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Date: Thu, 29 Aug 2013 23:10:52 +0400
From: Gleb Smirnoff <glebius@FreeBSD.org>
To: Glen Barber <gjb@FreeBSD.org>
Subject: Re: suspend/resume on Lenovo X1 (regression from reports on wiki)
Message-ID: <20130829191052.GF4574@glebius.int.ru>
References: <521D03AE.3050709@sics.se> <20130828040505.GD32399@FreeBSD.org>
 <521DF184.7030308@sics.se> <20130828150310.GR4574@glebius.int.ru>
 <CAJ-VmokZEb+DXs4vvf4xpH11fFtS79E240-52Pobw-_xZytfrQ@mail.gmail.com>
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Cc: Laura Marie Feeney <lmfeeney@sics.se>,
 "freebsd-acpi@freebsd.org" <freebsd-acpi@freebsd.org>,
 "Sergey A. Osokin" <osa@freebsd.org>
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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.