From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261556AbVGCWHf (ORCPT ); Sun, 3 Jul 2005 18:07:35 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261554AbVGCWH3 (ORCPT ); Sun, 3 Jul 2005 18:07:29 -0400 Received: from mail58-s.fg.online.no ([148.122.161.58]:4258 "EHLO mail58-s.fg.online.no") by vger.kernel.org with ESMTP id S261552AbVGCWGA (ORCPT ); Sun, 3 Jul 2005 18:06:00 -0400 To: linux-kernel@vger.kernel.org Subject: A Sudden Death of Audio (linux-2.6.12-RT-V0.7.50-15) From: Esben Stien Date: Mon, 04 Jul 2005 00:02:21 +0200 Message-ID: <87ll4nk0pe.fsf@quasar.esben-stien.name> User-Agent: Gnus/5.1006 (Gnus v5.10.6) Emacs/21.3.50 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org All of a sudden, audio died and all apps using the device froze. I'm on a p3-600 with a emu10k1 chip. Compiling with the latest patch now, but here's the dmesg output: BUG: Unable to handle kernel NULL pointer dereference at virtual address 00000107 printing eip: f8865c12 *pde = 00000000 Oops: 0000 [#1] PREEMPT Modules linked in: capability commoncap snd_seq_midi snd_emu10k1_synth snd_emux_synth snd_seq_virmidi snd_seq_midi_emul loop radeon usb_midi audio snd_usb_audio snd_usb_lib 8139too ne2k_pci 8390 snd_emu10k1 snd_rawmidi snd_util_mem snd_hwdep evdev CPU: 0 EIP: 0060:[] Not tainted VLI EFLAGS: 00210292 (2.6.12-RT-V0.7.50-15) EIP is at snd_emu10k1_pcm_init_voice+0x12/0x5e0 [snd_emu10k1] eax: 000000ff ebx: 0000e000 ecx: 00000000 edx: f6268b74 esi: f62696a4 edi: 0000e000 ebp: f6268000 esp: e2883e1c ds: 007b es: 007b ss: 0068 preempt: 00000001 Process jackd (pid: 26621, threadinfo=e2882000 task=dfa222f0) Stack: f6268000 0808001a 03020100 00000000 f6268590 c17e4920 e2883e80 00000000 00000001 00000000 e4c44c00 000000ff 00000000 0e0d000e 00000000 0000e000 f62696a4 0000e000 00000010 f886666d f6268000 00000000 00000000 f6268b74 Call Trace: [] snd_emu10k1_efx_playback_prepare+0x10d/0x120 [snd_emu10k1] (80) [] snd_pcm_do_prepare+0x11/0x30 (60) [] snd_pcm_action_group+0x11c/0x1e0 (16) [] snd_pcm_action_nonatomic+0x49/0xa0 (32) [] snd_pcm_prepare+0x1d/0x30 (32) [] snd_pcm_playback_ioctl1+0x52/0x2c0 (16) [] futex_wake+0x6b/0xc0 (16) [] wake_futex+0x34/0x80 (4) [] rt_up_read+0x23/0x40 (8) [] futex_wake+0x7f/0xc0 (8) [] futex_wake+0x7f/0xc0 (4) [] do_ioctl+0x9e/0xb0 (28) [] up_mutex+0x32/0x80 (16) [] vfs_ioctl+0x65/0x200 (20) [] fget_light+0x85/0x90 (16) [] sys_ioctl+0x88/0xa0 (20) [] sysenter_past_esp+0x54/0x75 (40) Code: 00 fe 05 00 00 00 06 89 f6 c3 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 90 55 57 56 53 83 ec 3c 8b 54 24 5c 8b 6c 24 50 8b 42 10 <8b> 40 08 8b 40 60 89 44 24 28 8b 4c 24 28 8b 72 04 83 78 2c 02 -- Esben Stien is b0ef@e s a http://www. s t n m irc://irc. b - i . e/%23contact [sip|iax]: e e jid:b0ef@ n n