I just installed Debian Linux (sarge) onto a Mac Mini (kernel 2.6.8). I want to share a 22" ADC Cinema Display between it and another DVI Mac running Mac OS X. I have a Compucable/AddLogix Bi-System DVI to ADC KVM box.
The KVM works fine for the Mac running OS X, but it doesn't work for the Mini running Linux -- the screen is blank and the keyboard/mouse don't work. (The keyboard/mouse are plugged into the back of the LCD into its USB hub.) There's also a Belkin 6-in-1 USB media card reader plugged into the other USB port in the LCD hub.
When I switch the input from 'A' (Mac OS X) to 'B' (Linux), the light on the card reader goes out. If I press a key, the light comes back on (and stays on). The red light under the mouse doesn't come on except if it's clicked -- and then goes back off.
If I look in /var/log/messages,, everything looks OK, i.e, there are messaging saying how it found a USB hub (in the LCD) and the mass storage device (the card reader).
After some searching, I found this:
http://tinyurl.com/4rt7g
or:
http://groups-beta.google.com/group/sol.lists.freebsd.bugs/browse_thread/thread/f10ff146f799ad51/9445aeaddcb2d332?q=compucable+kvm+adc+dvi+linux&_done=%2Fgroups%3Fq%3Dcompucable+kvm+adc+dvi+linux%26num%3D20%26hl%3Den%26lr%3D%26safe%3Doff%26client%3Dsafari%26rls%3Den%26sa%3DN%26tab%3Dwg%26&_doneTitle=Back+to+Search&&d#9445aeaddcb2d332
for FreeBSD. Has an equivalent patch made it into the Linux kernel?
Any other suggestions on how to get this to work?
Note: I don't particularly care about have X11 work. I really just want the LCD to display the text console.
- Paul
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