From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265800AbUGMUiC (ORCPT ); Tue, 13 Jul 2004 16:38:02 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265828AbUGMUiC (ORCPT ); Tue, 13 Jul 2004 16:38:02 -0400 Received: from viper.oldcity.dca.net ([216.158.38.4]:34179 "HELO viper.oldcity.dca.net") by vger.kernel.org with SMTP id S265800AbUGMUhr (ORCPT ); Tue, 13 Jul 2004 16:37:47 -0400 Subject: Re: [linux-audio-dev] Re: [announce] [patch] Voluntary Kernel Preemption Patch From: Lee Revell To: Andrew Morton Cc: linux-audio-dev@music.columbia.edu, mingo@elte.hu, arjanv@redhat.com, linux-kernel@vger.kernel.org In-Reply-To: <20040713022919.67c991db.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> <1089687168.10777.126.camel@mindpipe> <20040712205917.47d1d58b.akpm@osdl.org> <1089707483.20381.33.camel@mindpipe> <20040713014316.2ce9181d.akpm@osdl.org> <1089708818.20381.36.camel@mindpipe> <20040713020025.7400c648.akpm@osdl.org> <1089710638.20381.41.camel@mindpipe> <20040713022919.67c991db.akpm@osdl.org> Content-Type: text/plain Message-Id: <1089751077.22175.3.camel@mindpipe> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 Date: Tue, 13 Jul 2004 16:37:57 -0400 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 2004-07-13 at 05:29, Andrew Morton wrote: > Lee Revell wrote: > > > > On Tue, 2004-07-13 at 05:00, Andrew Morton wrote: > > > Lee Revell wrote: > > > > > > > > > framebuffer scrolling inside lock_kernel(). Tricky. Suggest you use X or > > > > > vgacon. You can try removing the lock_kernel() calls from do_tty_write(), > > > > > but make sure you're wearing ear protection. > > > > > > > > > > > > > OK, I figured this was not an easy one. I can just not do that. > > > > > > Why not? You can certainly try removing those [un]lock_kernel() calls. > > > > > > > Maybe I missed something. What exactly do you mean by 'make sure you're > > wearing ear protection'? > > > > It might go boom. If it does screw up, it probably won't be very seriously > bad - maybe some display glitches. Just an experiment. Heh, I thought you literally meant it could destroy my speakers. I have a pretty loud amp hooked up to this thing! I will try that. Meanwhile, here are some more XRUS traces from the same test, run overnight, without any significant network activity. I believe updatedb may have caused these. I left out the reiserfs related ones because that seems to be a known issue. Jul 13 06:22:07 mindpipe kernel: Jul 13 06:22:07 mindpipe kernel: ALSA /usr/src/alsa-cvs-1.0.5/alsa-driver/alsa-kernel/core/pcm_lib.c:169: XRUN: pcmC0D0p Jul 13 06:22:07 mindpipe kernel: [__crc_totalram_pages+1387264/5353478] snd_pcm_period_elapsed+0x2ca/0x410 [snd_pcm] Jul 13 06:22:07 mindpipe kernel: [do_pollfd+125/144] do_pollfd+0x7d/0x90 Jul 13 06:22:07 mindpipe kernel: [__crc_totalram_pages+1455070/5353478] snd_emu10k1_interrupt+0x3c8/0x480 [snd_emu10k1] Jul 13 06:22:07 mindpipe kernel: [handle_IRQ_event+49/96] handle_IRQ_event+0x31/0x60 Jul 13 06:22:07 mindpipe kernel: [do_IRQ+155/352] do_IRQ+0x9b/0x160 Jul 13 06:22:07 mindpipe kernel: [common_interrupt+24/32] common_interrupt+0x18/0x20 Jul 13 06:22:07 mindpipe kernel: Jul 13 06:22:07 mindpipe kernel: ALSA /usr/src/alsa-cvs-1.0.5/alsa-driver/alsa-kernel/core/pcm_lib.c:169: XRUN: pcmC0D0p Jul 13 06:22:07 mindpipe kernel: [__crc_totalram_pages+1387264/5353478] snd_pcm_period_elapsed+0x2ca/0x410 [snd_pcm] Jul 13 06:22:07 mindpipe kernel: [__crc_totalram_pages+1455070/5353478] snd_emu10k1_interrupt+0x3c8/0x480 [snd_emu10k1] Jul 13 06:22:07 mindpipe kernel: [handle_IRQ_event+49/96] handle_IRQ_event+0x31/0x60 Jul 13 06:22:07 mindpipe kernel: [do_IRQ+155/352] do_IRQ+0x9b/0x160 Jul 13 06:22:07 mindpipe kernel: [common_interrupt+24/32] common_interrupt+0x18/0x20 Jul 13 06:22:07 mindpipe kernel: [__kmalloc+110/160] __kmalloc+0x6e/0xa0 Jul 13 06:22:07 mindpipe kernel: [sys_poll+209/560] sys_poll+0xd1/0x230 Jul 13 06:22:07 mindpipe kernel: [__pollwait+0/160] __pollwait+0x0/0xa0 Jul 13 06:22:07 mindpipe kernel: [syscall_call+7/11] syscall_call+0x7/0xb Jul 13 06:22:07 mindpipe kernel: Jul 13 06:22:19 mindpipe kernel: ALSA /usr/src/alsa-cvs-1.0.5/alsa-driver/alsa-kernel/core/pcm_lib.c:169: XRUN: pcmC0D0p Jul 13 06:22:19 mindpipe kernel: [__crc_totalram_pages+1387264/5353478] snd_pcm_period_elapsed+0x2ca/0x410 [snd_pcm] Jul 13 06:22:19 mindpipe kernel: [__crc_totalram_pages+1455070/5353478] snd_emu10k1_interrupt+0x3c8/0x480 [snd_emu10k1] Jul 13 06:22:19 mindpipe kernel: [handle_IRQ_event+49/96] handle_IRQ_event+0x31/0x60 Jul 13 06:22:19 mindpipe kernel: [do_IRQ+155/352] do_IRQ+0x9b/0x160 Jul 13 06:22:19 mindpipe kernel: [common_interrupt+24/32] common_interrupt+0x18/0x20 Jul 13 06:22:19 mindpipe kernel: Jul 13 06:26:13 mindpipe kernel: ALSA /usr/src/alsa-cvs-1.0.5/alsa-driver/alsa-kernel/core/pcm_lib.c:169: XRUN: pcmC0D0p Jul 13 06:26:13 mindpipe kernel: [__crc_totalram_pages+1387264/5353478] snd_pcm_period_elapsed+0x2ca/0x410 [snd_pcm] Jul 13 06:26:13 mindpipe kernel: [__crc_totalram_pages+2260290/5353478] find_attr+0xdc/0x250 [ntfs] Jul 13 06:26:13 mindpipe kernel: [__crc_totalram_pages+1455070/5353478] snd_emu10k1_interrupt+0x3c8/0x480 [snd_emu10k1] Jul 13 06:26:13 mindpipe kernel: [handle_IRQ_event+49/96] handle_IRQ_event+0x31/0x60 Jul 13 06:26:13 mindpipe kernel: [do_IRQ+155/352] do_IRQ+0x9b/0x160 Jul 13 06:26:13 mindpipe kernel: [common_interrupt+24/32] common_interrupt+0x18/0x20 Jul 13 06:26:13 mindpipe kernel: [__crc_totalram_pages+2275930/5353478] ntfs_readdir+0xd24/0xfe0 [ntfs] Jul 13 06:26:13 mindpipe kernel: [filldir64+0/256] filldir64+0x0/0x100 Jul 13 06:26:13 mindpipe kernel: [vfs_readdir+133/160] vfs_readdir+0x85/0xa0 Jul 13 06:26:13 mindpipe kernel: [filldir64+0/256] filldir64+0x0/0x100 Jul 13 06:26:13 mindpipe kernel: [sys_getdents64+102/163] sys_getdents64+0x66/0xa3 Jul 13 06:26:13 mindpipe kernel: [filldir64+0/256] filldir64+0x0/0x100 Jul 13 06:26:13 mindpipe kernel: [syscall_call+7/11] syscall_call+0x7/0xb Jul 13 06:26:13 mindpipe kernel: Lee