Bug 92173

Summary: [regression, bisected] commit 266d05a broke WebGL-Water Caustics on NI/Turks (6670)
Product: Mesa Reporter: Dieter Nützel <Dieter>
Component: Mesa coreAssignee: mesa-dev
Status: RESOLVED DUPLICATE QA Contact: mesa-dev
Severity: major    
Priority: medium    
Version: git   
Hardware: x86-64 (AMD64)   
OS: Linux (All)   
Whiteboard:
i915 platform: i915 features:
Attachments: WebGL-Water with broken caustics

Description Dieter Nützel 2015-09-29 01:56:54 UTC 
Created attachment 118509 [details]
WebGL-Water with broken caustics

WebGL-Water show broken or NO Caustics on NI/Turks (6670) since commit 266d05a.
Sometimes GPU hangs and/or slow down badly.

git revert 266d05a
Works again.

git bisect show this:
/opt/mesa> git bisect bad
266d05a3a0651ac954c91aea12c870940e8a9820 is the first bad commit
commit 266d05a3a0651ac954c91aea12c870940e8a9820
Author: Tapani Pälli <tapani.palli@intel.com>
Date:   Fri Sep 25 09:56:39 2015 +0300

    glsl: fix packed varyings interface type and add default case
    
    fixes Piglit test:
       arb_program_interface_query/linker/query-varyings.shader_test
    
    Signed-off-by: Tapani Pälli <tapani.palli@intel.com>
    Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>

:040000 040000 4ab4878fd41868c4b674c13f833b82d089ce971f d8ef9c2c4746a610989e7dfe24552d044e914a9b M src
Comment 1 Tapani Pälli 2015-09-30 17:28:09 UTC 
this bug is likely a duplicate for #92122
Comment 2 Tapani Pälli 2015-09-30 17:51:28 UTC 
(In reply to Tapani Pälli from comment #1)
> this bug is likely a duplicate for #92122

having said that it seems unlikely that the bug would cause gpu hangs or slow downs but likely just wrong rendering, there might be some other issue as well
Comment 3 Dieter Nützel 2015-09-30 21:49:46 UTC 

*** This bug has been marked as a duplicate of bug 92122 ***

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