debian-user:
I have an Asus M2NPV-VM motherboard connected to a IOGEAR GCS78 KVM
connected to a Nokia 445XiPlus monitor. The system has Debian 6.0.7
amd64 with the XFCE desktop and the default X driver/server/whatever
(nouveau).
As configured, the system comes up at 1024x768 @ 60 Hz. I am unable to
obtain higher bandwidth resolutions and refresh rates via Debian ->
System -> Preferences -> Monitors. If I attempt to provide any
xorg.conf (including an empty file), nouveau hangs during boot:
http://holgerdanske.com/users/dpchrist/bug-reports/debian/squeeze/amd64/X/
If I eliminate the KVM and connect the motherboard directly to a monitor
(a Nokia 445Xi), the system comes up at 1600x1200 @ 75 Hz (e.g. maximum
supported by the monitor, the video chip can do more) and I am able to
obtain numerous low to high bandwidth resolutions and refresh rates via
the GUI.
Apparently:
1. The KVM is not passing EDID requests/ responses.
2. The nouveau driver doesn't support xorg.conf.
I obtain essentially the same results with Debian 7.0.0 amd64.
How do I provide monitor information to nouveau so that the system comes
up at a chosen high bandwidth resolution/ refresh rate with the KVM
installed (e.g. no EDID)?
TIA,
David
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