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SubjectRe: Kernel Linux 2.6.23.16 hangs when run updatedb
cc'd: Thomas Gleixner
cc'd: Ingo Molnar
About hrtimer comment by Alan Jenkins



Alan Jenkins wrote:
> Renato S. Yamane wrote:
>> devzero@web.de wrote:
>>> Renato S. Yamane wrote:
>>>> when cron start updatedb daemon, my machine hangs. None key work, so I
>>>> need reset (press power button to restart).
>>>>
>>>> The only way to get log is runing updatedb from terminal (CTRL + ALT +
>>>> F1) and take a picture from screen:
>>>>
>>>> Up screen:
>>>> <http://img137.imageshack.us/img137/7128/01pg1.jpg>
>>>>
>>>> Down screen:
>>>> <http://img100.imageshack.us/img100/1456/02kx1.jpg>
>>>>
>>>> Call trace detail:
>>>> <http://img100.imageshack.us/img100/8233/calltracedetailsj7.jpg>
>>>
>>>
>>> looks like reiserfs issue.
>>> maybe corrupt filesystem and improper handling of the reiserfs-driver?
>>>
>>> could you try some "find /" ?
>>
>>
>> "find /" don't hangs my machine.
>> The problem is only with updatedb.
>>
>> How can I fix this? Is safe run reiserfsck?
>
>
> I think he's wrong.
>
> Looking at the call trace, the BUG happens during an interrupt. It
> could be a coincidence that the interrupt happened during this
> particular system call.
>
> It looks like a timer callback has been corrupted / set to an invalid
> value. The BUG is due to accessing the invalid address 61060fe0
> within enqueue_hrtimer, and the EIP (instruction pointer) is also
> equal to 61060fe0. This would be consistent with the source code of
> enqueue_hrtimer. It's not an obvious reiserfs issue.
>
> I don't know how to find out where this corruption is happening, but
> it's worth asking the hrtimers people.



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