Re: System crash troubleshooting help?

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On बुधवार, ६ जानेवारी, २०१६ १०:५४:०७ म.उ. IST Aron Widforss wrote:
> Good evening all,
> 
> I was just watching Linux Sucks
> (https://www.youtube.com/watch?v=5pOxlazS3zs) on Youtube when my system
> froze. It was the whole system, I could for example not switch to a TTY.
> The audio was looping a one second thing.
> 
> My troubleshooting skills are no pride to me, so I though I could just
> ask you for help. These are the last entries in the journal (in
> reverse). Did my system just crash because of a DHCP request? Or should
> I focus on the kwin error, which is the very last one?
> 
> I will probably not be available to answer to anything during the next
> 20 hours.

most importantly, can you reproduce the lockup?  That would be needed to try 
various fixes/workarounds


You have i915 graphics. Are you using uxa? That could avoid some lockups.

$ cat /etc/X11/xorg.conf.d/20-intel.conf 
Section "Device"
   Identifier  "Intel Graphics"
   Driver      "intel"
   Option      "AccelMethod"  "uxa"
EndSection


and are you using any window decoration other than default? I found that 
plastic can cause kwin crash rather regularly but it was not a lockup.

Furthermore, in kwin settings, what opengl backend is configured? Does 
changing to a lower version help? Newer standards of opengl could expose some 
bugs in the stack.

HTH.

-- 
Regards
 Shridhar


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