From owner-freebsd-acpi@FreeBSD.ORG  Sat Aug 31 05:45:09 2013
Return-Path: <owner-freebsd-acpi@FreeBSD.ORG>
Delivered-To: freebsd-acpi@freebsd.org
Received: by hub.freebsd.org (Postfix, from userid 975)
 id 706B6D99; Sat, 31 Aug 2013 05:45:09 +0000 (UTC)
Date: Sat, 31 Aug 2013 05:45:09 +0000
From: "Sergey A. Osokin" <osa@FreeBSD.org>
To: Laura Marie Feeney <lmfeeney@sics.se>
Subject: Re: suspend/resume on Lenovo X1 (regression from reports on wiki)
Message-ID: <20130831054509.GI32399@FreeBSD.org>
References: <521D03AE.3050709@sics.se>
 <CAJ-VmokcQOhAE6y_=J1uzPHneSF+jYSpdo+wdf7Gd0h36pRHwQ@mail.gmail.com>
 <20130830145102.GG32399@FreeBSD.org>
 <201308301153.23184.jhb@freebsd.org>
 <20130830215355.GH32399@FreeBSD.org> <522118EB.5090801@sics.se>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <522118EB.5090801@sics.se>
User-Agent: Mutt/1.5.21 (2010-09-15)
Cc: freebsd-acpi@freebsd.org, Gleb Smirnoff <glebius@freebsd.org>
X-BeenThere: freebsd-acpi@freebsd.org
X-Mailman-Version: 2.1.14
Precedence: list
List-Id: ACPI and power management development <freebsd-acpi.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/freebsd-acpi>,
 <mailto:freebsd-acpi-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-acpi>
List-Post: <mailto:freebsd-acpi@freebsd.org>
List-Help: <mailto:freebsd-acpi-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-acpi>,
 <mailto:freebsd-acpi-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sat, 31 Aug 2013 05:45:09 -0000

On Sat, Aug 31, 2013 at 12:12:59AM +0200, Laura Marie Feeney 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.)

The main difference in these two wms its toolkits - i3 mostly uses a xcb,
twm uses a widget toolkit and it looks like xcb works well...

-- 
Sergey A. Osokin
osa@FreeBSD.org