xorg problems

[Koop Mast]

On 23-5-2012 3:46, Jeremy Messenger wrote:
> On Tue, May 22, 2012 at 7:25 PM, Koop Mast<kwm at rainbow-runner.nl>  wrote:
>> On 22-5-2012 23:48, Warren Block wrote:
>>> On Tue, 22 May 2012, Gök?in Akdeniz wrote:
>>>
>>>> If you downgrade "cairo port" it will be ok. If you update ports tree
>>>> with csup try portdowngrade. If not try to get the old version of ciaro
>>>> port as package, remove the new one and install the old one, then do
>>>> nnot upgrade the cairo port. That will keep things working untill a bug
>>>> fix is available.
>>>
>>> Yes, so far so good.  Downgraded to cairo-1.10.2_3,1 and have not seen the
>>> garbling problem again.
>>
>> Just picking the last message in the thread.
>>
>> I found a Xorg bug report about the cairo 1.12 corruption. I will
>> investigate this more closely tomorrow since I about to fall asleep. It
>> seems there is a issue in EXA. People with cairo 1.12 should try to disable
>> that and see if that helps. I think that can be done by putting the line
>> below in your xorg.conf.
>>
>> Option "NoAccel" "true"
> Yes, it's what I have collected from in Google search as well.
>
> http://lists.x.org/archives/xorg-announce/2012-May/001943.html
> --------------------
> * Pixmap (and bo leak) during fallback glyph composition
>
> * Remove broken acceleration for rendering glyphs directly upon the
>    destination pixmap, exposed by cairo-1.12.0 (and coincidentally fix
>    another Pixmap leak upon fallback handling).
> --------------------
>
> Another for xorg-server 1.12.x:
>
> https://projects.archlinux.org/svntogit/packages.git/tree/trunk/EXA_Fall_back_earlier_and_more_thoroughly_from_exaGlyphsV2.diff?h=packages/xorg-server

Can people try this and see if it fixes the problems? 
http://people.freebsd.org/~kwm/patch-cairo
Just put it in x11-servers/xorg-server/files/ and rebuild xorg-server. 
Works for both 1.7 and 1.10.

-Koop

> I can't reproduce any of bug here with nvidia-driver as I have been
> running for three or four days by now with GNOME 2, Firefox 12 and
> etc.
>
> Cheers,
> Mezz
>
>
>> -Koop
>