[Bug 101691] [KBL] gfx corruption on windowed 3d-apps running on dGPU

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=101691

--- Comment #30 from Ethan Hsieh <ethan.hsieh at canonical.com> ---
Created attachment 133710
  --> https://bugs.freedesktop.org/attachment.cgi?id=133710&action=edit
kern.log (drm.debug=0xe)

Here is the timestamp of kern.log

--- DC mode ---
1. timestamp: 16:49
$ DRI_PRIME=1 glxgears
2. timestamp: 16:50
Stop glxgears
3. timestamp: 16:51
plug power adaptor in
--- AC mode ---
4. timestamp: 16:52
$ DRI_PRIME=1 glxgears
===> corruption!!! <===
5. timestamp: 16:53
Stop glxgears
6. timestamp: 16:54
$ glxgears
7. timestamp: 16:55
Stop glxgears

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