[ltp] after updating xserver-xorg-video-intel can not change back to virtual terminals

Bjørn Mork linux-thinkpad@linux-thinkpad.org
Fri, 29 Jan 2010 09:52:51 +0100

Peter Germer <germerp@gmail.com> writes:

> The only difference is that my screen starts flickering only after resume
> from suspend-to-ram, as mentioned in comment #11 by damjan, who has the s=
> X60s. This problem comes out only in the .32 kernel, but never in .30.
> The guys in the previous forum mentioned this bug:
> http://bugzilla.kernel.org/show_bug.cgi?id=14781
> This bugreport contains a couple of kernel patches, but aftefr applying t=
> one for .32 (comment #15) my new .32 kernel still have the flickering
> problem. Another sollution is setting 'options i915 powersave=0' in
> /etc/modprobe.d/i915, but in my opinion disabling powersave mode is not a
> real bug fix. By the way, in Ubuntu kernels since 2.6.32-11.15 disbaled
> powersave mode is the default.

Did you try the fix from Jesse Barnes?  It's in the 2.6.32 stable tree
as well, so it will be in Squeeze eventually:

(well, this does disable the clock adjustments and thereby probably
much of the powersavings, but the comment doesn't leave us any other
option at the moment - whether we like it or not)

> Do you have the same problem with the new .32 kernel?

Personally, I haven't seen this flickering issue at all, so it's most
likely depending on your hardware.  I'm using a X301 with a GM45