Bug 748403

Summary: piglit quick-driver test hung whole PC
Product: Red Hat Enterprise Linux 6 Reporter: Tomas Pelka <tpelka>
Component: xorg-x11-drv-mgaAssignee: Adam Jackson <ajax>
Status: CLOSED WONTFIX QA Contact: Desktop QE <desktop-qa-list>
Severity: low Docs Contact:
Priority: medium    
Version: 6.2   
Target Milestone: rc   
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
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Fixed In Version: Doc Type: Bug Fix
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Last Closed: 2011-12-14 22:09:34 UTC Type: ---
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description Tomas Pelka 2011-10-24 11:09:54 UTC 
Description of problem:
piglit quick-driver test hung whole PC, PC becomes unresponding.

from dmesg:
Oct 24 13:00:59 localhost kernel: [drm:mga_dma_reset] *ERROR* mga_dma_reset called without lock held, held  0 owner ffff8800756d2c00 ffff8800756d2c00
Version-Release number of selected component (if applicable):

from Xorg.log:
[   377.054] (EE) MGA(0): [dri] Idle timed out, resetting engine...

How reproducible:
100%

Steps to Reproduce:
1. See https://tcms.engineering.redhat.com/case/100321
2.
3.
  
Actual results:
hung

Expected results:
should go through piglit tests

Additional info:
Happen also during mesa-demos (test case at https://tcms.engineering.redhat.com/case/107888)
Comment 1 Tomas Pelka 2011-10-24 11:11:25 UTC 
Hmm it seems that is hangs because of rsyslog which is overloaded with messages from kernel and will eat all available resources.
Comment 3 Adam Jackson 2011-12-14 22:09:34 UTC 
No plans to ever fix mga 3D, closing.