Red Hat Bugzilla – Bug 227741
xrandr offers non-functional resolution/refresh combo
Last modified: 2014-03-16 23:05:26 EDT
Description of problem:
]$ DISPLAY=:0 xrandr
SZ: Pixels Physical Refresh
*0 1680 x 1050 ( 569mm x 356mm ) *60
1 1280 x 1024 ( 569mm x 356mm ) 75 60
2 1152 x 864 ( 569mm x 356mm ) 75
3 1024 x 768 ( 569mm x 356mm ) 75 60
4 800 x 600 ( 569mm x 356mm ) 75 60
5 640 x 480 ( 569mm x 356mm ) 75 60
6 720 x 400 ( 569mm x 356mm ) 70
Current rotation - normal
Current reflection - none
Rotations possible - normal left inverted right
Reflections possible - none
1280x1024x75hz fails to produce a working mode. Other modes seem to work OK.
Using the intel modesetting driver.
Version-Release number of selected component (if applicable):
Created attachment 147601 [details]
could I ask for /etc/X11/xorg.conf as well, please? Thanks.
Created attachment 147669 [details]
Yeah, reproducible here. No idea why though, only thing I can think of is sync
polarity. +hsync +vsync looks wrong.
I'm seeing a similar issue with Thinkpad X60.
It appears that 'intel' is not quite getting the rates set properly.
If I set to 1280x1024@75, it seems to set it to email@example.com (as reported by
the on screen display of my two LCD monitors).
When in this mode, doing 'xrandr --rate 60' seems to make it work, but actually
sets it to firstname.lastname@example.org (or something close).
1280x1024@75 works OK with 'i810'.
This possibly related?
The upstream intel driver and Xorg have some new quirks to deal with bad sync
polarities. Would be good to re-test and see if the problems still occur.
Still happens on F8.
Changing version to '9' as part of upcoming Fedora 9 GA.
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