内核出错，重启系统后应用运行正常

jason0127

服务器上运行mysql，出现以下错误，然后，ssh登录不上，但能够ping通，重启系统后不再出错．请问这是什么原因啊？？



ep 24 10:54:47 waptx33 kernel: Unable to handle kernel NULL pointer dereference at virtual address 0000000c
Sep 24 10:54:47 waptx33 kernel:  printing eip:
Sep 24 10:54:47 waptx33 kernel: f886664d
Sep 24 10:54:47 waptx33 kernel: *pde = 00004001
Sep 24 10:54:47 waptx33 kernel: Oops: 0002 [#1]
Sep 24 10:54:47 waptx33 kernel: SMP
Sep 24 10:54:47 waptx33 kernel: Modules linked in: nfsd exportfs lockd sunrpc md5 ipv6 dm_mod button battery ac uhci_hcd ehci_hcd tg3 floppy ext3 jbd cciss s
d_mod scsi_mod
Sep 24 10:54:47 waptx33 kernel: CPU:    0
Sep 24 10:54:47 waptx33 kernel: EIP:    0060:[<f886664d>]    Not tainted VLI
Sep 24 10:54:47 waptx33 kernel: EFLAGS: 00010282   (2.6.9-5.ELsmp)
Sep 24 10:54:47 waptx33 kernel: EIP is at journal_commit_transaction+0x442/0xfb1 [jbd]
Sep 24 10:54:47 waptx33 kernel: eax: d93e00ec   ebx: 00000000   ecx: f74c0c80   edx: d93e011c
Sep 24 10:54:47 waptx33 kernel: esi: c359b600   edi: dc30e3ec   ebp: f59fe300   esp: f74bedf0
Sep 24 10:54:47 waptx33 kernel: ds: 007b   es: 007b   ss: 0068
Sep 24 10:54:47 waptx33 kernel: Process kjournald (pid: 218, threadinfo=f74be000 task=f75fe630)
Sep 24 10:54:47 waptx33 kernel: Stack: 00000001 00000000 00000000 00000000 00000000 00000000 f329244c c359b600
Sep 24 10:54:47 waptx33 kernel:        f329298c 00000702 00000000 f75fe630 c011e912 f74bee44 f74bee44 f7dcbb40
Sep 24 10:54:47 waptx33 kernel:        c3611028 f76d772c 00000000 f75fe630 c011e912 f74bee44 f74bee44 002dc9ae
Sep 24 10:54:47 waptx33 kernel: Call Trace:
Sep 24 10:54:47 waptx33 kernel:  [<c011e912>] autoremove_wake_function+0x0/0x2d
Sep 24 10:54:47 waptx33 kernel:  [<c011e912>] autoremove_wake_function+0x0/0x2d
Sep 24 10:54:47 waptx33 kernel:  [<f8868e6d>] kjournald+0xc7/0x215 [jbd]
Sep 24 10:54:47 waptx33 kernel:  [<c011e912>] autoremove_wake_function+0x0/0x2d
Sep 24 10:54:47 waptx33 kernel:  [<c011e912>] autoremove_wake_function+0x0/0x2d
Sep 24 10:54:47 waptx33 kernel:  [<c011bd5d>] schedule_tail+0x12/0x55
Sep 24 10:54:47 waptx33 kernel:  [<f8868da0>] commit_timeout+0x0/0x5 [jbd]
Sep 24 10:54:47 waptx33 kernel:  [<f8868da6>] kjournald+0x0/0x215 [jbd]
Sep 24 10:54:47 waptx33 kernel:  [<c01041f1>] kernel_thread_helper+0x5/0xb
Sep 24 10:54:47 waptx33 kernel: Code: 00 00 e8 63 2c 8f c7 8b 54 24 14 89 d8 e8 88 0b 00 00 89 f0 e8 e5 e7 a5 c7 83 7d 18 00 0f 84 1f 01 00 00 8b 45 18 8b 78
20 8b 1f <f0> ff 43 0c 8b 03 a8 04 74 5a 8b 4c 24 1c 8d 81 e4 00 00 00 e8

qtdszws

内核日志守护进程失败，错误在
Sep 24 10:54:47 waptx33 kernel: EIP is at journal_commit_transaction+0x442/0xfb1 [jbd]

查查,可能是一个bug