From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S267732AbUG3Vrg (ORCPT ); Fri, 30 Jul 2004 17:47:36 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S267681AbUG3Vrg (ORCPT ); Fri, 30 Jul 2004 17:47:36 -0400 Received: from mustang.oldcity.dca.net ([216.158.38.3]:17317 "HELO mustang.oldcity.dca.net") by vger.kernel.org with SMTP id S267808AbUG3VqS (ORCPT ); Fri, 30 Jul 2004 17:46:18 -0400 Subject: Re: [patch] voluntary-preempt-2.6.8-rc2-L2 PS2 keyboard gone south From: Lee Revell To: Shane Shrybman Cc: mingo@elte.hu, linux-kernel In-Reply-To: <1091223099.2356.17.camel@mars> References: <1091196403.2401.10.camel@mars> <1091210620.800.61.camel@mindpipe> <1091223099.2356.17.camel@mars> Content-Type: text/plain Message-Id: <1091223998.800.96.camel@mindpipe> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 Date: Fri, 30 Jul 2004 17:46:38 -0400 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2004-07-30 at 17:31, Shane Shrybman wrote: > On Fri, 2004-07-30 at 14:03, Lee Revell wrote: > > On Fri, 2004-07-30 at 10:06, Shane Shrybman wrote: > > > Twice while using -L2 my IBM PS2 keyboard has become completely > > > non-responsive. USB mouse and everything else seems to be fine, but no > > > LEDs or anything from the keyboard. > > > > > > On both occasions the last key I hit on the keyboard was numlock and the > > > numlock did not come on and I had to reboot after that. > > > > > > UP, x86, gcc 2.95, scsi + ide, bttv > > > > > > > This happened to me, also twice necessitating a reboot. I am pretty > > sure I did *not* hit Num Lock last, though the system was under load - > > multiple builds going on, jackd running, and video playback. I tried to > > toggle Num Lock to see if the machine was really locked hard, and it > > worked for a while (though it did not go on/off exactly once for each > > time I hit it), then stopped responding. > > > > Did this happen with both the rc2-L2 and rc2-M5 kernels for you too? > Have not tried M5 yet (still building). An improved fix was posted for the PS/2 problem recently which uses a semaphore and work queues rather than Ingo's original quick fix of just adding a lock-break. If the problem is indeed keyboard-related, this may help. I also have not determined whether the system freezes completely or whether it is just the input layer that hangs. Next time this happens I will try to ssh in. Lee