From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266763AbUG1B5e (ORCPT ); Tue, 27 Jul 2004 21:57:34 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266764AbUG1B5e (ORCPT ); Tue, 27 Jul 2004 21:57:34 -0400 Received: from viper.oldcity.dca.net ([216.158.38.4]:39054 "HELO viper.oldcity.dca.net") by vger.kernel.org with SMTP id S266763AbUG1B4t (ORCPT ); Tue, 27 Jul 2004 21:56:49 -0400 Subject: Re: [patch] voluntary-preempt-2.6.8-rc2-L2, preemptable hardirqs From: Lee Revell To: Ingo Molnar Cc: linux-kernel , William Lee Irwin III , Lenar L?hmus , Andrew Morton , Arjan van de Ven In-Reply-To: <20040727162759.GA32548@elte.hu> References: <40F3F0A0.9080100@vision.ee> <20040713143947.GG21066@holomorphy.com> <1090732537.738.2.camel@mindpipe> <1090795742.719.4.camel@mindpipe> <20040726082330.GA22764@elte.hu> <1090830574.6936.96.camel@mindpipe> <20040726083537.GA24948@elte.hu> <1090832436.6936.105.camel@mindpipe> <20040726124059.GA14005@elte.hu> <20040726204720.GA26561@elte.hu> <20040727162759.GA32548@elte.hu> Content-Type: text/plain Message-Id: <1090979823.743.39.camel@mindpipe> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 Date: Tue, 27 Jul 2004 21:57:05 -0400 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 2004-07-27 at 12:27, Ingo Molnar wrote: > i've uploaded -L2: > > http://redhat.com/~mingo/voluntary-preempt/voluntary-preempt-2.6.8-rc2-L2 > Some more results: I can no longer trigger XRUNs with bonnie, so I switched to iozone. Here is what I got: ALSA /home/rlrevell/cvs/alsa/alsa-driver/alsa-kernel/core/pcm_lib.c:139: XRUN: pcmC0D2c [] dump_stack+0x17/0x20 [] snd_pcm_period_elapsed+0x27b/0x3e0 [snd_pcm] [] snd_emu10k1_interrupt+0xd1/0x3c0 [snd_emu10k1] [] handle_IRQ_event+0x38/0x80 [] do_IRQ+0xbd/0x1a0 [] common_interrupt+0x18/0x20 [] add_to_swap+0x21/0xc0 [] shrink_list+0x156/0x4b0 [] shrink_cache+0x14d/0x370 [] shrink_zone+0xa8/0xf0 [] balance_pgdat+0x1be/0x220 [] kswapd+0xa9/0xb0 [] kernel_thread_helper+0x5/0x10 ALSA /home/rlrevell/cvs/alsa/alsa-driver/alsa-kernel/core/pcm_lib.c:139: XRUN: pcmC0D2c [] dump_stack+0x17/0x20 [] snd_pcm_period_elapsed+0x27b/0x3e0 [snd_pcm] [] snd_emu10k1_interrupt+0xd1/0x3c0 [snd_emu10k1] [] handle_IRQ_event+0x38/0x80 [] do_IRQ+0xbd/0x1a0 [] common_interrupt+0x18/0x20 [] do_poll+0x5f/0xc0 [] sys_poll+0x131/0x220 [] syscall_call+0x7/0xb ALSA /home/rlrevell/cvs/alsa/alsa-driver/alsa-kernel/core/pcm_lib.c:139: XRUN: pcmC0D2c [] dump_stack+0x17/0x20 [] snd_pcm_period_elapsed+0x27b/0x3e0 [snd_pcm] [] snd_emu10k1_interrupt+0xd1/0x3c0 [snd_emu10k1] [] handle_IRQ_event+0x38/0x80 [] do_IRQ+0xbd/0x1a0 [] common_interrupt+0x18/0x20 [] add_to_swap+0x21/0xc0 [] shrink_list+0x156/0x4b0 [] shrink_cache+0x14d/0x370 [] shrink_zone+0xa8/0xf0 [] shrink_caches+0x57/0x60 [] try_to_free_pages+0x98/0x170 [] __alloc_pages+0x137/0x340 [] generic_file_aio_write_nolock+0x355/0xb80 [] generic_file_aio_write+0x62/0x90 [] ext3_file_write+0x28/0xc0 [] do_sync_write+0x6a/0xa0 [] vfs_write+0xbc/0x110 [] sys_write+0x2e/0x50 [] syscall_call+0x7/0xb ALSA /home/rlrevell/cvs/alsa/alsa-driver/alsa-kernel/core/pcm_lib.c:139: XRUN: pcmC0D2c [] dump_stack+0x17/0x20 [] snd_pcm_period_elapsed+0x27b/0x3e0 [snd_pcm] [] snd_emu10k1_interrupt+0xd1/0x3c0 [snd_emu10k1] [] handle_IRQ_event+0x38/0x80 [] do_IRQ+0xbd/0x1a0 [] common_interrupt+0x18/0x20 [] add_to_swap+0x21/0xc0 [] shrink_list+0x156/0x4b0 [] shrink_cache+0x14d/0x370 [] shrink_zone+0xa8/0xf0 [] balance_pgdat+0x1be/0x220 [] kswapd+0xa9/0xb0 [] kernel_thread_helper+0x5/0x10 ALSA /home/rlrevell/cvs/alsa/alsa-driver/alsa-kernel/core/pcm_lib.c:139: XRUN: pcmC0D2c [] dump_stack+0x17/0x20 [] snd_pcm_period_elapsed+0x27b/0x3e0 [snd_pcm] [] snd_emu10k1_interrupt+0xd1/0x3c0 [snd_emu10k1] [] handle_IRQ_event+0x38/0x80 [] do_IRQ+0xbd/0x1a0 [] common_interrupt+0x18/0x20 [] add_to_swap+0x21/0xc0 [] shrink_list+0x156/0x4b0 [] shrink_cache+0x14d/0x370 [] shrink_zone+0xa8/0xf0 [] balance_pgdat+0x1be/0x220 [] kswapd+0xa9/0xb0 [] kernel_thread_helper+0x5/0x10 ALSA /home/rlrevell/cvs/alsa/alsa-driver/alsa-kernel/core/pcm_lib.c:139: XRUN: pcmC0D2c [] dump_stack+0x17/0x20 [] snd_pcm_period_elapsed+0x27b/0x3e0 [snd_pcm] [] snd_emu10k1_interrupt+0xd1/0x3c0 [snd_emu10k1] [] handle_IRQ_event+0x38/0x80 [] do_IRQ+0xbd/0x1a0 [] common_interrupt+0x18/0x20 [] add_to_swap+0x21/0xc0 [] shrink_list+0x156/0x4b0 [] shrink_cache+0x14d/0x370 [] shrink_zone+0xa8/0xf0 [] balance_pgdat+0x1be/0x220 [] kswapd+0xa9/0xb0 [] kernel_thread_helper+0x5/0x10 ALSA /home/rlrevell/cvs/alsa/alsa-driver/alsa-kernel/core/pcm_lib.c:139: XRUN: pcmC0D2c [] dump_stack+0x17/0x20 [] snd_pcm_period_elapsed+0x27b/0x3e0 [snd_pcm] [] snd_emu10k1_interrupt+0xd1/0x3c0 [snd_emu10k1] [] handle_IRQ_event+0x38/0x80 [] do_IRQ+0xbd/0x1a0 [] common_interrupt+0x18/0x20 [] add_to_swap+0x21/0xc0 [] shrink_list+0x156/0x4b0 [] shrink_cache+0x14d/0x370 [] shrink_zone+0xa8/0xf0 [] shrink_caches+0x57/0x60 [] try_to_free_pages+0x98/0x170 [] __alloc_pages+0x137/0x340 [] generic_file_aio_write_nolock+0x355/0xb80 [] generic_file_aio_write+0x62/0x90 [] ext3_file_write+0x28/0xc0 [] do_sync_write+0x6a/0xa0 [] vfs_write+0xbc/0x110 [] sys_write+0x2e/0x50 [] syscall_call+0x7/0xb ALSA /home/rlrevell/cvs/alsa/alsa-driver/alsa-kernel/core/pcm_lib.c:139: XRUN: pcmC0D2c [] dump_stack+0x17/0x20 [] snd_pcm_period_elapsed+0x27b/0x3e0 [snd_pcm] [] snd_emu10k1_interrupt+0xd1/0x3c0 [snd_emu10k1] [] handle_IRQ_event+0x38/0x80 [] do_IRQ+0xbd/0x1a0 [] common_interrupt+0x18/0x20 [] add_to_swap+0x21/0xc0 [] shrink_list+0x156/0x4b0 [] shrink_cache+0x14d/0x370 [] shrink_zone+0xa8/0xf0 [] balance_pgdat+0x1be/0x220 [] kswapd+0xa9/0xb0 [] kernel_thread_helper+0x5/0x10 ALSA /home/rlrevell/cvs/alsa/alsa-driver/alsa-kernel/core/pcm_lib.c:139: XRUN: pcmC0D2c [] dump_stack+0x17/0x20 [] snd_pcm_period_elapsed+0x27b/0x3e0 [snd_pcm] [] snd_emu10k1_interrupt+0xd1/0x3c0 [snd_emu10k1] [] handle_IRQ_event+0x38/0x80 [] do_IRQ+0xbd/0x1a0 [] common_interrupt+0x18/0x20 [] add_to_swap+0x21/0xc0 [] shrink_list+0x156/0x4b0 [] shrink_cache+0x14d/0x370 [] shrink_zone+0xa8/0xf0 [] shrink_caches+0x57/0x60 [] try_to_free_pages+0x98/0x170 [] __alloc_pages+0x137/0x340 [] generic_file_aio_write_nolock+0x355/0xb80 [] generic_file_aio_write+0x62/0x90 [] ext3_file_write+0x28/0xc0 [] do_sync_write+0x6a/0xa0 [] vfs_write+0xbc/0x110 [] sys_write+0x2e/0x50 [] syscall_call+0x7/0xb ALSA /home/rlrevell/cvs/alsa/alsa-driver/alsa-kernel/core/pcm_lib.c:139: XRUN: pcmC0D2c [] dump_stack+0x17/0x20 [] snd_pcm_period_elapsed+0x27b/0x3e0 [snd_pcm] [] snd_emu10k1_interrupt+0xd1/0x3c0 [snd_emu10k1] [] handle_IRQ_event+0x38/0x80 [] do_IRQ+0xbd/0x1a0 [] common_interrupt+0x18/0x20 [] add_to_swap+0x21/0xc0 [] shrink_list+0x156/0x4b0 [] shrink_cache+0x14d/0x370 [] shrink_zone+0xa8/0xf0 [] balance_pgdat+0x1be/0x220 [] kswapd+0xa9/0xb0 [] kernel_thread_helper+0x5/0x10 ALSA /home/rlrevell/cvs/alsa/alsa-driver/alsa-kernel/core/pcm_lib.c:139: XRUN: pcmC0D2c [] dump_stack+0x17/0x20 [] snd_pcm_period_elapsed+0x27b/0x3e0 [snd_pcm] [] snd_emu10k1_interrupt+0xd1/0x3c0 [snd_emu10k1] [] handle_IRQ_event+0x38/0x80 [] do_IRQ+0xbd/0x1a0 [] common_interrupt+0x18/0x20 [] add_to_swap+0x21/0xc0 [] shrink_list+0x156/0x4b0 [] shrink_cache+0x14d/0x370 [] shrink_zone+0xa8/0xf0 [] balance_pgdat+0x1be/0x220 [] kswapd+0xa9/0xb0 [] kernel_thread_helper+0x5/0x10 ALSA /home/rlrevell/cvs/alsa/alsa-driver/alsa-kernel/core/pcm_lib.c:139: XRUN: pcmC0D2c [] dump_stack+0x17/0x20 [] snd_pcm_period_elapsed+0x27b/0x3e0 [snd_pcm] [] snd_emu10k1_interrupt+0xd1/0x3c0 [snd_emu10k1] [] handle_IRQ_event+0x38/0x80 [] do_IRQ+0xbd/0x1a0 [] common_interrupt+0x18/0x20 [] add_to_swap+0x21/0xc0 [] shrink_list+0x156/0x4b0 [] shrink_cache+0x14d/0x370 [] shrink_zone+0xa8/0xf0 [] balance_pgdat+0x1be/0x220 [] kswapd+0xa9/0xb0 [] kernel_thread_helper+0x5/0x10 Lee