Kernel panic in vfs_open+0x5e
Issue
- Constant server restarts after update of Dell Compellent Storage Center Operating System (SCOS)
- Kernel panic in
vfs_open+0x5e - System logs a list double add:
list_add double add: new=ffff885066d77580, prev=ffff88be6a6060a0, next=ffff885066d77580.
- Then performs a General Protection Fault (GPF):
general protection fault
PID: 109539 TASK: ffff88be6b3a4500 CPU: 2 COMMAND: "processname"
...
#5 [ffff885e484afc40] general_protection at ffffffff8163d328
[exception RIP: vfs_open+0x5e]
RIP: ffffffff811dc24e RSP: ffff885e484afcf8 RFLAGS: 00010206
RAX: ffff8856dd1ed080 RBX: ffff885e484aff28 RCX: 63616e695f736678
RDX: ffff885b2a54ca80 RSI: ffff885e4553b000 RDI: ffff8856dd1ed080
RBP: ffff885e484afcf8 R8: ffff885e4553b000 R9: 0000000000000000
R10: ffff8856dd1ed080 R11: ffffffff812853e2 R12: 0000000000008041
R13: ffff885e484afdf0 R14: 0000000000000000 R15: ffff885e484afe50
ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018
#6 [ffff885e484afcf0] vfs_open at ffffffff811dc250
#7 [ffff885e484afd00] do_last at ffffffff811eb81d
#8 [ffff885e484afdb0] path_openat at ffffffff811ee582
#9 [ffff885e484afe48] do_filp_open at ffffffff811efd4b
#10 [ffff885e484aff18] do_sys_open at ffffffff811dd6f3
#11 [ffff885e484aff70] sys_open at ffffffff811dd80e
#12 [ffff885e484aff80] system_call_fastpath at ffffffff816458c9
Environment
- Red Hat Enterprise Linux 7
- XFS filesystem
- device-mapper multipath
- Dell Compellent SAN
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