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Message #134903
[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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References