irqbalance 阻塞导致的宕机

zhangmaocun

求教：这种宕机具体是什么原因造成的？

日志如下：

May 13 09:14:07 ahdb01 kernel: INFO: task irqbalance:10788 blocked for more than 120 seconds.
May 13 09:14:07 ahdb01 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
May 13 09:14:07 ahdb01 kernel: irqbalance    D ffffffff801546d1     0 10788      1         10806 10238 (NOTLB)
May 13 09:14:07 ahdb01 kernel:  ffff810270ae9c58 0000000000000086 ffff81047fe62ac0 ffff810270ae9c38
May 13 09:14:07 ahdb01 kernel:  0000000000000000 0000000000000007 ffff8102761a9100 ffffffff80314b60
May 13 09:14:07 ahdb01 kernel:  00004df24709165e 0000000000005103 ffff8102761a92e8 0000000000000007
May 13 09:14:07 ahdb01 kernel: Call Trace:
May 13 09:14:07 ahdb01 kernel:  [<ffffffff80063c53>] __mutex_lock_slowpath+0x60/0x9b
May 13 09:14:07 ahdb01 kernel:  [<ffffffff80063c9d>] .text.lock.mutex+0xf/0x14
May 13 09:14:07 ahdb01 kernel:  [<ffffffff8000d0ac>] do_lookup+0x90/0x1e6
May 13 09:14:07 ahdb01 kernel:  [<ffffffff8000a2e3>] __link_path_walk+0xa3a/0xfd1
May 13 09:14:07 ahdb01 kernel:  [<ffffffff800a2e8b>] wake_bit_function+0x0/0x23
May 13 09:14:07 ahdb01 kernel:  [<ffffffff8000eb88>] link_path_walk+0x45/0xb8
May 13 09:14:07 ahdb01 kernel:  [<ffffffff8000ce9c>] do_path_lookup+0x294/0x310
May 13 09:14:07 ahdb01 kernel:  [<ffffffff8012ee6f>] selinux_file_alloc_security+0x2a/0x54
May 13 09:14:07 ahdb01 kernel:  [<ffffffff80023959>] __path_lookup_intent_open+0x56/0x97
May 13 09:14:07 ahdb01 kernel:  [<ffffffff8001b1d6>] open_namei+0x73/0x718
May 13 09:14:07 ahdb01 kernel:  [<ffffffff80067225>] do_page_fault+0x4cc/0x842
May 13 09:14:07 ahdb01 kernel:  [<ffffffff8002771b>] do_filp_open+0x1c/0x38
May 13 09:14:07 ahdb01 kernel:  [<ffffffff8001a089>] do_sys_open+0x44/0xbe
May 13 09:14:07 ahdb01 kernel:  [<ffffffff8005d28d>] tracesys+0xd5/0xe0
May 13 09:14:07 ahdb01 kernel:
May 13 09:14:07 ahdb01 kernel: INFO: task nautilus:12300 blocked for more than 120 seconds.
May 13 09:14:07 ahdb01 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.

q1208c

你的机器是上是用了 multipath 还是用了 bonding ?

zhangmaocun

回复 2# q1208c
multipath是处于stop状态
服务器只有一个网卡