https://bugzilla.novell.com/show_bug.cgi?id=360342
User sndirsch@novell.com added comment
https://bugzilla.novell.com/show_bug.cgi?id=360342#c12
--- Comment #12 from Stefan Dirsch 2008-02-12 16:36:48 MST ---
I suggest to configure in SaX2 your TFT with the native resolution (1920x1200)
and the CRT with your preferred resolution. Set color depth to 24bit.
I don't know which radeon driver and Xserver version Ubuntu uses, so the
results might be different for monitor detection might be different.
With my changes (options) I wanted to make sure that
1) 1280x1024 is forced for your TFT, which doesn't make sense with a native
resolution of 1920x1200, which I've learned now.
2) Only the TFT gets a signal. You still might see some garbage on your CRT
though.
Testing in SaX2 is sometimes dangerous, since it starts a second Xserver, which
can result in strange effects. Better just save and try afterwards.
The truncated SaX2 message is a known issue, which is still investigated in a
different bugreport.
Let me know about your results and attach
/etc/X11/xorg.conf
/var/log/Xorg.0.log
Dualhead configuration with radeon driver can be a nightmare and sometimes
doesn't work at all. :-(
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