Server panic in the 3rd-party "scdrv" module.

Solution Unverified - Updated -

Issue

  • Server panic with below call traces :
KERNEL: /cores/20121005153423/work/vmlinux
    DUMPFILE: /cores/20121005153423/work/30-00717211-vmcore
        CPUS: 2
        DATE: Fri Oct  5 08:37:44 2012
      UPTIME: 00:01:16
LOAD AVERAGE: 0.66, 0.19, 0.07
       TASKS: 121
    NODENAME: abc
     RELEASE: 2.6.18-308.13.1.el5
     VERSION: #1 SMP Thu Jul 26 05:45:09 EDT 2012
     MACHINE: x86_64  (2261 Mhz)
      MEMORY: 3.7 GB
       PANIC: "Oops: 0002 [1] SMP " (check log for details)
         PID: 3477
     COMMAND: "seagent"
        TASK: ffff8100e4ef8040  [THREAD_INFO: ffff8100e3e10000]
         CPU: 0
       STATE: TASK_RUNNING (PANIC)

PID: 3477   TASK: ffff8100e4ef8040  CPU: 0   COMMAND: "seagent"
 #0 [ffff8100e3e11a40] crash_kexec at ffffffff800b09a0
 #1 [ffff8100e3e11b00] __die at ffffffff80065137
 #2 [ffff8100e3e11b40] do_page_fault at ffffffff80067484
 #3 [ffff8100e3e11c30] error_exit at ffffffff8005dde9
    [exception RIP: dump_trace+507]
    RIP: ffffffff8006c426  RSP: ffff8100e3e11ce8  RFLAGS: 00010006
    RAX: 0000000000000000  RBX: ffff8100fffffff9  RCX: 00000000000051a0
    RDX: 0000000000000000  RSI: 0000000000000096  RDI: ffffffff803275b0
    RBP: ea0000000000e706   R8: ffff8100ee55aa89   R9: 000000000000003e
    R10: ffffffff8045e5a0  R11: 0000000000000fff  R12: ffff8100e3e11f08
    R13: 0000000000000000  R14: ffffffff8031b760  R15: ffffffff804b1fc0
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
 #4 [ffff8100e3e11d30] show_trace at ffffffff8006c48e
 #5 [ffff8100e3e11d50] _show_stack at ffffffff8006c593
 #6 [ffff8100e3e11da0] show_registers at ffffffff8006c62f
 #7 [ffff8100e3e11dd0] __die at ffffffff800650ee
 #8 [ffff8100e3e11e10] do_page_fault at ffffffff80067484
 #9 [ffff8100e3e11f00] error_exit at ffffffff8005dde9
    [exception RIP: sch_stub_IA32_clone+4]
    RIP: ffffffff884365e0  RSP: ffff8100e3e11fb1  RFLAGS: 00010297
    RAX: 0000000000000078  RBX: 0000000001200011  RCX: 0000000000000000
    RDX: 0000000000000000  RSI: 0000000000000000  RDI: 0000000001200011
    RBP: 00000000ffd8ff4c   R8: 00000000f7dc4718   R9: 00000000ffd8ff4c
    R10: ffff8100e3e10000  R11: 0000000000000000  R12: 0000000000000000
    R13: 0000000000000000  R14: 0000000000000000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
    RIP: 00000000ffffe410  RSP: 00000000ffd8fee8  RFLAGS: 00000296
    RAX: 0000000000000018  RBX: ffffffffffffffff  RCX: 0000000000000000
    RDX: 0000000000000000  RSI: 0000000000000000  RDI: 00000000f7dc4718
    RBP: 0000000001200011   R8: ffff8100e3e11fb1   R9: 0000000000010297
    R10: 0000000000000010  R11: ffffffff884365e0  R12: 0000000000000000
    R13: 0000000000000000  R14: 0000000000000000  R15: 0000000000000078
    ORIG_RAX: 0000000000000078  CS: 0023  SS: 002b

Environment

  • Red Hat Enterprise Linux 5.8

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