This issue happens on intel gpu also. I tried several BDW and SKL
integrate GPU machines, all of them have this issue.
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https://bugs.launchpad.net/bugs/1492753
Title:
Screen
Public bug reported:
SharkBay(Desktop):
BIOS:HSWLPTU1.86C.0092.R02.1209220303
Kernel: 3.8.0-12-generic
OS: Ubuntu Raring Ringtail (development branch)
SharkBay(Mobile):
BIOS:HSWLPTU1.86C.0097.R00.1210222040
Kernel: 3.8.0-12-generic
OS: Ubuntu Raring Ringtail (development branch)
** Attachment added: garbage screen after change resolution rate
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1166676/+attachment/3633940/+files/IMG_20130409_155711.jpg
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Public bug reported:
SharkBay(Desktop):
BIOS:HSWLPTU1.86C.0092.R02.1209220303
Kernel: 3.8.0-12-generic
OS: Ubuntu Raring Ringtail (development branch)
SharkBay(Mobile):
BIOS:HSWLPTU1.86C.0097.R00.1210222040
Kernel: 3.8.0-12-generic
OS: Ubuntu Raring Ringtail (development branch)
SharkBay-ULT:
** Attachment added: i915_error_state
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1156679/+attachment/3582554/+files/i915_error_state
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when I run apport-collect 1156679 command, system report connection timeout
error. I paste the i915_error_state and dmesg.
In demsg kernel set vga mode to 800X600 at 225.597737, then GPU hang at
233.865146
** Attachment added: dmesg_error
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