From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266448AbUGUE7A (ORCPT ); Wed, 21 Jul 2004 00:59:00 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266454AbUGUE7A (ORCPT ); Wed, 21 Jul 2004 00:59:00 -0400 Received: from mustang.oldcity.dca.net ([216.158.38.3]:20421 "HELO mustang.oldcity.dca.net") by vger.kernel.org with SMTP id S266448AbUGUE66 (ORCPT ); Wed, 21 Jul 2004 00:58:58 -0400 Subject: Re: [linux-audio-dev] Re: [announce] [patch] Voluntary Kernel Preemption Patch From: Lee Revell To: Andrew Morton Cc: mingo@elte.hu, linux-audio-dev@music.columbia.edu, arjanv@redhat.com, linux-kernel In-Reply-To: <20040721000348.39dd3716.akpm@osdl.org> References: <20040709182638.GA11310@elte.hu> <20040710222510.0593f4a4.akpm@osdl.org> <1089673014.10777.42.camel@mindpipe> <20040712163141.31ef1ad6.akpm@osdl.org> <1089677823.10777.64.camel@mindpipe> <20040712174639.38c7cf48.akpm@osdl.org> <20040719102954.GA5491@elte.hu> <1090380467.1212.3.camel@mindpipe> <20040721000348.39dd3716.akpm@osdl.org> Content-Type: text/plain Message-Id: <1090385936.2883.2.camel@mindpipe> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 Date: Wed, 21 Jul 2004 00:58:56 -0400 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2004-07-21 at 03:03, Andrew Morton wrote: > Lee Revell wrote: > > > > discovered I can reliably produce a large XRUN by toggling Caps Lock, > > Scroll Lock, or Num Lock. This is with 2.6.8-rc1-mm1 + voluntary > > preempt > > That's odd. I wonder if the hardware is sick. What is the duration is the > underrun? The info you sent didn't include that. > I don't think so, it's a Dell QuietKey PS/2 keyboard, plugged into a regular PS/2 port. The XRUN is 24-70ms, usually about 32ms. > > (I modified the patch by hand to apply on this kernel, as > > 2.6.8-rc2 disables my network card). > > eh? That's a rather more serious problem. Does the via-rhine.c from > 2.6.8-rc1-mm1 work OK if you move it into 2.6.8-rc2? > I posted this to LKML, the error I get is 'Invalid MAC Address'. I will try the older version. Lee > > > > > ALSA /home/rlrevell/cvs/alsa-driver/alsa-kernel/core/pcm_lib.c:169: XRUN: pcmC0D0p > > [] dump_stack+0x17/0x20 > > [] snd_pcm_period_elapsed+0x2c7/0x400 [snd_pcm] > > [] snd_emu10k1_interrupt+0x337/0x3c0 [snd_emu10k1] > > [] handle_IRQ_event+0x33/0x60 > > [] do_IRQ+0xa5/0x170 > > [] common_interrupt+0x18/0x20 > > [] __delay+0xf/0x20 > > [] atkbd_sendbyte+0x5a/0xa0 > > [] atkbd_command+0x1d5/0x200 > > [] atkbd_event+0x16b/0x200 > > [] input_event+0x115/0x3d0 > > [] kbd_bh+0xbb/0x160 > > [] tasklet_action+0x44/0x70 > > [] __do_softirq+0x83/0x90 > > [] do_softirq+0x35/0x40 > > [] do_IRQ+0x115/0x170 > > [] common_interrupt+0x18/0x20 > > [] sys_read+0x2e/0x50 >