Bug 22396

Summary: [KMS i915] ut2004-demo crash the system
Product: Mesa Reporter: zhao jian <jian.j.zhao>
Component: Drivers/DRI/i915Assignee: Eric Anholt <eric>
Status: VERIFIED FIXED QA Contact:
Severity: critical    
Priority: high CC: kui.zheng
Version: unspecifiedKeywords: NEEDINFO, regression
Hardware: Other   
OS: Linux (All)   
Whiteboard:
i915 platform: i915 features:
Attachments: xorg.conf
xorg.0.log

Description zhao jian 2009-06-21 02:26:30 UTC
Created attachment 26989 [details]
xorg.conf

System Environment:
--------------------------
Host:           945GM
Arch:           i386
Libdrm:         (master)2fa2db138ba989bfa1a8cd9ab66d83fb7369249e
Mesa:           (master)df70d3049a396af3601d2a1747770635a74120bb
Xserver:                (master)ae20e748cd3a656173e1f50109bfd4af0712bb87
Xf86_video_intel:        (master)0b7522372c82cd3b485c7e81867ccdbb710451e8

Bug detailed description:
--------------------------
start X and run ut2004-demo, then it will crash the system leaving there a blurred screen. It failed both with KMS and UMS. On G45, it didn't crash the system, but sometimes has a black screen. And its log is unreadable. 
[root@x-945gm ~]# ut2004
WARNING: ALC_EXT_capture is subject to change!
libGL: OpenDriver: trying /opt/X11R7/lib/dri/i915_dri.so
Xlib:  extension "XiG-SUNDRY-NONSTANDARD" missing on display ":0.0".


Reproduce steps:
----------------
1.xinit &
2. run ut2004(or its demo, benchmark.sh)
Comment 1 zhao jian 2009-06-21 02:27:03 UTC
Created attachment 26990 [details]
xorg.0.log
Comment 2 zhao jian 2009-06-21 02:33:33 UTC
And it works well with our RC2 image: 
Libdrm:         (master)2fa2db138ba989bfa1a8cd9ab66d83fb7369249e
Mesa:           (mesa_7_5_branch)8f382fd3f396e182255fe084bc32648b98ca1d94
Xserver:         (server-1.6-branch)6be19e8f43086fb4b7fb30a47b89b5f3eed798ef
Xf86_video_intel: (master)b5cd2130f97591f4a387db1b98c940c30bc6404c
Comment 3 Gordon Jin 2009-06-22 23:17:14 UTC
Jian to bisect, if this also exists on mesa_7_5_branch tip.
Comment 4 zhao jian 2009-06-26 02:14:36 UTC
It works well now. with the following configuration: 
Libdrm:         (master)790097c51330090b2b7b90429b9ab8ddf259fd8e
Mesa:           (master)cdbcb051d93836861bc4d4e1027156111ac249d2
Xserver:                (master)9480725af0275b72b24b9e1cb3b68d5b97288d01
Xf86_video_intel:       (master)f0270bbb47baed78a0ff6189ae20d3ac322ec02b
Kernel:                 (for-linus)  0e7ddf7eeeef5aea85412120539ab5369577faeb

Use of freedesktop.org services, including Bugzilla, is subject to our Code of Conduct. How we collect and use information is described in our Privacy Policy.