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se7enOffline
Post subject: Random freezes  PostPosted: 19.06.2011, 12:16



Joined: 2010-09-11
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I am experiencing random freezes and an extreme unstable system since kernel 38.
      Code:
Host/Kernel/OS  "dellbox" running Linux 2.6.39-1.slh.5-aptosid-amd64 x86_64 [ aptosid 2011-01 Γῆρας - kde-full - (201102052200) ]
CPU Info        4x Intel Core i5 M 520 @ 3072 KB cache flags( sse3 ht nx lm vmx ) clocked at [ 1199.000 MHz ]
Videocard       ATI M92 [Mobility Radeon HD 4500/5100 Series]  X.Org 1.10.2  [ 1600x900@60.0hz, 1366x768@60.0hz ]
Network cards   Broadcom NetLink BCM57780 Gigabit PCIe
Processes 235 | Uptime 23min | Memory 1700.6/3829.6MB | HDD WDC WD5000BEVT-7 Size 500GB (80%used) | GLX Renderer Gallium 0.4 on AMD RV710 | GLX Version Yes | Client Shell | Infobash v3.36

My computer is running 24/7. With some kernel I have freezes only once a week, some other twice a day.
I am not even trying to understand what went wrong. I will wait for the new release and get the things fix with a new install.

BUT I am wondering.
I always believed that "Raising Skinny Elephants Is Utterly Boring" could shut down a unresponsive system ALWAYS safely. And with this freezes is not the case.
So I know that even the "Elephants" can not save a kernel panic. So is it possible that I experience a kernel panic without the kernel panic output?

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cid-babaOffline
Post subject: RE: Random freezes  PostPosted: 19.06.2011, 13:49



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I don't know if it helps:

I had similar problems half a year ago - the problem was the graphics card. It died "slowly". It all began with random freezes (without any output, the screen simply froze, nothing in the logs, and Magic SysRq didn't help either) The freezes became more freqent, and one day, every loggin brougt a freeze (maybe because of desktop-effects, don't know)

I bought a new card - no single freeze since then.

So maybe it's a hardware-failure? But I'm not an expert, and there might be millions of other reasons for freezes...
 
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devilOffline
Post subject: RE: Random freezes  PostPosted: 19.06.2011, 15:12



Joined: 2010-08-26
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same thing happened here with a dying PSU over the course of 6 months.

greetz
devil
 
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gerdOffline
Post subject: RE: Random freezes  PostPosted: 19.06.2011, 15:25



Joined: 2010-09-13
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At the moment (and last weeks) i have no freezes (also 24/7).
But some months ago i had also many freezes. I suspected X and nvidia binary driver or kernel didn't found the reason and after one du all was ok again. I don't remember exactly but i think with this du x or/and nvidia were updated too.
 
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slamOffline
Post subject: RE: Random freezes  PostPosted: 19.06.2011, 15:36
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In most cases random freezes do have their source in hardware dying, so examine it part by part. Software is almost never the reason - but different software might have different demands on hardware. That's why changes in software might change the freeze behaviour.
Greetings,
Chris

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dptOffline
Post subject: RE: Random freezes  PostPosted: 19.06.2011, 16:45



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Maybe run a Live CD for a few hours.
You will know if it is hardware problem or not.

And nice to see you slam in your new avataar.

dpt

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se7enOffline
Post subject: RE: Random freezes  PostPosted: 20.06.2011, 00:28



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For the first time I hope you are all wrong Sad

Thanks I did try kubuntu (no aptosid iso) live for a couple of hours and installed it after I had no crashes, but did never try it for a longer time. I will try kubuntu for the next couple of days and see if that fixes the crashes.

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piperOffline
Post subject: RE: Random freezes  PostPosted: 20.06.2011, 14:47
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kubuntu, ouch .... Wink

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dptOffline
Post subject: RE: Random freezes  PostPosted: 20.06.2011, 15:56



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Maybe try W$.
And I am not joking.

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