I run the latest RHEL 7.2 with the KAISER/KPTI patch, and boot failed. ... [ 0.000000] PM: Registered nosave memory: [mem 0x81000000000-0x8ffffffffff] [ 0.000000] PM: Registered nosave memory: [mem 0x91000000000-0xfffffffffff] [ 0.000000] PM: Registered nosave memory: [mem 0x101000000000-0x10ffffffffff] [ 0.000000] PM: Registered nosave memory: [mem 0x111000000000-0x17ffffffffff] [ 0.000000] PM: Regitered nosave memory: [mem 0x181000000000-0x18ffffffffff] [ 0.000000] e820: [mem 0x90000000-0xfed1bfff] available for PCI devices [ 0.000000] Booting paravirtualized kernel on bare hardware [ 0.000000] setup_percpu: NR_CPUS:5120 nr_cpumask_bits:1536 nr_cpu_ids:1536 nr_node_ids:8 [ 0.000000] PERCPU: max_distance=0x180ffe240000 too large for vmalloc space 0x1fffffffffff [ 0.000000] setup_percpu: auto allocator failed (-22), falling back to page size [ 0.000000] PERCPU: 32 4K pages/cpu @ffffc90000000000 s107200 r8192 d15680 [ 0.000000] Built 8 zonelists in Zone order, mobility grouping on. Total pages: 132001804 [ 0.000000] Policy zone: Normal iosdevname=0 8250.nr_uarts=8 efi=old_map rdloaddriver=usb_storage rdloaddriver=sd_mod udev.event-timeout=600 softlockup_panic=0 rcupdate.rcu_cpu_stall_timeout=300 [ 0.000000] Intel-IOMMU: enabled [ 0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes) [ 0.000000] x86/fpu: xstate_offset[2]: 0240, xstate_sizes[2]: 0100 [ 0.000000] xsave: enabled xstate_bv 0x7, cntxt size 0x340 [ 0.000000] AGP: Checking aperture... [ 0.000000] AGP: No AGP bridge found [ 0.000000] Memory: 526901612k/26910638080k available (6528k kernel code, 26374249692k absent, 9486776k reserved, 4302k data, 1676k init) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1536, Nodes=8 [ 0.000000] x86/pti: Unmapping kernel while in userspace [ 0.000000] Hierarchical RCU implementation. [ 0.000000] RCU restricting CPUs from NR_CPUS=5120 to nr_cpu_ids=1536. [ 0.000000] Offload RCU callbacks from all CPUs [ 0.000000] Offload RCU callbacks from CPUs: 0-1535. [ 0.000000] NR_IRQS:327936 nr_irqs:15976 0 [ 0.000000] Console: colour dummy device 80x25 [ 0.000000] console [tty0] enabled [ 0.000000] console [ttyS0] enabled [ 0.000000] allocated 2145910784 bytes of page_cgroup [ 0.000000] please try 'cgroup_disable=memory' option if you don't want memory cgroups [ 0.000000] Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 0.000000] tsc: Fast TSC calibration using PIT [ 0.000000] tsc: Detected 2799.999 MHz processor [ 0.001803] Calibrating delay loop (skipped), value calculated using timer frequency.. 5599.99 BogoMIPS (lpj=2799999) [ 0.012408] pid_max: default: 1572864 minimum: 12288 [ 0.017987] init_memory_mapping: [mem 0x5947f000-0x5b47efff] [ 0.023701] init_memory_mapping: [mem 0x5b47f000-0x5b87efff] [ 0.029369] init_memory_mapping: [mem 0x6d368000-0x6d3edfff] [ 0.039130] BUG: unable to handle kernel paging request at 000000005b835f90 [ 0.046101] IP: [<000000005b835f90>] 0x5b835f8f [ 0.050637] PGD 8000000001f61067 PUD 190ffefff067 PMD 190ffeffd067 PTE 5b835063 [ 0.057989] Oops: 0011 [#1] SMP [ 0.061241] Modules linked in: [ 0.064304] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.10.0-327.59.59.46.h42.x86_64 #1 [ 0.072280] Hardware name: Huawei FusionServer9032/IT91SMUB, BIOS BLXSV316 11/14/2017 [ 0.080082] task: ffffffff8196e440 ti: ffffffff81958000 task.ti: ffffffff81958000 [ 0.087539] RIP: 0010:[<000000005b835f90>] [<000000005b835f90>] 0x5b835f8f [ 0.094494] RSP: 0000:ffffffff8195be28 EFLAGS: 00010046 [ 0.099788] RAX: 0000000080050033 RBX: ffff910fbc802000 RCX: 00000000000002d0 [ 0.106897] RDX: 0000000000000030 RSI: 00000000000002d0 RDI: 000000005b835f90 [ 0.114006] RBP: ffffffff8195bf38 R08: 0000000000000001 R09: 0000090fbc802000 [ 0.121116] R10: ffff88ffbcc07340 R11: 0000000000000001 R12: 0000000000000001 [ 0.128225] R13: 0000090fbc802000 R14: 00000000000002d0 R15: 0000000000000001 [ 0.135336] FS: 0000000000000000(0000) GS:ffffc90000000000(0000) knlGS:0000000000000000 [ 0.143398] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.149124] CR2: 000000005b835f90 CR3: 0000000001966000 CR4: 00000000000606b0 [ 0.156234] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 0.163344] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 0.170454] Call Trace: [ 0.172899] [<ffffffff8107512c>] ? efi_call4+0x6c/0xf0 [ 0.178108] [<ffffffff8105b3fe>] ? native_flush_tlb_global+0x8e/0xc0 [ 0.184527] [<ffffffff810652b3>] ? set_memory_x+0x43/0x50 [ 0.189997] [<ffffffff81acf91f>] ? efi_enter_virtual_mode+0x3bc/0x538 [ 0.196505] [<ffffffff81ab104b>] start_kernel+0x39f/0x44f [ 0.201972] [<ffffffff81ab0ab5>] ? repair_env_string+0x5c/0x5c [ 0.207872] [<ffffffff81ab0120>] ? early_idt_handlers+0x120/0x120 [ 0.214030] [<ffffffff81ab066c>] x86_64_start_reservations+0x2a/0x2c [ 0.220449] [<ffffffff81ab07c0>] x86_64_start_kernel+0x152/0x175 [ 0.226521] Code: Bad RIP value. [ 0.229860] RIP [<000000005b835f90>] 0x5b835f8f [ 0.234478] RSP <ffffffff8195be28> [ 0.237955] CR2: 000000005b835f90 [ 0.241266] ---[ end trace 8178226af3e802ca ]--- [ 0.245869] Kernel panic - not syncing: Fatal exception -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>
