System crashes or I/O errors following growth of a raid0 mdadm device

Solution Unverified - Updated -

Issue

  • System crashes or I/O errors following growth of a raid0 mdadm device:
PID: 2281   TASK: ffff880039e82ab0  CPU: 0   COMMAND: "blkid"
 #0 [ffff88003ddd76f0] machine_kexec at ffffffff8103fdcb
 #1 [ffff88003ddd7750] crash_kexec at ffffffff810d1dc2
 #2 [ffff88003ddd7820] oops_end at ffffffff8154d160
 #3 [ffff88003ddd7850] die at ffffffff8101102b
 #4 [ffff88003ddd7880] do_trap at ffffffff8154c9b4
 #5 [ffff88003ddd78e0] do_invalid_op at ffffffff8100cd95
 #6 [ffff88003ddd7980] invalid_op at ffffffff8100c01b
    [exception RIP: virtscsi_queuecommand+0x12d]
    RIP: ffffffffa008adfd  RSP: ffff88003ddd7a38  RFLAGS: 00010083
    RAX: 000000000000007e  RBX: ffff880037ca0680  RCX: ffff880037efa000
    RDX: ffff880037ca0680  RSI: ffff880037f59000  RDI: ffff880037ee45e0
    RBP: ffff88003ddd7a58   R8: 0000000000000001   R9: 0000000000000000
    R10: 0000000000000000  R11: 0000000000000000  R12: ffff880037ca0680
    R13: ffff880037ee47e8  R14: ffff880037efa000  R15: ffff880037ca0680
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
 #7 [ffff88003ddd7a60] virtscsi_queuecommand_single at ffffffffa008af6e [virtio_scsi]
 #8 [ffff88003ddd7a70] scsi_dispatch_cmd at ffffffff8139851e
 #9 [ffff88003ddd7aa0] scsi_request_fn at ffffffff813a0f0e
#10 [ffff88003ddd7b10] __generic_unplug_device at ffffffff8127cc32
#11 [ffff88003ddd7b30] generic_unplug_device at ffffffff8127cc6e
#12 [ffff88003ddd7b50] blk_unplug at ffffffff81278b04
#13 [ffff88003ddd7b70] raid0_unplug at ffffffffa02605a2 [raid0]
#14 [ffff88003ddd7ba0] blk_unplug at ffffffff81278b04
#15 [ffff88003ddd7bc0] blk_backing_dev_unplug at ffffffff81278b52
#16 [ffff88003ddd7bd0] block_sync_page at ffffffff811cf4ee
#17 [ffff88003ddd7be0] sync_page at ffffffff8112e428
#18 [ffff88003ddd7bf0] sync_page_killable at ffffffff8112e44e
#19 [ffff88003ddd7c00] __wait_on_bit_lock at ffffffff81549aca
#20 [ffff88003ddd7c50] __lock_page_killable at ffffffff8112e357
#21 [ffff88003ddd7cb0] generic_file_aio_read at ffffffff81130084
#22 [ffff88003ddd7d90] blkdev_aio_read at ffffffff811d68d1
#23 [ffff88003ddd7dc0] do_sync_read at ffffffff81199aaa
#24 [ffff88003ddd7ef0] vfs_read at ffffffff8119a3a5
#25 [ffff88003ddd7f30] sys_read at ffffffff8119a6f1
#26 [ffff88003ddd7f80] system_call_fastpath at ffffffff8100b0d2
    RIP: 0000003349cdb670  RSP: 00007fffc9394b88  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffffffff8100b0d2  RCX: 0000000000000000
    RDX: 0000000000000018  RSI: 000000000135c128  RDI: 0000000000000003
    RBP: 000000005fce0200   R8: 000000000135c118   R9: 0000000000000001
    R10: 0000000000000040  R11: 0000000000000246  R12: 0000000000000018
    R13: 000000000135b030  R14: 000000000135b068  R15: 000000000135b030
    ORIG_RAX: 0000000000000000  CS: 0033  SS: 002b

Environment

  • Red Hat Enterprise Linux 6
  • kernel-2.6.32-642.13.1.el6

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