suspend/resume on Lenovo X1 (regression from reports on wiki)

[Gleb Smirnoff]

On Thu, Aug 29, 2013 at 03:04:28PM -0400, Glen Barber wrote:
G> > I also observe the issue that Gleb Smirnoff mentions below, that the
G> > xorg server is quite slow after result.  Using 'xterm -sb' and
G> > moving the scrollbar up and down very fast, I was able to able to
G> > get the xorg process up to ~20% of CPU.  On casual observation, it
G> > didn't seem to get worse after several suspend/resume cycles.
G> 
G> I did not see any unusual CPU chewing by X after resume in my case.
G> I did see something unpleasant with xrandr(1), however.  I have dual
G> external monitors attached, which I have a login script set the
G> resolution properly.  With my resolution set to 3840x1080, X is unusable
G> on resume.  (The screen is fuzzy, but the machine does not crash.)
G> Without changing the resolution before suspend, X works properly at
G> resume.

I also have external monitor and observe slowdown after resume on it.

-- 
Totus tuus, Glebius.