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)
xserver-xorg-video-intel: 2.21.5_0ubuntu1
Details:
Connecting a vga screen, then changing screen's resolution rate from 1024 X 768
to 800 X 600 or vice versa, most of the time the screen will become garbage or
colorful, but several times is OK.
1) only VGA has this issue, DP hasn't this issue.
2) only SNA acceleration method has this issue, UXA hasn't this issue
** Affects: xserver-xorg-video-intel (Ubuntu)
Importance: Undecided
Status: New
** Attachment added: "dmesg with drm.debug=0xe"
https://bugs.launchpad.net/bugs/1166676/+attachment/3633932/+files/dmesg
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https://bugs.launchpad.net/bugs/1166676
Title:
[Ubuntu13.04] Screen colorful after change vga's resolution rate
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