krbd: crash in image refresh

Solution Verified - Updated -


  • krbd: crash in image refresh
crash> bt
PID: 5462   TASK: ffff880756980000  CPU: 6   COMMAND: "kworker/u16:0"
 #0 [ffff8805ca563a30] machine_kexec at ffffffff81051beb
 #1 [ffff8805ca563a90] crash_kexec at ffffffff810f2622
 #2 [ffff8805ca563b60] oops_end at ffffffff8163e708
 #3 [ffff8805ca563b88] no_context at ffffffff8162e80b
 #4 [ffff8805ca563bd8] __bad_area_nosemaphore at ffffffff8162e8a1
 #5 [ffff8805ca563c20] bad_area_nosemaphore at ffffffff8162ea0b
 #6 [ffff8805ca563c30] __do_page_fault at ffffffff8164150e
 #7 [ffff8805ca563c90] trace_do_page_fault at ffffffff81641743
 #8 [ffff8805ca563cc8] do_async_page_fault at ffffffff81640e39
 #9 [ffff8805ca563ce0] async_page_fault at ffffffff8163d938
    [exception RIP: rbd_dev_refresh+250]
    RIP: ffffffffa050828a  RSP: ffff8805ca563d90  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff880700a33800  RCX: 0000000000000000
    RDX: 0000000000000000  RSI: 0000000000020000  RDI: ffff880700a33848
    RBP: ffff8805ca563db0   R8: 0000000000017620   R9: ffff88083a397620
    R10: ffffea001be22200  R11: ffffffffa0502798  R12: 0000000000000000
    R13: 0000000000400000  R14: ffff880700a33848  R15: 0000000000000001
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#10 [ffff8805ca563db8] rbd_watch_cb at ffffffffa0508344 [rbd]
#11 [ffff8805ca563de8] do_event_work at ffffffffa04bd290 [libceph]
#12 [ffff8805ca563e20] process_one_work at ffffffff8109d5db
#13 [ffff8805ca563e68] worker_thread at ffffffff8109e3ab
#14 [ffff8805ca563ec8] kthread at ffffffff810a5acf
#15 [ffff8805ca563f50] ret_from_fork at ffffffff81645dd8


  • Red Hat Enterprise Linux Server release 7.2 (Maipo)
  • Kernel-3.10.0-327.13.1.el7.x86_64

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