Created attachment 17924 [details] xorg.0.log System Environment: -------------------------- --Platform:GM45 --Architecture:64-bit --2D driver: Xf86-video-intel-2.4branch b9250913ab57ecade1c3011415c666e8516fce47 --3D driver:Mesa-7.0branch 97eb33529ae2f96220eec5238d8d0e9a07ce91d5 --DRM: shipped with kernel-2.6.26-rc9 --Xserver:xserver-1.4branch c3a7903f6a6a27e53ba0372408e0c5a68c608e86 --Kernel: 2.6.26-rc6 Bug detailed description: -------------------------- start X,sometimes it will crash with a lot of error as below: (EE) intel(0): underrun on pipe A! (EE) intel(0): underrun on pipe B! (EE) intel(0): underrun on pipe A! (EE) intel(0): underrun on pipe B! (EE) intel(0): underrun on pipe A! (EE) intel(0): underrun on pipe B! (EE) intel(0): underrun on pipe A! (EE) intel(0): underrun on pipe B! Reproduce steps: ---------------- X& Current result: ---------------- X crash. Expected result: ---------------- start X normally.
Created attachment 17925 [details] xorg conf file
It's regression. But it's hard to bisect as it's not always reproducible.
Describe your output connections.
Zhenyu, there's only VGA on Cantiga SDV.
Created attachment 17978 [details] [review] disable dsparb on new hw please test this patch on GM45/G45.
I have tried to start X more than 10 times with zhengyu's patch ,and it works well now.
ok, patch's pushed.
verified.
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