On 11/15/2011 02:50 AM, Tim Hartrick wrote: > > Wang, > > Thanks for taking the time to look at this. > > > Here is the result from a 2.6.38 kernel used as base kernel and > crashkernel: > > [ 1.314762] WARNING: > at /build/buildd/linux-2.6.38/arch/x86/mm/ioremap.c:83 __ioremap_caller > +0x350/0x3d0() > [ 1.324394] Hardware name: PowerEdge R710 > [ 1.328390] Modules linked in: > [ 1.331443] Pid: 1, comm: swapper Not tainted 2.6.38-8-server > #42-Ubuntu > [ 1.338128] Call Trace: > [ 1.340572] [<ffffffff81065d1f>] ? warn_slowpath_common+0x7f/0xc0 > [ 1.346741] [<ffffffff81065d7a>] ? warn_slowpath_null+0x1a/0x20 > [ 1.352729] [<ffffffff81040eb0>] ? __ioremap_caller+0x350/0x3d0 > [ 1.358726] [<ffffffff810d8575>] ? call_rcu_sched+0x15/0x20 > [ 1.364375] [<ffffffff8103452e>] ? copy_oldmem_page+0x4e/0xc0 > [ 1.370194] [<ffffffff8113c39e>] ? __purge_vmap_area_lazy+0xfe/0x1f0 > [ 1.376622] [<ffffffff81040f64>] ? ioremap_cache+0x14/0x20 > [ 1.382176] [<ffffffff8103452e>] ? copy_oldmem_page+0x4e/0xc0 > [ 1.388002] [<ffffffff811cad0a>] ? read_from_oldmem+0x7a/0xb0 > [ 1.393827] [<ffffffff81b099a0>] ? merge_note_headers_elf64.clone.3 > +0x6c/0x214 > [ 1.401115] [<ffffffff8103456a>] ? copy_oldmem_page+0x8a/0xc0 > [ 1.406936] [<ffffffff811cad0a>] ? read_from_oldmem+0x7a/0xb0 > [ 1.412752] [<ffffffff81b09e79>] ? vmcore_init+0x0/0x73 > [ 1.418051] [<ffffffff81b09c52>] ? parse_crash_elf64_headers > +0x10a/0x211 > [ 1.424825] [<ffffffff8103456a>] ? copy_oldmem_page+0x8a/0xc0 > [ 1.430640] [<ffffffff81b09e79>] ? vmcore_init+0x0/0x73 > [ 1.435940] [<ffffffff81b09dd4>] ? parse_crash_elf_headers > +0x7b/0x120 > [ 1.442450] [<ffffffff81b09e9c>] ? vmcore_init+0x23/0x73 > [ 1.447839] [<ffffffff81002175>] ? do_one_initcall+0x45/0x190 > [ 1.453661] [<ffffffff81ae1dff>] ? kernel_init+0x169/0x1f3 > [ 1.459218] [<ffffffff8100cde4>] ? kernel_thread_helper+0x4/0x10 > [ 1.465298] [<ffffffff81ae1c96>] ? kernel_init+0x0/0x1f3 > [ 1.470680] [<ffffffff8100cde0>] ? kernel_thread_helper+0x0/0x10 > > The command line for the crashkernel: > > [ 0.000000] Command line: BOOT_IMAGE=/vmlinuz-2.6.38-8-server > root=UUID=ea7a5a27-d58f-469f-a19c-3e65b69587f6 ro console=ttyS0,115200n8 > irqpoll maxcpus=1 nousb memmap=exactmap memmap=640K at 0K > memmap=261484K at 623232K elfcorehdr=884716K memmap=252K#2087484K > > The contents of /proc/iomem while running the base kernel: > > 00000000-0000ffff : reserved > 00010000-0009ffff : System RAM > 000a0000-000bffff : PCI Bus 0000:00 > 00100000-7f678fff : System RAM > 01000000-015e1d6c : Kernel code > 015e1d6d-01aca17f : Kernel data > 01bae000-01d03fff : Kernel bss > 26000000-35ffffff : Crash kernel > 7f679000-7f68efff : reserved > 7f679000-7f679003 : APEI ERST > 7f67900c-7f679016 : APEI ERST > 7f679060-7f67906b : APEI ERST > 7f68d000-7f68efff : APEI ERST > 7f68f000-7f6cdfff : ACPI Tables > 7f6ce000-7fffffff : reserved > 80000000-fdffffff : PCI Bus 0000:00 > d5800000-d5ffffff : PCI Bus 0000:08 > d5800000-d5ffffff : 0000:08:03.0 > d6000000-d9ffffff : PCI Bus 0000:01 > d6000000-d7ffffff : 0000:01:00.0 > d6000000-d7ffffff : bnx2 > d8000000-d9ffffff : 0000:01:00.1 > d8000000-d9ffffff : bnx2 > da000000-ddffffff : PCI Bus 0000:02 > da000000-dbffffff : 0000:02:00.0 > da000000-dbffffff : bnx2 > dc000000-ddffffff : 0000:02:00.1 > dc000000-ddffffff : bnx2 > de000000-deffffff : PCI Bus 0000:08 > de000000-de00ffff : 0000:08:03.0 > de7fc000-de7fffff : 0000:08:03.0 > de800000-deffffff : 0000:08:03.0 > df0ff800-df0ffbff : 0000:00:1a.7 > df0ff800-df0ffbff : ehci_hcd > df0ffc00-df0fffff : 0000:00:1d.7 > df0ffc00-df0fffff : ehci_hcd > df100000-df2fffff : PCI Bus 0000:03 > df100000-df1fffff : 0000:03:00.0 > df2ec000-df2effff : 0000:03:00.0 > df2ec000-df2effff : mpt > df2f0000-df2fffff : 0000:03:00.0 > df2f0000-df2fffff : mpt > e0000000-efffffff : PCI MMCONFIG 0000 [bus 00-ff] > e0000000-efffffff : reserved > e0000000-efffffff : pnp 00:09 > fe000000-ffffffff : reserved > fec00000-fec003ff : IOAPIC 0 > fec80000-fec803ff : IOAPIC 1 > fed00000-fed003ff : HPET 0 > fed40000-fed44fff : PCI Bus 0000:00 > fed90000-fed91fff : pnp 00:0b > fee00000-fee00fff : Local APIC > 100000000-c7fffffff : System RAM > > > tim > > > > On Mon, 2011-11-14 at 13:39 +0000, WANG Cong wrote: >> On Tue, 11 Oct 2011 16:39:05 -0700, Tim Hartrick wrote: >> >>> Kexec, >>> >>> I have been experiencing the crash below on Ubuntu 10.04 running >>> 2.6.32-34-server and 2.6.38-8-server as the crashkernel on X86_64. The >>> tools are: >>> >>> kexec-tools 1:2.0.2-1ubuntu3 >>> makedumpfile 1.3.7-2 >>> kdump-tools 1.3.7-2 >>> >>> I would be interested to know if this is a known problem and if so >>> whether or not there is a patch in the pipeline to correct the problem. >>> >>> I will be happy to provide any other details that are required including >>> debug builds if necessary. >> .... >>> >>> [ 1.322100] ioremap: invalid physical address db74000000000000 [ Searching db74000000000000 got several similar cases of this, all are about per cpu invalid crash_notes address, is this one more? OTOH, Can you test latest mainline kernel? ccing lkml and Tejun Heo >>> 1.327919] ------------[ cut here ]------------ [ 1.332530] WARNING: >>> at /build/buildd/linux-2.6.32/arch/x86/mm/ioremap.c:120 __ioremap_caller >>> +0x360/0x3d0() >> >> This probably means that kexec-tools passed some incorrect >> kernel parameter to the second kernel. >> >> So, what is the cmdline of your second kernel? And what is your >> /proc/iomem of your first kernel? >> >> Cheers. >> >> >> _______________________________________________ >> kexec mailing list >> kexec at lists.infradead.org >> http://lists.infradead.org/mailman/listinfo/kexec > > > > _______________________________________________ > kexec mailing list > kexec at lists.infradead.org > http://lists.infradead.org/mailman/listinfo/kexec -- Thanks Dave
