From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265232AbUHHJ25 (ORCPT ); Sun, 8 Aug 2004 05:28:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265234AbUHHJ25 (ORCPT ); Sun, 8 Aug 2004 05:28:57 -0400 Received: from 217-114-210-112.kunde.vdserver.de ([217.114.210.112]:54539 "EHLO old-fsckful.ath.cx") by vger.kernel.org with ESMTP id S265232AbUHHJ2z (ORCPT ); Sun, 8 Aug 2004 05:28:55 -0400 From: crow@old-fsckful.ath.cx Date: Sun, 8 Aug 2004 09:28:53 +0000 To: Pavel Machek Cc: mochel@osdl.org, linux-kernel@vger.kernel.org Subject: Re: [2.6.8-rc2-mm2] swsusp results on a hp compaq nx7000 Message-ID: <20040808092853.GC26305@old-fsckful.ath.cx> References: <20040804120303.GA1828@final-judgement.ath.cx> <20040806201107.GD30518@elf.ucw.cz> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040806201107.GD30518@elf.ucw.cz> User-Agent: Mutt/1.5.6+20040523i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Aug 06, 2004 at 10:11:07PM +0200, Pavel Machek wrote: > Hi! > > > trying to get swsusp running on my hp compaq nx7000, I've noticed > > following problems: > > * echo 'platform' > /sys/power/disk > > creates a syslog message: switching to platform, but a > > cat /sys/power/disk > > still says firmware. Other comments regard disk-writes by 'shutdown' > > driver > > * system calls acpi_*_shutdown to shutdown, but it's rebooting instead > > of doing a system shutdown > > * locking with regard to preemption seems so be broken > > * ohci1394 seems to generate sporadic OOPs on resume (could be > > preemption related) > > * synaptics touchpad (PS/2 driver) stops working after resume > > (sporadic, could also be preemption related) > > * the AGP port driver suspends, but system is a lot slower (e.g. xterm > > scrolling) after resuming > > * enabled DRI drivers (radeon) doesn't work. I'm able to move the mouse > > after resuming for a short time, after that the system locks up hard. > > (the screen is generating snow crash even while moving the mouse). > > The same behaviour can be observered when suspending/resuming from > > vt, the computer crashes with the same symptoms after switchting to X > > after resuming. This happens with the in kernel drm driver as with > > the latest x.org dri drivers (X in question is x.org 6.7). > > * radeonfb gives a "radeonfb: resumed" message on suspending. This may > > be correct (if you suspend the driver and resume it afterwards to > > display more on-screen), but it is a rather disturbing message. > > > > After all swsusp is a lot more useable compared to last time ?'ve tested > > it. It is useable as "suspend if battery power gets low" - measure, but > > rather unuseable for me for other things, as (normal 2D-) graphics > > operations crawl after resuming. thanks for the good work. > > > Ugh, I was offline for a week and it will take me few days to catch > up. This is valuable feedback, and you probably do want to mail it to > lkml and Patrick Mochel. > > If you have time results with preempt disabled would be nice, > too. After i got some unreproduceable hangups on system boot I disabled preempt. It may take some time until some of the problems (i.e. ohci1394) resurface. > psmouse.proto=bare might help with synaptics. will try that soon, but it rather seems to be some kind of strange interaction with other modules.. --Andreas