From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264577AbUHABLy (ORCPT ); Sat, 31 Jul 2004 21:11:54 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264702AbUHABLy (ORCPT ); Sat, 31 Jul 2004 21:11:54 -0400 Received: from 153.Red-213-4-13.pooles.rima-tde.net ([213.4.13.153]:31748 "EHLO kerberos.felipe-alfaro.com") by vger.kernel.org with ESMTP id S264577AbUHABLv (ORCPT ); Sat, 31 Jul 2004 21:11:51 -0400 Subject: Re: [patch] voluntary-preempt-2.6.8-rc2-L2 PS2 keyboard gone south From: Felipe Alfaro Solana To: Lee Revell Cc: Shane Shrybman , Ingo Molnar , linux-kernel In-Reply-To: <1091320373.20819.74.camel@mindpipe> References: <1091196403.2401.10.camel@mars> <20040730152040.GA13030@elte.hu> <1091209106.2356.3.camel@mars> <1091229695.2410.1.camel@teapot.felipe-alfaro.com> <1091232345.1677.20.camel@mindpipe> <1091236384.2672.0.camel@teapot.felipe-alfaro.com> <1091246222.1677.65.camel@mindpipe> <1091319840.2386.3.camel@teapot.felipe-alfaro.com> <1091320373.20819.74.camel@mindpipe> Content-Type: text/plain Date: Sun, 01 Aug 2004 03:11:31 +0200 Message-Id: <1091322692.1860.5.camel@teapot.felipe-alfaro.com> Mime-Version: 1.0 X-Mailer: Evolution 1.5.91 (1.5.91-1) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sat, 2004-07-31 at 20:32 -0400, Lee Revell wrote: > On Sat, 2004-07-31 at 20:24, Felipe Alfaro Solana wrote: > > On Fri, 2004-07-30 at 23:57 -0400, Lee Revell wrote: > > > On Fri, 2004-07-30 at 21:13, Felipe Alfaro Solana wrote: > > > > On Fri, 2004-07-30 at 20:05 -0400, Lee Revell wrote: > > > > > On Fri, 2004-07-30 at 19:21, Felipe Alfaro Solana wrote: > > > > > > On Fri, 2004-07-30 at 13:38 -0400, Shane Shrybman wrote: > > > > > > > > > > > > > > M5 does that differently, yes - so could you try it? If you still get > > > > > > > > problems, does this fix it: > > > > > > > > > > > > > > Ok, M5 locked up the whole machine within a few seconds of starting X. > > > > > > > > > > > > Me too, with voluntary-preempt=3... It seems I can trigger this randomly > > > > > > by heavily moving the mouse around while logging in into my KDE session. > > > > > > > > > > > > However, with voluntary-preempt=2 I've been unable to lock the machine > > > > > > yet. > > > > > > > > > > It looks like this is a mouse problem, I have a PS/2 keyboard and USB > > > > > mouse and have not had any problems yet with M5. I also found that with > > > > > L2, I could toggle Caps Lock fast enough to get significantly 'ahead' of > > > > > it, this no longer happens with M5. > > > > > > > > I have a PS/2 keyboard and a USB mouse. > > > > > > Weird. This is my setup also, and I have had no problems since > > > installing M5. > > > > > > Try: > > > > > > Option "NoAccel" > > > > > > in section "Device" of your XF86Config. Also try commenting out: > > > > > > Load "dri" > > > > > > in the "Module" section. > > > > > > This will ensure that the X server is not accessing hardware directly. > > > Normally this should not be a problem but a buggy video driver can cause > > > problems. On my machine, having 2D acceleration enabled caused > > > interrupts from other devices to be lost when dragging a window. > > > > > > Also, is the machine pingable after it locks up? > > > > Curiously, the machine is pingable, but I can't ssh/telnet into it: no > > data is received from the locked machine. > > Hmm. Maybe the problem is filesystem or disk related. Is your root > partition on IDE or SCSI? It could be a SCSI problem. No SCSI. Only 2 IDE drives, 1 ATAPI DVD and 1 ATAPI CD-RW. > Are you running software or hardware RAID? No. > This is the same behavior you get when, for example, a disk dies. I have 2 identical UDMA 120GB Seagate disks which are 1 month old, so I guess it's not a problem with bad hardware. It turns out that my lock ups where related to APIC. Disabling APIC seems to get rid of those lock ups.