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[Bug 761065] Re: [Sandybridge] Spurious "*ERROR* Hangcheck timer elapsed... blt ring idle" messages in dmesg when using compiz

 

Have also tested this on a ASRock H67M-ITX with i3-2100T and i5-2500T.
Exact same symptom. I'm pretty sure now all "Sandy Bridge" internal GPUs
are affected, at least with H67 chipset. This looks serious to me as
almost all new PCs are sold with "Sandy Bridge". Using development
Kernel 2.6.39 isn't a good solution for "Sandy Bridge" owners i guess.
Any chance to get the patch from 2.6.39 back in 2.6.38 ? I'm willing to
help with testing.

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https://bugs.launchpad.net/bugs/761065

Title:
  [Sandybridge] Spurious "*ERROR* Hangcheck timer elapsed... blt ring
  idle" messages in dmesg when using compiz


References