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Using KMS (kernel mode setting) ... no xorg.conf.
xrandr doesn't even see the VGA cable as plugged in.
I see notes on /proc/acpi/ibm/video on ThinkWiki ... mine looks like:
# cat /proc/acpi/ibm/video
status: supported
lcd: enabled
crt: disabled
dvi: disabled
auto: disabled
commands: lcd_enable, lcd_disable
commands: crt_enable, crt_disable
commands: dvi_enable, dvi_disable
commands: auto_enable, auto_disable
commands: video_switch, expand_toggle
However, lcd, crt, and dvi changes have *no effect* when echo'ed to the file as root, even with X not running. This despite the fact that it shows status supported, and auto toggles just fine.
W .. T .. F .. ?
Last edited by georgia_tech_swagger (2011-02-24 14:07:25)
Res Publica Non Dominetur
Laptop: Arch x86 | Thinkpad X220 | Core i5 2410-M | 8 GB DDR3 | Sandy Bridge
Desktop: Arch x86_64 | Custom | Core i7 920 | 6 GB DDR3 | GeForce 260 GTX
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Make sure your BIOS is set correctly for VGA out on and then try rebooting with the VGA cable plugged in. My Toshiba laptop won't give me VGA out if I plug the cable in when machine has already booted - I need to reboot with the cable attached first.
Philosophy is looking for a black cat in a dark room. Metaphysics is looking for a black cat in a dark room that isn't there. Religion is looking for a black cat in a dark room that isn't there and shouting "I found it!". Science is looking for a black cat in a dark room with a flashlight.
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Make sure your BIOS is set correctly for VGA out on and then try rebooting with the VGA cable plugged in. My Toshiba laptop won't give me VGA out if I plug the cable in when machine has already booted - I need to reboot with the cable attached first.
No dice. Only related BIOS setting about that is boot display preference. I tried setting that to VGA+LCD ... didn't work. Too chicken to try just VGA, lest I be unable to see the BIOS again.
Res Publica Non Dominetur
Laptop: Arch x86 | Thinkpad X220 | Core i5 2410-M | 8 GB DDR3 | Sandy Bridge
Desktop: Arch x86_64 | Custom | Core i7 920 | 6 GB DDR3 | GeForce 260 GTX
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Bingo ..... to get my bootsplash to work I had nomodeset and vga=792 in the kernel params. Moving these enabled properly functioning VGA out again.... but now bootsplash is hosed. But on balance I guess I'll take working VGA out.
Res Publica Non Dominetur
Laptop: Arch x86 | Thinkpad X220 | Core i5 2410-M | 8 GB DDR3 | Sandy Bridge
Desktop: Arch x86_64 | Custom | Core i7 920 | 6 GB DDR3 | GeForce 260 GTX
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