Comment 6 for bug 1041790
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| Bryce Harrington (bryce) wrote Re: [sandybridge-m-gt2] GPU lockup IPEHR: 0x0b160001 IPEHR: 0x0b140001 | #6 |
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a60fb26
(Get the code!)
SNA is not the default for quantal. No, there is not a way to toggle between UXA and SNA at run time. /var/log/Xorg.0.log is where to look to see which acceleration tech is active.
If I understand your testing feedback, you do believe SNA helps eliminate the freeze behaviors, and thus we can consider UXA the likely source of the bug.