On Fri, Aug 30, 2013 at 3:12 PM, Laura Marie Feeney <lmfee...@sics.se>wrote:

> On 08/30/13 23:53, Sergey A. Osokin wrote:
>>  Maybe try x11perf before and after?  I just removed VESA from my kernel
>>> on an
>>> X220 and it now suspends and resumes great in X.  I don't notice any
>>> slowdown,
>>> but I'm using a very simple tiling window manager (i3wm).
>> I'm also using i3 now, previously it was fvwm2 earlier with slowdown.
>> Hmm...
>> Gleb and Luara, could you try x11-wm/i3 for suspend/resume trick and check
>> slowdown?
> I was using twm (like i3, it's very lightweight window manager and
> actually my personal preference for everyday use) and saw little or no
> slowdown under normal use.  (I was able to get the cpu load to spike quite
> a bit higher by scrolling an xterm as fast as I could, but that's not very
> normal.)
> Will try i3 tomorrow.
> Perhaps cairo-perf with some common set of traces would be a good
> comparison?
> Laura

Woo hoo! for the first time  in the 2+ years I've owned it I can resume my
T520. Removing VESA from the kernel did the trick!

After resume, X was rather slow for some operations. Not painfully slow,
but noticeably slower than normal. I did nothing to the system but ran
x11perf. After about 2.5 hours it completed. When I resumed use of the
system, it seems to be back to normal. No idea what made it change.

I am running Gnome2, so it is a very heavyweight  system running 9.2-Stable
from last Wednesday (r255013).

I'm delighted to finally have a working resume.  It's been YEARS since I've
had it that works on any of my Thinkpads (600E, T43, T520).
R. Kevin Oberman, Network Engineer
E-mail: rkober...@gmail.com
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