On Jun 05, 09 07:36:02 -0400, Scott Edick wrote:
Ah, the problem appears to be an incompatibility with my KVM switch. I've
Great that you found that yourself. :-)
used this switch without trouble for years on lots of different HW and SW. This same HW with Debian Lenny works the same with or without the switch.
You can explicitly enable the output if you add a monitor section to your xorg.conf with [[ Option "Enable" ]] added, and referenced by [[ Option "monitor-VGA_1" "identifier" ]] (using the correct identifier) in the Device section.
== using VGA === rhd_conntest: v1.2.5, dist of git branch master, commit 4be5f715 Found card: (null) - (null) Checking connectors on 0x9610, 0x1458, 0xD000 (@01:05:00): Load Detection: RHD_OUTPUT_DACA HotPlug: RHD_HPD_NONE DDC: RHD_DDC_0
== using VGA via KVM === rhd_conntest: v1.2.5, dist of git branch master, commit 4be5f715 Found card: (null) - (null) Checking connectors on 0x9610, 0x1458, 0xD000 (@01:05:00): Load Detection: RHD_OUTPUT_NONE HotPlug: RHD_HPD_NONE DDC: RHD_DDC_0
Ok, the load detection doesn't work. I assume that the KVM switch
doesn't have correct 75 Ohm termination, and the load detection is
picky...
If you want you can play a bit with the value 0x1e6 for register
DACA_FORCE_DATA in rhd_dac.c.
Another idea: Please run the Xserver with -logverbose 7, with the
monitor attached and with the KVM attached. Let's see what DACSense()
found, maybe not all of R, G, and B are terminated correctly...
Matthias
--
Matthias Hopf