Bug 21024

Summary: [855gm UXA]xrandr sometimes hangs X
Product: xorg Reporter: liuhaien <haien.liu>
Component: Driver/intelAssignee: Eric Anholt <eric>
Status: VERIFIED FIXED QA Contact: Xorg Project Team <xorg-team>
Severity: critical    
Priority: medium Keywords: NEEDINFO
Version: unspecified   
Hardware: Other   
OS: Linux (All)   
i915 platform: i915 features:
Description Flags
xorg conf file
dmesg after X hangs none

Description liuhaien 2009-04-03 00:10:21 UTC
Created attachment 24491 [details]

System Environment:
Libdrm:            (master)51d6346f9f3c425f49e57d185530c6bcaeb94f5e
Mesa:           (mesa_7_4_branch)7be149cfd131c0b3f7d4337bb83e6fba5f563bf9
Xserver:   (server-1.6-branch) 60c161545af80eb78eb790a05bde79409dfdf16e
Xf86_video_intel:               (2.7)10b5014c42dc055d9559ee112cc7a017e887d813	
Kernel:  (drm-intel-2.6.29) 0e56a4d653b66d4729f944b23935a00c4472f987 

Bug detailed description:
startx, then play a video by mplayer. in the meanwhile, run "xrandr -q", the screen turns blank and  X hangs.below message comes out when we try to restart X after "pkill -9 X":
 Failure to wait for IRQ: Device or resource busy. 
 above message exists in startx after reboot. X can not start util we poweroff the machine and do a cold boot.
 this issue can be reproduced about one in three times.

Reproduce Steps:
2. gnome-session&
3. xrandr -q
Comment 1 liuhaien 2009-04-03 00:10:52 UTC
Created attachment 24492 [details]
xorg conf file
Comment 2 Gordon Jin 2009-04-03 00:23:14 UTC
Is 855gm the only machine impacted?

dmesg please.
Comment 3 liuhaien 2009-04-03 01:16:32 UTC
Created attachment 24496 [details]
dmesg after X hangs
Comment 4 liuhaien 2009-04-03 01:18:02 UTC
(In reply to comment #2)
> Is 855gm the only machine impacted?
> dmesg please.

yes, it works well on 915gm ,945gm and g45
Comment 5 Eric Anholt 2009-07-15 14:23:06 UTC
If this still occurs with master, please include intel_gpu_dump output.
Comment 6 fangxun 2009-08-23 19:34:13 UTC
This issue can not be reproduced with below commits:

Libdrm: (master)1978f6d8d1215a9501882eb074901bcd0dfc0775
Mesa:   (master)c80bc3abcd3939e5e2d45aea4b01ff22bfec244b
Xserver: (server-1.6-branch)f274e595ed56722450f6ecebad70500c92e50c58
Comment 7 Gordon Jin 2009-08-23 22:49:44 UTC

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