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

 

The fix in #18 solves micro-freeze problems with OpenGL (i.e. games), but it does not solve them for normal usage.
For example, it has locked up 3 times during the writing of this message.

Also note, I have 'noapic' in my GRUB config as well, as that is the only way I can get my laptop to successfully boot.
The full line is: 

GRUB_CMDLINE_LINUX_DEFAULT="quiet splash noapic i915.semaphores=1"

Bug #806434 has the full specs of my laptop for those who are
interested.

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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

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