SLES11 SP3 VMware guest crashes with kernel BUG at ../blk-core.c:2392!"

This document (7017971) is provided subject to the disclaimer at the end of this document.

Environment

SUSE Linux Enterprise Server 11 Service Pack 3 (SLES 11 SP3)
Kernel: 3.0.101-0.46-default and older.

Situation

A SLES11 SP3 VMware guest may crash with the following panic string:

kernel BUG at /usr/src/packages/BUILD/kernel-default-3.0.101/linux-3.0/block/blk-core.c:2392!"

followed by the following stack trace:

PID: 5608   TASK: ffff880424f320c0  CPU: 3   COMMAND: "cron"
 #0 [ffff88043fd83b60] machine_kexec at ffffffff8102c45e
 #1 [ffff88043fd83bb0] crash_kexec at ffffffff810adbfa
 #2 [ffff88043fd83c80] oops_end at ffffffff81465fa8
 #3 [ffff88043fd83ca0] do_invalid_op at ffffffff810036d4
 #4 [ffff88043fd83d40] invalid_op at ffffffff8146d7db
    [exception RIP: blk_finish_request+560]
    RIP: ffffffff8122ada0  RSP: ffff88043fd83df0  RFLAGS: 00010087
    RAX: 0000000000000246  RBX: ffff880423332438  RCX: 00000000000041da
    RDX: 00000000000041da  RSI: 00000000fffffffb  RDI: ffff880423332438
    RBP: ffff880423332438   R8: 0000000000000000   R9: 000000000000007f
    R10: ffff88043fd83dd0  R11: 000000002b505617  R12: 00000000fffffffb
    R13: 00000000fffffffb  R14: 0000000000000000  R15: 00000000fffffffb
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0000
 #5 [ffff88043fd83e18] blk_end_bidi_request at ffffffff8122adfa
 #6 [ffff88043fd83e48] scsi_io_completion at ffffffffa000b1b3 [scsi_mod]
 #7 [ffff88043fd83ea8] blk_done_softirq at ffffffff81231165
 #8 [ffff88043fd83ec8] __do_softirq at ffffffff810689ef
 #9 [ffff88043fd83f38] call_softirq at ffffffff8146da5c
#10 [ffff88043fd83f50] do_softirq at ffffffff81004695
#11 [ffff88043fd83f80] do_IRQ at ffffffff81003a6f
--- <IRQ stack> ---
#12 [ffff88042541df58] ret_from_intr at ffffffff81464d13
    RIP: 00007f0ec92de060  RSP: 00007fffa0f57958  RFLAGS: 00000202
    RAX: 0000000000000000  RBX: 00007f0ec939f7be  RCX: 000000000000000e
    RDX: 0000000000000002  RSI: 00000000ffffc000  RDI: 00007f0eca03a010
    RBP: 00007f0eca03a010   R8: 00007f0ec939f7be   R9: 00007fffa0f57820
    R10: 0000000000000008  R11: 0000000000000246  R12: ffffffff81464d0e
    R13: 00007fffa0f57aa0  R14: 0000000000000000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffff55  CS: 0033  SS: 002b

Resolution

A fix for this crash is in maintenance kernel 3.0.101-0.47.67.2

Cause

Disclaimer

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