1, p_offset = 0x9000000000 p_paddr = 0x9000000000 p_vaddr = 0xffff809000000000 p_filesz = 0xffc000000 p_memsz = 0xffc000000 Elf header: p_type = 1, p_offset = 0xa000000000 p_paddr = 0xa000000000 p_vaddr = 0xffff80a000000000 p_filesz = 0xffc000000 p_memsz = 0xffc000000 get_crash_notes_per_cpu: crash_notes addr = 1ff7cf3200, size = 424 Elf header: p_type = 4, p_offset = 0x1ff7cf3200 p_paddr = 0x1ff7cf3200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 1ff7d23200, size = 424 Elf header: p_type = 4, p_offset = 0x1ff7d23200 p_paddr = 0x1ff7d23200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 1ff7d53200, size = 424 Elf header: p_type = 4, p_offset = 0x1ff7d53200 p_paddr = 0x1ff7d53200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 1ff7d83200, size = 424 Elf header: p_type = 4, p_offset = 0x1ff7d83200 p_paddr = 0x1ff7d83200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 1ff7db3200, size = 424 Elf header: p_type = 4, p_offset = 0x1ff7db3200 p_paddr = 0x1ff7db3200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 1ff7de3200, size = 424 Elf header: p_type = 4, p_offset = 0x1ff7de3200 p_paddr = 0x1ff7de3200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 1ff7e13200, size = 424 Elf header: p_type = 4, p_offset = 0x1ff7e13200 p_paddr = 0x1ff7e13200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 1ff7e43200, size = 424 Elf header: p_type = 4, p_offset = 0x1ff7e43200 p_paddr = 0x1ff7e43200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 1ff7e73200, size = 424 Elf header: p_type = 4, p_offset = 0x1ff7e73200 p_paddr = 0x1ff7e73200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 1ff7ea3200, size = 424 Elf header: p_type = 4, p_offset = 0x1ff7ea3200 p_paddr = 0x1ff7ea3200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 1ff7ed3200, size = 424 Elf header: p_type = 4, p_offset = 0x1ff7ed3200 p_paddr = 0x1ff7ed3200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 1ff7f03200, size = 424 Elf header: p_type = 4, p_offset = 0x1ff7f03200 p_paddr = 0x1ff7f03200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 1ff7f33200, size = 424 Elf header: p_type = 4, p_offset = 0x1ff7f33200 p_paddr = 0x1ff7f33200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 1ff7f63200, size = 424 Elf header: p_type = 4, p_offset = 0x1ff7f63200 p_paddr = 0x1ff7f63200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 1ff7f93200, size = 424 Elf header: p_type = 4, p_offset = 0x1ff7f93200 p_paddr = 0x1ff7f93200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 1ff7fc3200, size = 424 Elf header: p_type = 4, p_offset = 0x1ff7fc3200 p_paddr = 0x1ff7fc3200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 2ff7d13200, size = 424 Elf header: p_type = 4, p_offset = 0x2ff7d13200 p_paddr = 0x2ff7d13200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 2ff7d43200, size = 424 Elf header: p_type = 4, p_offset = 0x2ff7d43200 p_paddr = 0x2ff7d43200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 2ff7d73200, size = 424 Elf header: p_type = 4, p_offset = 0x2ff7d73200 p_paddr = 0x2ff7d73200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 2ff7da3200, size = 424 Elf header: p_type = 4, p_offset = 0x2ff7da3200 p_paddr = 0x2ff7da3200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 2ff7dd3200, size = 424 Elf header: p_type = 4, p_offset = 0x2ff7dd3200 p_paddr = 0x2ff7dd3200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 2ff7e03200, size = 424 Elf header: p_type = 4, p_offset = 0x2ff7e03200 p_paddr = 0x2ff7e03200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 2ff7e33200, size = 424 Elf header: p_type = 4, p_offset = 0x2ff7e33200 p_paddr = 0x2ff7e33200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 2ff7e63200, size = 424 Elf header: p_type = 4, p_offset = 0x2ff7e63200 p_paddr = 0x2ff7e63200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 2ff7e93200, size = 424 Elf header: p_type = 4, p_offset = 0x2ff7e93200 p_paddr = 0x2ff7e93200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 2ff7ec3200, size = 424 Elf header: p_type = 4, p_offset = 0x2ff7ec3200 p_paddr = 0x2ff7ec3200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 2ff7ef3200, size = 424 Elf header: p_type = 4, p_offset = 0x2ff7ef3200 p_paddr = 0x2ff7ef3200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 2ff7f23200, size = 424 Elf header: p_type = 4, p_offset = 0x2ff7f23200 p_paddr = 0x2ff7f23200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 2ff7f53200, size = 424 Elf header: p_type = 4, p_offset = 0x2ff7f53200 p_paddr = 0x2ff7f53200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 2ff7f83200, size = 424 Elf header: p_type = 4, p_offset = 0x2ff7f83200 p_paddr = 0x2ff7f83200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 2ff7fb3200, size = 424 Elf header: p_type = 4, p_offset = 0x2ff7fb3200 p_paddr = 0x2ff7fb3200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 2ff7fe3200, size = 424 Elf header: p_type = 4, p_offset = 0x2ff7fe3200 p_paddr = 0x2ff7fe3200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 9ff7d03200, size = 424 Elf header: p_type = 4, p_offset = 0x9ff7d03200 p_paddr = 0x9ff7d03200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 9ff7d33200, size = 424 Elf header: p_type = 4, p_offset = 0x9ff7d33200 p_paddr = 0x9ff7d33200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 9ff7d63200, size = 424 Elf header: p_type = 4, p_offset = 0x9ff7d63200 p_paddr = 0x9ff7d63200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 9ff7d93200, size = 424 Elf header: p_type = 4, p_offset = 0x9ff7d93200 p_paddr = 0x9ff7d93200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 9ff7dc3200, size = 424 Elf header: p_type = 4, p_offset = 0x9ff7dc3200 p_paddr = 0x9ff7dc3200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 9ff7df3200, size = 424 Elf header: p_type = 4, p_offset = 0x9ff7df3200 p_paddr = 0x9ff7df3200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 9ff7e23200, size = 424 Elf header: p_type = 4, p_offset = 0x9ff7e23200 p_paddr = 0x9ff7e23200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 9ff7e53200, size = 424 Elf header: p_type = 4, p_offset = 0x9ff7e53200 p_paddr = 0x9ff7e53200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 9ff7e83200, size = 424 Elf header: p_type = 4, p_offset = 0x9ff7e83200 p_paddr = 0x9ff7e83200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 9ff7eb3200, size = 424 Elf header: p_type = 4, p_offset = 0x9ff7eb3200 p_paddr = 0x9ff7eb3200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 9ff7ee3200, size = 424 Elf header: p_type = 4, p_offset = 0x9ff7ee3200 p_paddr = 0x9ff7ee3200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 9ff7f13200, size = 424 Elf header: p_type = 4, p_offset = 0x9ff7f13200 p_paddr = 0x9ff7f13200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 9ff7f43200, size = 424 Elf header: p_type = 4, p_offset = 0x9ff7f43200 p_paddr = 0x9ff7f43200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 9ff7f73200, size = 424 Elf header: p_type = 4, p_offset = 0x9ff7f73200 p_paddr = 0x9ff7f73200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 9ff7fa3200, size = 424 Elf header: p_type = 4, p_offset = 0x9ff7fa3200 p_paddr = 0x9ff7fa3200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = 9ff7fd3200, size = 424 Elf header: p_type = 4, p_offset = 0x9ff7fd3200 p_paddr = 0x9ff7fd3200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = aff7883200, size = 424 Elf header: p_type = 4, p_offset = 0xaff7883200 p_paddr = 0xaff7883200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = aff78b3200, size = 424 Elf header: p_type = 4, p_offset = 0xaff78b3200 p_paddr = 0xaff78b3200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = aff78e3200, size = 424 Elf header: p_type = 4, p_offset = 0xaff78e3200 p_paddr = 0xaff78e3200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = aff7913200, size = 424 Elf header: p_type = 4, p_offset = 0xaff7913200 p_paddr = 0xaff7913200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = aff7943200, size = 424 Elf header: p_type = 4, p_offset = 0xaff7943200 p_paddr = 0xaff7943200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = aff7973200, size = 424 Elf header: p_type = 4, p_offset = 0xaff7973200 p_paddr = 0xaff7973200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = aff79a3200, size = 424 Elf header: p_type = 4, p_offset = 0xaff79a3200 p_paddr = 0xaff79a3200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = aff79d3200, size = 424 Elf header: p_type = 4, p_offset = 0xaff79d3200 p_paddr = 0xaff79d3200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = aff7a03200, size = 424 Elf header: p_type = 4, p_offset = 0xaff7a03200 p_paddr = 0xaff7a03200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = aff7a33200, size = 424 Elf header: p_type = 4, p_offset = 0xaff7a33200 p_paddr = 0xaff7a33200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = aff7a63200, size = 424 Elf header: p_type = 4, p_offset = 0xaff7a63200 p_paddr = 0xaff7a63200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = aff7a93200, size = 424 Elf header: p_type = 4, p_offset = 0xaff7a93200 p_paddr = 0xaff7a93200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = aff7ac3200, size = 424 Elf header: p_type = 4, p_offset = 0xaff7ac3200 p_paddr = 0xaff7ac3200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = aff7af3200, size = 424 Elf header: p_type = 4, p_offset = 0xaff7af3200 p_paddr = 0xaff7af3200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = aff7b23200, size = 424 Elf header: p_type = 4, p_offset = 0xaff7b23200 p_paddr = 0xaff7b23200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 get_crash_notes_per_cpu: crash_notes addr = aff7b53200, size = 424 Elf header: p_type = 4, p_offset = 0xaff7b53200 p_paddr = 0xaff7b53200 p_vaddr = 0x0 p_filesz = 0x1a8 p_memsz = 0x1a8 vmcoreinfo header: p_type = 4, p_offset = 0x9fc4720000 p_paddr = 0x9fc4720000 p_vaddr = 0x0 p_filesz = 0x10024 p_memsz = 0x10024 Kernel text Elf header: p_type = 1, p_offset = 0x80000 p_paddr = 0x80000 p_vaddr = 0xffff000008080000 p_filesz = 0x15f0000 p_memsz = 0x15f0000 Elf header: p_type = 1, p_offset = 0x396c0000 p_paddr = 0x396c0000 p_vaddr = 0xffff8000396c0000 p_filesz = 0xa0000 p_memsz = 0xa0000 Elf header: p_type = 1, p_offset = 0x39770000 p_paddr = 0x39770000 p_vaddr = 0xffff800039770000 p_filesz = 0x40000 p_memsz = 0x40000 Elf header: p_type = 1, p_offset = 0x398a0000 p_paddr = 0x398a0000 p_vaddr = 0xffff8000398a0000 p_filesz = 0x20000 p_memsz = 0x20000 load_crashdump_segments: elfcorehdr 0x2e7f0000-0x2e7f0fff read_1st_dtb: found /sys/firmware/fdt get_cells_size: #address-cells:2 #size-cells:2 cells_size_fitted: 2e7f0000-2e7f0fff cells_size_fitted: e800000-2e7fffff cells_size_fitted: 396c0000-3975ffff cells_size_fitted: 39770000-397affff cells_size_fitted: 398a0000-398bffff / { #size-cells = <0x00000002>; #address-cells = <0x00000002>; chosen { linux,usable-memory-range = <0x00000000 0x0e800000 0x00000000 0x20000000 0x00000000 0x396c0000 0x00000000 0x000a0000 0x00000000 0x39770000 0x00000000 0x00040000 0x00000000 0x398a0000 0x00000000 0x00020000>; linux,elfcorehdr = <0x00000000 0x2e7f0000 0x00000000 0x00001000>; linux,uefi-mmap-desc-ver = <0x00000001>; linux,uefi-mmap-desc-size = <0x00000030>; linux,uefi-mmap-size = <0x00000e40>; linux,uefi-mmap-start = <0x00000000 0x30288018>; linux,uefi-system-table = <0x00000000 0x3ed50018>; bootargs = "root=/dev/mapper/rhelaa_huawei--t2280--01-root ro earlycon=pl011,mmio,0x602B0000 efi=debug memblock_debug=1 pcie_aspm=off rd.lvm.lv=rhelaa_huawei-t2280-01/root rd.lvm.lv=rhelaa_huawei-t2280-01/swap acpi=force console=ttyAMA0,115200"; linux,initrd-end = <0x00000000 0x2fbff9e0>; linux,initrd-start = <0x00000000 0x2e84d000>; }; }; initrd: base fe70000, size 13b29e0h (20654560), end 112229e0 [snip..] sym: sha256_starts info: 12 other: 00 shndx: 1 value: eb0 size: 6c sym: sha256_starts value: 11240eb0 addr: 11240018 machine_apply_elf_rel: CALL26 580006b394000000->580006b3940003a6 sym: sha256_update info: 12 other: 00 shndx: 1 value: 5158 size: c sym: sha256_update value: 11245158 addr: 11240034 machine_apply_elf_rel: CALL26 9100427394000000->9100427394001449 sym: sha256_finish info: 12 other: 00 shndx: 1 value: 5164 size: 1cc sym: sha256_finish value: 11245164 addr: 11240050 machine_apply_elf_rel: CALL26 aa1403e094000000->aa1403e094001445 sym: memcmp info: 12 other: 00 shndx: 1 value: 634 size: 34 sym: memcmp value: 11240634 addr: 11240060 machine_apply_elf_rel: CALL26 340003c094000000->340003c094000175 sym: printf info: 12 other: 00 shndx: 1 value: 544 size: 90 sym: printf value: 11240544 addr: 11240070 machine_apply_elf_rel: CALL26 5800046094000000->5800046094000135 sym: printf info: 12 other: 00 shndx: 1 value: 544 size: 90 sym: printf value: 11240544 addr: 11240078 machine_apply_elf_rel: CALL26 5800047594000000->5800047594000133 sym: printf info: 12 other: 00 shndx: 1 value: 544 size: 90 sym: printf value: 11240544 addr: 11240088 machine_apply_elf_rel: CALL26 9100067394000000->910006739400012f sym: printf info: 12 other: 00 shndx: 1 value: 544 size: 90 sym: printf value: 11240544 addr: 112400a8 machine_apply_elf_rel: CALL26 5800036094000000->5800036094000127 sym: printf info: 12 other: 00 shndx: 1 value: 544 size: 90 sym: printf value: 11240544 addr: 112400b0 machine_apply_elf_rel: CALL26 910402e194000000->910402e194000125 sym: printf info: 12 other: 00 shndx: 1 value: 544 size: 90 sym: printf value: 11240544 addr: 112400c0 machine_apply_elf_rel: CALL26 9100067394000000->9100067394000121 sym: printf info: 12 other: 00 shndx: 1 value: 544 size: 90 sym: printf value: 11240544 addr: 112400d4 machine_apply_elf_rel: CALL26 5280002094000000->528000209400011c sym: .data info: 03 other: 00 shndx: 4 value: 0 size: 0 sym: .data value: 112453a8 addr: 112400f0 machine_apply_elf_rel: ABS64 0000000000000000->00000000112453a8 sym: .rodata.str1.1 info: 03 other: 00 shndx: 3 value: 0 size: 0 sym: .rodata.str1.1 value: 11245338 addr: 112400f8 machine_apply_elf_rel: ABS64 0000000000000000->0000000011245338 sym: .rodata.str1.1 info: 03 other: 00 shndx: 3 value: 0 size: 0 sym: .rodata.str1.1 value: 11245358 addr: 11240100 machine_apply_elf_rel: ABS64 0000000000000000->0000000011245358 sym: .rodata.str1.1 info: 03 other: 00 shndx: 3 value: 0 size: 0 sym: .rodata.str1.1 value: 11245368 addr: 11240108 machine_apply_elf_rel: ABS64 0000000000000000->0000000011245368 sym: .rodata.str1.1 info: 03 other: 00 shndx: 3 value: 0 size: 0 sym: .rodata.str1.1 value: 1124536e addr: 11240110 machine_apply_elf_rel: ABS64 0000000000000000->000000001124536e sym: .rodata.str1.1 info: 03 other: 00 shndx: 3 value: 0 size: 0 sym: .rodata.str1.1 value: 11245370 addr: 11240118 machine_apply_elf_rel: ABS64 0000000000000000->0000000011245370 sym: printf info: 12 other: 00 shndx: 1 value: 544 size: 90 sym: printf value: 11240544 addr: 1124012c machine_apply_elf_rel: CALL26 9400000094000000->9400000094000106 sym: setup_arch info: 12 other: 00 shndx: 1 value: ea8 size: 4 sym: setup_arch value: 11240ea8 addr: 11240130 machine_apply_elf_rel: CALL26 9400000094000000->940000009400035e sym: verify_sha256_digest info: 12 other: 00 shndx: 1 value: 0 size: f0 sym: verify_sha256_digest value: 11240000 addr: 11240134 machine_apply_elf_rel: CALL26 3400004094000000->3400004097ffffb3 sym: post_verification_setup_arch info: 12 other: 00 shndx: 1 value: ea4 size: 4 sym: post_verification_setup_arch value: 11240ea4 addr: 11240144 machine_apply_elf_rel: JUMP26 0000000014000000->0000000014000358 sym: .rodata.str1.1 info: 03 other: 00 shndx: 3 value: 0 size: 0 sym: .rodata.str1.1 value: 11245380 addr: 11240148 machine_apply_elf_rel: ABS64 0000000000000000->0000000011245380 sym: putchar info: 12 other: 00 shndx: 1 value: ea0 size: 4 sym: putchar value: 11240ea0 addr: 112401ac machine_apply_elf_rel: CALL26 f94037a194000000->f94037a19400033d sym: putchar info: 12 other: 00 shndx: 1 value: ea0 size: 4 sym: putchar value: 11240ea0 addr: 11240220 machine_apply_elf_rel: CALL26 910006f794000000->910006f794000320 sym: putchar info: 12 other: 00 shndx: 1 value: ea0 size: 4 sym: putchar value: 11240ea0 addr: 11240478 machine_apply_elf_rel: CALL26 9100073994000000->910007399400028a sym: .rodata.str1.1 info: 03 other: 00 shndx: 3 value: 0 size: 0 sym: .rodata.str1.1 value: 11245392 addr: 112404b8 machine_apply_elf_rel: ABS64 0000000000000000->0000000011245392 sym: vsprintf info: 12 other: 00 shndx: 1 value: 150 size: 364 sym: vsprintf value: 11240150 addr: 11240538 machine_apply_elf_rel: CALL26 a8d07bfd94000000->a8d07bfd97ffff06 sym: vsprintf info: 12 other: 00 shndx: 1 value: 150 size: 364 sym: vsprintf value: 11240150 addr: 112405c8 machine_apply_elf_rel: CALL26 a8d17bfd94000000->a8d17bfd97fffee2 sym: purgatory info: 12 other: 00 shndx: 1 value: 120 size: 28 sym: purgatory value: 11240120 addr: 11240678 machine_apply_elf_rel: CALL26 5800001194000000->5800001197fffeaa sym: arm64_kernel_entry info: 10 other: 00 shndx: 4 value: 120 size: 8 sym: arm64_kernel_entry value: 112454c8 addr: 1124067c machine_apply_elf_rel: LD_PREL_LO19 5800000058000011->5800000058027271 sym: arm64_dtb_addr info: 10 other: 00 shndx: 4 value: 128 size: 8 sym: arm64_dtb_addr value: 112454d0 addr: 11240680 machine_apply_elf_rel: LD_PREL_LO19 aa1f03e158000000->aa1f03e158027280 sym: sha256_process info: 12 other: 00 shndx: 1 value: f1c size: 4134 sym: sha256_process value: 11240f1c addr: 112450bc machine_apply_elf_rel: CALL26 d101029494000000->d101029497ffef98 sym: memcpy info: 12 other: 00 shndx: 1 value: 614 size: 20 sym: memcpy value: 11240614 addr: 11245118 machine_apply_elf_rel: JUMP26 b4fffc5814000000->b4fffc5817ffed3f sym: memcpy info: 12 other: 00 shndx: 1 value: 614 size: 20 sym: memcpy value: 11240614 addr: 11245130 machine_apply_elf_rel: CALL26 aa1503e094000000->aa1503e097ffed39 sym: sha256_process info: 12 other: 00 shndx: 1 value: f1c size: 4134 sym: sha256_process value: 11240f1c addr: 1124513c machine_apply_elf_rel: CALL26 cb1302d694000000->cb1302d697ffef78 sym: .data info: 03 other: 00 shndx: 4 value: 0 size: 0 sym: .data value: 112454d8 addr: 11245330 machine_apply_elf_rel: ABS64 0000000000000000->00000000112454d8 kexec_load: entry = 0x11240670 flags = 0xb70001 nr_segments = 5 segment[0].buf = 0xffff968d0010 segment[0].bufsz = 0xdf9200 segment[0].mem = 0xe880000 segment[0].memsz = 0x15f0000 segment[1].buf = 0xffff950e0010 segment[1].bufsz = 0x13b29e0 segment[1].mem = 0xfe70000 segment[1].memsz = 0x13c0000 segment[2].buf = 0x1115b440 segment[2].bufsz = 0x33d segment[2].mem = 0x11230000 segment[2].memsz = 0x10000 segment[3].buf = 0x1115bb70 segment[3].bufsz = 0x5518 segment[3].mem = 0x11240000 segment[3].memsz = 0x10000 segment[4].buf = 0x11159ca0 segment[4].bufsz = 0x1000 segment[4].mem = 0x2e7f0000 segment[4].memsz = 0x10000 Regards, Bhupesh > > >> Regards, >> Bhupesh >> >> >> >> > >> >> > Regards, >> >> > Bhupesh >> >> > >> >> > >> Just FYI, on x86, ACPI tables seems to be exposed to crash dump kernel >> >> > >> via a kernel command line parameter, "memmap=". >> >> > >> >> >> > _______________________________________________ >> >> > kexec mailing list -- kexec@xxxxxxxxxxxxxxxxxxxxxxx >> >> > To unsubscribe send an email to kexec-leave@xxxxxxxxxxxxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
