System crashed as it hung in kmirrord
Issue
- From the crash, it shows that system was hung in 'kmirrord'
PID: 813 TASK: ffff81033fc140c0 CPU: 0 COMMAND: "kmirrord"
#0 [ffff8101bfab1650] schedule at ffffffff80063f96
#1 [ffff8101bfab1728] schedule_timeout at ffffffff800648ab
#2 [ffff8101bfab1778] io_schedule_timeout at ffffffff80064235
#3 [ffff8101bfab17a8] blk_congestion_wait at ffffffff8003b742
#4 [ffff8101bfab17f8] throttle_vm_writeout at ffffffff80053d2c
#5 [ffff8101bfab1818] shrink_zone at ffffffff80013179
#6 [ffff8101bfab1858] try_to_free_pages at ffffffff800ccb68
#7 [ffff8101bfab18e8] __alloc_pages at ffffffff8000f47f
#8 [ffff8101bfab1958] cache_grow at ffffffff80017949
#9 [ffff8101bfab19a8] __cache_alloc_node at ffffffff800dc657
#10 [ffff8101bfab19d8] kmem_cache_alloc at ffffffff8000abeb
#11 [ffff8101bfab19f8] mempool_alloc at ffffffff800231ce
#12 [ffff8101bfab1a58] bio_alloc_bioset at ffffffff8001a9f5
#13 [ffff8101bfab1a88] dispatch_io at ffffffff881032f2 [dm_mod]
#14 [ffff8101bfab1b18] async_io at ffffffff881036a8 [dm_mod]
#15 [ffff8101bfab1b58] dm_io at ffffffff8810378d [dm_mod]
#16 [ffff8101bfab1bb8] do_write at ffffffff88125605 [dm_mirror]
bt: invalid input: "rax"
#17 [ffff8101bfab1c88] do_mirror at ffffffff88126006 [dm_mirror]
#18 [ffff8101bfab1e38] run_workqueue at ffffffff8004dc37
#19 [ffff8101bfab1e78] worker_thread at ffffffff8004a562
#20 [ffff8101bfab1ee8] kthread at ffffffff80032bdc
#21 [ffff8101bfab1f48] kernel_thread at ffffffff8005efb1
Environment
- Red Hat Enterprise Linux 5
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