Public bug reported:
I run two monitors and when setting sna acceleration via xorg.conf, the
screen fails to load. One screen (screen 0 below) shows the message
indicating the resolution and/or frequency is out of range and the other
screen shows a smaller screen with just a mouse pointer and nothing
else.
Without SNA and the screens works fine and xrandr -q shows (summary)
Screen 0: minimum 320 x 200, current 3200 x 1200, maximum 8192 x 8192
VGA1 disconnected (normal left inverted right x axis y axis)
HDMI1 connected 1280x1024+1920+0 (normal left inverted right x axis y axis)
338mm x 270mm
1280x1024 60.0*+ 75.0
...
...
DP1 disconnected (normal left inverted right x axis y axis)
HDMI2 disconnected (normal left inverted right x axis y axis)
HDMI3 connected 1920x1200+0+0 (normal left inverted right x axis y axis) 519mm
x 324mm
1920x1200 60.0*+
1920x1080 60.0 30.0
1600x1200 60.0
...
DP2 disconnected (normal left inverted right x axis y axis)
DP3 disconnected (normal left inverted right x axis y axis)
Other info:
xserver-xorg-video-intel version 2:2.20.9-0ubuntu2
$ uname -a
Linux linux-one 3.5.0-18-generic #29-Ubuntu SMP Fri Oct 19 10:26:51 UTC 2012
x86_64 x86_64 x86_64 GNU/Linux
Connections are HDMI and DVI connections (HDMI1 above is the DVI
connector and HDMI3 is a HDMI)
This is on a Z68 chipset board with a Core i7 2600 with Intel HD
Graphics 2000
** Affects: xserver-xorg-video-intel (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1084245
Title:
sna acceleration fails with multiple monitors
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