Bug 64695 - Enabling both MLAA and MLAA color 2D crashes Gnome Shell on Cayman (6950)
Summary: Enabling both MLAA and MLAA color 2D crashes Gnome Shell on Cayman (6950)
Status: RESOLVED FIXED
Alias: None
Product: Mesa
Classification: Unclassified
Component: Drivers/Gallium/r600 (show other bugs)
Version: git
Hardware: Other All
: medium major
Assignee: Default DRI bug account
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Reported: 2013-05-17 03:42 UTC by Alexandre Demers
Modified: 2013-07-31 23:55 UTC (History)
1 user (show)

See Also:
i915 platform:
i915 features:

Attachments
Improved error handling for post-process code (23.47 KB, patch)
2013-06-24 14:33 UTC, Brian Paul 		Details | Splinter Review
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Description Alexandre Demers 2013-05-17 03:42:17 UTC 
Forcing MLAA through driconf on Cayman 6950 crashes Gnome Shell if both mlaa and mlaa color (2D) are set (tested with both set to 8). If one of them is not set, Gnome Shell doesn't crashes.

MLAA color (2D) seems to have an effect on my Gnome Shell display. Tested with mesa's commit 7e17e72cb716c56264d4778684f6f23de69a56a1.
Comment 1 Alex Deucher 2013-05-17 12:25:11 UTC 
What do you mean by crash?  system hang?  segfault?
Comment 2 Alexandre Demers 2013-05-17 12:31:06 UTC 
Sorry, I just had time to copy what I had reported in bug 56534. Gnome Shell ends up with a "Oops". I'll dig in logs to search for more clues.
Comment 3 Brian Paul 2013-06-24 14:33:45 UTC 
Created attachment 81345 [details] [review]
Improved error handling for post-process code

I don't know if this patch will help with your issue, but please give it a try.
Comment 4 Brian Paul 2013-06-27 15:43:26 UTC 
I'm going to push this patch since it fixes some issues we've seen here.
Comment 5 Alexandre Demers 2013-06-28 14:00:14 UTC 
Sorry for not replying sooner. I've been moving to a new home and doing some renovations. I'll test it during the weekend to let you know if this helps me with anything.
Comment 6 Alexandre Demers 2013-07-12 02:57:55 UTC 
Quickly tested with today's git and it still does the same "Oops". However, KDE doesn't have any problem to load. I'll give more info soon, I just don't have much time right now.
Comment 7 Marek Olšák 2013-07-30 21:46:09 UTC 
This bug should be fixed with latest Mesa git now. Please confirm.
Comment 8 Alexandre Demers 2013-07-31 15:03:54 UTC 
(In reply to comment #7)
> This bug should be fixed with latest Mesa git now. Please confirm.

I'll do as soon as the bison3 patches get pushed in the git tree.
Comment 9 Alexandre Demers 2013-07-31 23:55:20 UTC 
Tested and it now works correctly

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