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Filed from caserun (https://tcms.engineering.redhat.com/case/100320)
Version-Release number of selected component (if applicable):
RHEL6.2-20110731.n.0
Steps to Reproduce:
Get your display highest supported resolution, use xrandr for example (is is
the first resolution in the list, 1400x900 in my case).
1. Run xrandr and set higher resolution that you have supported
xrandr --fb 1600x1200 --output DVI-I-1 --mode 1400x900 --panning 1600x1200
Actual results:
before panning:
[tpelka@bleabr ~]$ xrandr
Screen 0: minimum 320 x 200, current 1280 x 1024, maximum 8192 x 8192
DVI-I-1 connected 1280x1024+0+0 (normal left inverted right x axis y axis) 376mm x 301mm
1280x1024 60.0*+ 75.0
1152x864 75.0
1024x768 75.1 60.0
800x600 75.0 60.3
640x480 75.0 60.0
720x400 70.1
DVI-I-2 disconnected (normal left inverted right x axis y axis)
when only one monitor panning does not work as expected, see http://nest.test.redhat.com/mnt/qa/scratch/tpelka/2011-08-01-143116.ogv.
[tpelka@bleabr ~]$ xrandr
Screen 0: minimum 320 x 200, current 1600 x 1200, maximum 8192 x 8192
DVI-I-1 connected 1600x1200+0+0 (normal left inverted right x axis y axis) 376mm x 301mm panning 1600x1200+0+0
1280x1024 60.0*+ 75.0
1152x864 75.0
1024x768 75.1 60.0
800x600 75.0 60.3
640x480 75.0 60.0
720x400 70.1
DVI-I-2 disconnected (normal left inverted right x axis y axis)
when second monitor attached panning works as expected but it is automaticaly switched from 1600x1200 to:
[tpelka@bleabr ~]$ xrandr
Screen 0: minimum 320 x 200, current 2560 x 1024, maximum 8192 x 8192
DVI-I-1 connected 2560x1024+0+0 (normal left inverted right x axis y axis) 376mm x 301mm panning 2560x1024+0+0
1280x1024 60.0*+ 75.0
1152x864 75.0
1024x768 75.1 60.0
800x600 75.0 60.3
640x480 75.0 60.0
720x400 70.1
DVI-I-2 connected 1280x1024+1280+0 (normal left inverted right x axis y axis) 338mm x 270mm
1280x1024 60.0 + 75.0*
1152x864 75.0
1024x768 75.1 60.0
800x600 75.0 60.3
640x480 75.0 60.0
720x400 70.1
Expected results:
Make sure the screen is panned. No crashes/errors at display should appear.