2009/4/17 Magnus Kessler <[email protected]>: > On Friday 17 April 2009, Jesse Barnes wrote: >> On Thu, 16 Apr 2009 23:04:36 +0100 >> >> Mike Lothian <[email protected]> wrote: >> > Hi >> > >> > I've noticed some horrible screen corruption using the lastest git >> > xorg & intel stack with in X. >> > >> > I've made the screen usable by booting with i915.modeset=0 with >> > Linus's latest tree (this just gives me a back screen with the >> > intel-next tree) >> > >> > I think the problem surfaced the same time as the tiling patches >> > appeared - is there a way to disable tiling to test this? >> > >> > My 2.6.29 and last weeks git kernels would refuse to startx for very >> > long not allowing kde to start (it was possible to recognise the >> > loading screen) it would just crash X then try and start it again >> > >> > The latest intel-next tree allows KDE to start WITH the corruption now >> > when KMS is enabled. When I VT switch the consoles look fine, it's >> > only X that's corrupted >> > >> > Hope this isn't too random a bug report >> >> On GM45 you'll need >> http://git.kernel.org/?p=linux/kernel/git/anholt/drm-intel.git;a=commit;h >>=f544847fbaf099278343f875987a983f2b913134 which is currently in Eric's >> drm-intel-next branch. Otherwise in a KMS config the 2D driver will try >> to use a tiled buffer but the kernel won't set it up properly and you'll >> just get corruption. > > Even with this patch, any non-trivial OpenGL using application will lead to > a garbled screen within its own output window. The rest of the screen is > unaffected. > > If the entire screen is corrupted when KDE starts up, this is most likely > due to kwin compositing effects. Mike, can you try to set "[Compositing] > Enabled=false" in your kwinrc file and restart KDE? This should give you a > working KDE again with HEAD of xserver, although without the bling. Any > OpenGL application you start within that session (or in a plain startx > session with e.g. twm) will still be corrupted. > > For me xserver at commit 808fd2c67f303cb721769375b11ce8b90ffc1909 (just > before the DRI2 fake front buffer patches) with the memory leak fix > 7b6400a1b8d2f228fcbedf17c30a7e3924e4dd2a applied on top works quite well for > the time being. > > Magnus
Yes switching of the "bling" allows KDE to be usable - glxgears is also fine Mike _______________________________________________ xorg mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/xorg
