Messages in this thread | | | Date | Tue, 30 Sep 2008 17:59:06 -0700 | From | Jeremy Fitzhardinge <> | Subject | Re: Thinkpad brightness keys kill X on 2.6.26.5 |
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Pavel Machek wrote: > Hi! > > >> I just upgraded from 2.6.25.17 to 2.6.26.5 on my Thinkpad Z61t, and found >> the brightness keys will cause the X server to die. When using the >> brightness up/down keys, the screen will go blank -- Control+Alt+F# will >> still switch to a different virtual console, but switching back will not >> restore the video state. >> >> After killing the window manager, I was able to bring up X again without >> a problem -- but using the brightness keys still causes it to go blank >> again within X, while the brightness does get changed correctly on the >> console. >> >> There were no kernel messages, but this appeared in the Xorg log: >> > > Yes, I had similar problems... for me it blanked screen on closing > lid. Problem disappeared after upgrading X... > > >> .config attached -- is this a known issue? In the meantime, I'm starting >> a bisection to figure out where the problem crops up. >> > > For me CONFIG_ACPI_VIDEO never really worked... >
On my shiny new X200 running Fedora Rawhide, I'm finding that the brightness control keys work OK, but the backlight remains stuck off after a resume. The machine is working fine but the backlight is just off; I can see the display under a bright light. Switching consoles and poking about in /sys/class/backlight/acpi_video?/ didn't help.
J
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