Public bug reported:
Have been running Kubuntu 13.10 beta2 for 1 day now and have had 3
similar crashes that totally hang the machine.
Oct 12 07:00:03 linux1 kernel: [50255.577404] nouveau E[ PFIFO][0000:01:00.0]
CACHE_ERROR - ch 4 [kwin[2218]] subc 3 mthd 0x1b00 data 0x00000000
Oct 12 07:01:20 linux1 kernel: [50333.062989] nouveau E[Xorg[1486]] failed to
idle channel 0xcccc0000 [Xorg[1486]]
Have not had any previous problems running 13.04.
Machine is an AMD64
Description: Ubuntu Saucy Salamander (development branch)
Release: 13.10
Was not doing anything special, and in fact one crash happened while the
machine was idle overnight.
** Affects: xserver-xorg-video-nouveau (Ubuntu)
Importance: Undecided
Status: New
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which is subscribed to xserver-xorg-video-nouveau in Ubuntu.
https://bugs.launchpad.net/bugs/1239182
Title:
Crashes in nouveau CACHE_ERROR
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