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Oracle Linux: Lvextend Command Triggers Crash on kmem_cache_close() (Doc ID 2663503.1)

Last updated on APRIL 30, 2020

Applies to:

Linux OS - Version Oracle Linux 7.4 and later
Linux x86-64

Symptoms

LVM lvextend command triggers crash on kmem_cache_close()

Vmcore analysis shows the following stack trace

crash7latest> sys
KERNEL: /share/linuxrpm/vmlinux_repo/64/3.10.0-693.11.6.el7.x86_64/vmlinux
DUMPFILE: vmcore [PARTIAL DUMP]
CPUS: 8
DATE: Month/Day/Time Year
UPTIME: 187 days, 08:12:35
LOAD AVERAGE: 0.71, 1.06, 0.81
TASKS: 2315
NODENAME: hotsname xxx
RELEASE: 3.10.0-693.11.6.el7.x86_64
VERSION: #1 SMP Wed Jan 3 18:59:47 PST 2018
MACHINE: x86_64 (2399 Mhz)
MEMORY: 32 GB
PANIC: "BUG: unable to handle kernel paging request at 0000002000000001"
crash7latest> bt
PID: 30481 TASK: ffff880326e02f70 CPU: 5 COMMAND: "lvextend"
#0 [ffff88065b3c7750] machine_kexec at ffffffff8105c58b
#1 [ffff88065b3c77b0] __crash_kexec at ffffffff81106742
#2 [ffff88065b3c7880] crash_kexec at ffffffff81106830
#3 [ffff88065b3c7898] oops_end at ffffffff816b0aa8
#4 [ffff88065b3c78c0] no_context at ffffffff8169f3aa
#5 [ffff88065b3c7910] __bad_area_nosemaphore at ffffffff8169f440
#6 [ffff88065b3c7958] bad_area at ffffffff8169f764
#7 [ffff88065b3c7980] __do_page_fault at ffffffff816b3a6c
#8 [ffff88065b3c79e0] do_page_fault at ffffffff816b3b15
#9 [ffff88065b3c7a10] page_fault at ffffffff816af8f8
[exception RIP: __list_del_entry+41]
RIP: ffffffff8133fac9 RSP: ffff88065b3c7ac8 RFLAGS: 00010203
RAX: 0000002000000001 RBX: ffffea0001c2fe20 RCX: dead000000000200
RDX: 0000000000000000 RSI: 0000000000001f00 RDI: ffffea0001c2fe20
RBP: ffff88065b3c7ac8 R8: 000000000001b8a0 R9: ffffffff811e3915
R10: ffff88083fd1b8a0 R11: ffffea00063f80c0 R12: ffff88008dbb3800
R13: ffffea0001c2fe00 R14: ffff8805c83b0000 R15: ffffffffffffffe0
ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018
#10 [ffff88065b3c7ad0] list_del at ffffffff8133fb7d
#11 [ffff88065b3c7ae8] kmem_cache_close at ffffffff811e37e5
#12 [ffff88065b3c7b48] __kmem_cache_shutdown at ffffffff811e3a24
#13 [ffff88065b3c7b68] kmem_cache_destroy at ffffffff811a8624
#14 [ffff88065b3c7b88] kmem_cache_destroy_memcg_children at ffffffff811f7f59
#15 [ffff88065b3c7bb0] kmem_cache_destroy at ffffffff811a85f9
#16 [ffff88065b3c7bd0] bioset_free at ffffffff8123d09e
#17 [ffff88065b3c7bf0] dm_swap_table at ffffffffc0003efc [dm_mod]
#18 [ffff88065b3c7ca8] dev_suspend at ffffffffc00096ea [dm_mod]
#19 [ffff88065b3c7cd8] ctl_ioctl at ffffffffc000a015 [dm_mod]
#20 [ffff88065b3c7e70] dm_ctl_ioctl at ffffffffc000a343 [dm_mod]
#21 [ffff88065b3c7e80] do_vfs_ioctl at ffffffff8121710d
#22 [ffff88065b3c7f00] sys_ioctl at ffffffff812173b1
#23 [ffff88065b3c7f50] system_call_fastpath at ffffffff816b89fd
RIP: 00002b853ba0b107 RSP: 00007ffe13fc7bb8 RFLAGS: 00000246
RAX: 0000000000000010 RBX: 000055582031ba00 RCX: ffffffff816b889d
RDX: 0000555820e20510 RSI: 00000000c138fd06 RDI: 0000000000000007
RBP: 00002b853b2be933 R8: 00002b853b2bf428 R9: 00007ffe13fc79f0
R10: 000000000000000f R11: 0000000000000246 R12: 00002b853b2be933
R13: 00002b853b2be933 R14: 0000555820e01270 R15: 00007ffe13fc7c50
ORIG_RAX: 0000000000000010 CS: 0033 SS: 002b

Cause

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In this Document
Symptoms
Cause
Solution


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