System crashed with Instruction Pointer at _spin_lock_irq+0x1/0xb.
Issue
- System crashed with following panic message:
general protection fault: 0000 [1] SMP
last sysfs file: /devices/pci0000:00/0000:00:07.0/0000:0b:00.0/0000:0c:00.0/0000:0d:00.0/0000:0e:04.0/0000:13:00.0/host9/rport-9:0-32/target9:0:5/9:0:5:39/timeout
CPU 0
..
Pid: 21843, comm: emcomkd Tainted: P M 2.6.18-238.9.1.el5 #1
RIP: 0010:[<ffffffff80064ad6>] [<ffffffff80064ad6>] _spin_lock_irq+0x1/0xb
..
Process emcomkd (pid: 21843, threadinfo ffff81071a14c000, task ffff81059d6d2820)
..
Call Trace:
[<ffffffff80064604>] __down_read+0x12/0x92
[<ffffffff885a3cdc>] :emcom:dru_lhash_lookup+0x17b/0x188
[<ffffffff88100845>] :dm_mod:dm_request+0x41/0x124
[<ffffffff88100804>] :dm_mod:dm_request+0x0/0x124
[<ffffffff885a5e9b>] :emcom:dru_ld_strat_OS+0x27c/0x2ff
[<ffffffff885aadf1>] :emcom:dru_mvr_copy_bhvr+0xc2c/0x150f
[<ffffffff885ab7e7>] :emcom:dru_mvr_task_dispatch+0x113/0x621
[<ffffffff885abd48>] :emcom:dru_mvr_thrd_task+0x53/0x160
[<ffffffff885a16d1>] :emcom:dru_thread_idle+0x3cb/0x591
[<ffffffff8008e437>] default_wake_function+0x0/0xe
[<ffffffff8005dfb1>] child_rip+0xa/0x11
[<ffffffff88590835>] :emcom:dru_daemon+0x0/0xb8
[<ffffffff8005dfa7>] child_rip+0x0/0x11
Environment
- Red Hat Enterprise Linux 5
- kernel-2.6.18-238.9.1.el5
- emcom proprietary unsigned kernel module (Part of EMC open Migrator Package)
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