[ubuntu-in] system has become unstable

[Gaurish Sharma]

Hi,
I would suggest you to play safe and back-up all your data on sda.

Regards,
Gaurish Sharma
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On Wed, Aug 6, 2008 at 9:11 AM, Rohit V Bhute <rvbhute at gmail.com> wrote:
> Mehul Ved wrote:
>> Have you run memtest on the RAM?
>> My next suspect would be the hard disk? You can run smart and see what
>> it returns. http://www.linuxjournal.com/article/6983
>>
>
> 'sudo smartctl -l error /dev/sda' gave a list of errors. Latest error
> recorded was 12.
>
> http://pastebin.com/f32a37289
>
> My other hard disk on /dev/sdb has ZERO errors. One pass in memtest gave
> ZERO errors in RAM.
>
> Ubuntu forums is having a down time right now(!?), but a gist of google
> results imply impending disk failure...
>
> Surprising thing is my machine works just fabulous when it is not acting up.
>
> On going through /var/log/messages, I found the following log before the
> various restarts:
>
> ++
> Aug  5 09:10:51 mark2 kernel: [   55.341694] Clocksource tsc unstable
> (delta = -236835484 ns)
> Aug  5 09:15:43 mark2 exiting on signal 15
> ++
>
> http://pastebin.com/f307b6625
>
> On 5th August, between 8:30 to 10 AM and between 7:30 to 9:30 PM when
> the instability occurred, there was a bunch of these unstable messages.
> --
> Rohit V. Bhute
> http://rvbhute.org
>
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