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I am having this weird problem where my system will either restart all of a sudden or just freeze. Sometimes it just gets me logged out of Ubuntu and I have to login again.

Not sure if its related, but sometimes programs crash too. Chrome (can be becuause of dev version), Skype etc.

Are there any logs which I can check what happened or if something crashed/failed.

Any tests that I should try running? Memtest or some HDD related perhaps?

P.S. I am running 10.10

Edit: The issue has become more serious now. I just faced the issue 10+ times in the last 15 minutes. Twice it got hang and other times I got logged out for no reason. When the system got hang this time, I saw that Caps lock & Scroll lock were blinking.

Could it be because of some programs?

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closed as off topic by Stefano Palazzo Feb 1 '12 at 11:28

Questions on Ask Ubuntu are expected to relate to Ubuntu within the scope defined by the community. Consider editing the question or leaving comments for improvement if you believe the question can be reworded to fit within the scope. Read more about reopening questions here.If this question can be reworded to fit the rules in the help center, please edit the question.

    
Can you list all the third-party programs that you have installed? –  alexy13 Apr 27 '11 at 22:05
    
@alexy13 Since 11.04 is out, I will try doing a fresh install. It would be better not to have to debug this down. If the problem comes up again, somehow because of what I have installed & using, then I will get back to this question. –  Ashfame Apr 30 '11 at 8:50
    
I did a fresh install of 11.04 so this problem is solved but I will leave the question open in case someone wants to fill in the details of how to troubleshoot in such a case. –  Ashfame May 2 '11 at 11:07
    
This question should instead be filed as a bug report, thanks! Instructions here. –  Jorge Castro Feb 1 '12 at 3:10
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