Kernel Panic on RIP_spin_unlock_irqrestore

Solution Unverified - Updated -

Issue

  • Why does the server panic with the following errors in /var/log/messages?
qla2xxx 0000:74:00.0: Mailbox command timeout occurred, cmd=0x69 mb[0]=0x69. Issuing ISP abort.
qla2xxx 0000:74:00.0: Performing ISP error recovery - ha= ffff814ffdc744f8.
qla2xxx 0000:74:00.1: Mailbox command timeout occurred, cmd=0x54 mb[0]=0x54. Issuing ISP abort.
qla2xxx 0000:74:00.1: Performing ISP error recovery - ha= ffff814ffdec04f8.
BUG: soft lockup - CPU#96 stuck for 60s! [cmafcad:9117]
qla2xxx 0000:74:00.0: RISC paused -- HCCR=ffffffff, Dumping firmware!
qla2xxx 0000:74:00.0: Additional code -- 0x55AA.

Pid: 9117, comm: cmafcad Tainted: P     ---- 2.6.18-308.16.1.el5 #1
RIP: 0010:[<ffffffff80064b30>]  [<ffffffff80064b30>] _spin_unlock_irqrestore+0x8/0x9

Environment

  • Red Hat Enterprise Linux 5

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