[Bug 33968] Screen will not unblank after DPMS suspend/off

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Sun Feb 6 13:24:12 PST 2011


--- Comment #10 from Brian Hall <hallbw at gmail.com> 2011-02-06 13:24:12 PST ---
(In reply to comment #8)
> Does this patch help?
> https://bugzilla.kernel.org/attachment.cgi?id=45272
> Alternatively, you can try Linus' latest kernel git tree.

Some success. Built kernel26-git (2.6.38-rc3-00201-g44f2c5c-dirty). With
xf86-video-ati, I was able to successfully unblank the screen after executing:

sleep 2; xset dpms force suspend

However- I was only able to successfully unblank the screen if I started X as
root (login as root, then startx). It didn't work as a regular user. I also
tried this as root with my other 2.6.37 kernels I have installed, and it did
not work. So something in the new 2.6.38-rc3 kernel addresses my issue, at
least when run as root.

My regular user belongs to these groups:

disk wheel games network video audio optical floppy storage scanner camera
power users

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