[Bug 26302] [M7 LW] desktop runs out of video memory on ATI Radeon Mobility 7500

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=26302

--- Comment #28 from Alex Deucher <agd5f at yahoo.com> 2010-10-22 11:14:26 PDT ---
(In reply to comment #27)
> The fix for this bug causes issues in RV515 , the patch was cherry-picked to
> fix the issue in Ubuntu in kernel 2.6.32-19-generic #28-Ubuntu .
> 
> The whole guest session starts flickering and is totally unusable.
> A video capture of the issue :
> http://launchpadlibrarian.net/56913353/P1010994.MOV
> 
> Downstream bug report with other info :
>  https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/652934
> 
> Seems I'm a bit late, the only reason i was able to narrow down the issue was
> because the problem did not exist in the mainline kernel, but this fix seems to
> have been merged in mainline too now :(

Have you verified that the upstream kernel has the same issue as the ubuntu
one?  The patch that went upstream was slightly different than the one posted
here.

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