ubuntu-x-swat team mailing list archive

[Geir Ove Myhr <gomyhr@xxxxxxxxx>]

ullix, all your logs show a connection on the TV-port. It is a common
problem that something is detected on the TV-connection when in fact
nothing is connected there, but since you have a TV there sometimes,
could you just verify that there is indeed no TV connected? For
troubleshooting we would like to remove any complicating factors that
doesn't influence the result, so for reporting here it would be nice if
you do so without the TV connected. If the logs (Xorg.0.log and xrandr
output) still show TV as connected, you may explicitly disable it with
an xorg.conf (see
https://wiki.ubuntu.com/X/Quirks#Ignore%20TV%20Output%20Quirk).

There may be some mode changes going on that we can't see in Xorg.0.log.
It may show up in the output of `dmesg`. Could you: 1. Cold boot your
computer, 2. Wait a few minutes after Xorg starts (so that it is easier
to distinguish boot messages from other messages in the log), 3. Switch
between VT1 (Ctrl-Alt-F1) and the desktop (Ctrl-Alt-F7) a 4-5 times. 4.
Log in and attach the output of `dmesg` here.

It's nice that your OSD shows the exact mode H- and V-frequency and sync
polarity. Could you tell us what exact mode is used when at VT1? (by
attaching another picture if you want) Is this the same mode that works
fine in "other setups"?

To help isolate the problem it would be nice if you could tell us whether this works in some other configurations:
- In any of the other 1024x768 modes listed? I think the way to change this would be `xrandr --mode 0x3d` and `xrandr --mode 0x3e`. You should get the starting mode with  `xrandr --mode 0x3f`. I'm not 100 % sure the syntax is right and I don't have a linux machine to test on right now.
- With UMS (Userland Mode Setting) instead of KMS (Kernel Mode Setting). To use UMS, press Esc at boot and 'e' at the boot menu to edit the boot parameters and add the parameter i915.modeset=0.
- With any previous versions of ubuntu or other linux distribution if you have tried that before.

-- 
[ubuntu karmic] intel-video finds correct screen size but sets it incorrectly
https://bugs.launchpad.net/bugs/413788
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which is subscribed to xserver-xorg-video-intel in ubuntu.