Bug#655152: [drm:intel_prepare_page_flip] *ERROR* Prepared flip multiple times
Hi Jonathan,
Finally I got around to test this patch. While the system if fine for office work, cloning linux.git or compiling kernels takes hours.
> Please test the attached patch against a 3.2.y kernel, for example
> using the following instructions:
Done with testing, results below. These instructions were really good and easy to use, thanks for that!
> 3. configure, build, test:
>
> git checkout stable/linux-3.2.y
> cp /boot/config-$(uname -r) .config; # current configuration
> scripts/config --disable DEBUG_INFO
> make localmodconfig; # optional: minimize configuration
> make deb-pkg; # optionally with -j<num> for parallel build
> dpkg -i ../<name of package>; # as root
> reboot
> ...test test test ...
I compiled 3.2.28, and it reproduces the bug within the first minute after boot and the logs are full of the error message.
> 4. try the patch:
>
> cd linux
> git am -3sc /path/to/the/patch
> make deb-pkg; # maybe with -j4
> dpkg -i ../<name of package>; # as root
> reboot
> ... test test test ...
The patch fixes the problem. I've run more than 30 minutes without a single occurrence of the error message in the logs. Everything I tested seems to be still working, Graphics, Suspend, etc.
Sten
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