Regression introduced in drm/i915 kernel modules for 965GM system

[Jesse Barnes]

On Sunday, January 27, 2008 9:47 am Richard Goedeken wrote:
> Jesse,
>
> Thanks for the info.  I looked through the dri-devel archive and
> found the patch.  I patched my source, re-installed the kernel
> modules, then rebooted.
>
> I ran my emulator and glxgears quite a few times and everything
> worked ok.  I thought the problem was fixed, because with the
> unpatched code the system would slow down after running an opengl
> program only once or twice.  So I decided to test for the memory
> leak, and I found that it is still present.  I opened the system
> monitor and started glxgears.  Over about 5 minutes the memory usage
> of the glxgears process steadily creeped up to about 1GB before I
> killed it.

Hm, ok.  I'm not familiar with the memory leak problem, maybe you can 
bisect your Mesa tree to find which patch caused it?

> The last minute or so that glxgears was running, it started getting
> jerky and the frame rate dropped to <100fps.  I thought maybe it was
> swapping to disk due to the memory leak, but the disk light wasn't
> on.  After I killed the process I found that the system was extremely
> slow again, just like with the IRQ bug.  So it appears that Keith's
> patch doesn't totally fix the problem.

Ok, thanks for testing.  I'll have to get my 965GM up and running with 
the latest bits to try it out myself.

Jesse