Bug reports on the psb-gfx driver

Alan Cox alan at lxorguk.ukuu.org.uk
Wed Apr 18 14:21:37 PDT 2012

> That frequency seems about the same as the one I'm experiences. All though
> some times it's more often, but I can't say I've done anything special at
> the same time.
> 3.3.2-1-ARCH
> Intel(R) Atom(TM) CPU Z520 @ 1.33GHz
> Attachment: dmesg ouput

What X display server are you using (fbdev or other ?). Also I see a few
writes to the brightness in the log - did you fiddle with the brightness
by hand at all ?

Either way I suspect the only way to find this is to verify a
configuration it occurs on, go back a kernel, verify it doesn't happen
there and then build a kernel to the point in the git tree before the
gma500 patches were changed (to check its not caused by something else
such as an ACPI change), then try and find which one caused it.

That will be tedious but unfortunately I've got no documentation or other
good ways to chase this down.


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