Kernel panic on tty tear down - devpts_kill_index+19
Issue
- Kernel panic is observed with exception RIP: devpts_kill_index+19
crash> bt
PID: 13812 TASK: ffff8803b2ef8000 CPU: 0 COMMAND: "osa-sm"
#0 [ffff880232f63968] machine_kexec at ffffffff8104c4cb
#1 [ffff880232f639c8] crash_kexec at ffffffff810e1fe2
#2 [ffff880232f63a98] oops_end at ffffffff8160c588
#3 [ffff880232f63ac0] no_context at ffffffff815fd021
#4 [ffff880232f63b10] __bad_area_nosemaphore at ffffffff815fd0b7
#5 [ffff880232f63b58] bad_area_nosemaphore at ffffffff815fd221
#6 [ffff880232f63b68] __do_page_fault at ffffffff8160f3ce
#7 [ffff880232f63c68] do_page_fault at ffffffff8160f5ca
#8 [ffff880232f63c90] page_fault at ffffffff8160b808
[exception RIP: devpts_kill_index+19]
RIP: ffffffff812446e3 RSP: ffff880232f63d40 RFLAGS: 00010282
RAX: 0000000000000002 RBX: ffff8804260f6800 RCX: ffff880232f63fd8
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff880428237720
RBP: ffff880232f63d50 R8: ffff8802e943a140 R9: 000000018040003f
R10: ffffea000ba50e80 R11: ffffffff81393a6b R12: 0000000000000001
R13: ffff8800b2b71b01 R14: 0000000000000001 R15: ffff8804249eb0e0
ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018
#9 [ffff880232f63d58] pty_unix98_shutdown at ffffffff81395f88
#10 [ffff880232f63d68] release_tty at ffffffff8138aaa7
#11 [ffff880232f63d80] tty_release at ffffffff8138cdc4
#12 [ffff880232f63e28] __fput at ffffffff811c81b9
#13 [ffff880232f63e70] ____fput at ffffffff811c847e
#14 [ffff880232f63e80] task_work_run at ffffffff81093b54
#15 [ffff880232f63eb0] do_exit at ffffffff810745bb
#16 [ffff880232f63f40] do_group_exit at ffffffff81074dcf
#17 [ffff880232f63f70] sys_exit_group at ffffffff81074e44
#18 [ffff880232f63f80] sysenter_dispatch at ffffffff81615c4c
RIP: 00000000f7747430 RSP: 00000000ffab146c RFLAGS: 00000296
RAX: 00000000000000fc RBX: ffffffff81615c4c RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000f7662270
RBP: 00000000f7662270 R8: 0000000000000000 R9: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff81074e44
R13: ffff880232f63f78 R14: 0000000000000000 R15: 0000000000000000
ORIG_RAX: 00000000000000fc CS: 0023 SS: 002b
Environment
- Red Hat Enterprise Linux 7
- kernel 3.10.0-229.el7.x86_64
- kernel 3.10.0-229.7.2.el7.x86_64
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