Well, you could try a simpler xorg.conf to see what happens. I'm
surprised the last one I posted didn't work, because it's the xorg.conf
I had used for years on Gentoo Linux with a Radeon 9500 (without the
input devices sections which were removed because now input devices are
handled by HAL instead of X.Org). Anyway, I'm pretty sure of the monitor
section, so you could try of this xorg.conf with the open source radeon
driver, the same as the original one, but with the monitor section
updated:
Section "Device"
Identifier "Configured Video Device"
EndSection
Section "Monitor"
Identifier "PLE2407HDS"
HorizSync 29-81
VertRefresh 55-76
Option "VendorName" "IVM"
Option "ModelName" "PLE2407HDS"
Option "DPMS" "true"
Option "PreferredMode" "1920x1080"
Option "TargetRefresh" "60"
Option "Position" "0 0"
Option "Rotate" "normal"
Option "Disable" "false"
Modeline "1920x1080" 148.50 1920 2008 2052 2200 1080 1084 1089 1125
-hsync +vsync
EndSection
Section "Screen"
Identifier "Default Screen"
Monitor "PLE2407HDS"
Device "Configured Video Device"
EndSection
Anyway, if it doesn't work, if it's still hung on startup, then you
reboot in a recovery kernel, and then you get the root prompt. After you
use the command "startx", it will try to start X. If there is a problem,
you will finish after some time to be back at the root prompt, but at
least you'll get the X.org.0.log for the last X session in /var/log .
Then save it somewhere and then post it to me.
--
Iiyama monitor's native resolution does not display properly
https://bugs.launchpad.net/bugs/473114
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