From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261486AbULUGnS (ORCPT ); Tue, 21 Dec 2004 01:43:18 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261488AbULUGnS (ORCPT ); Tue, 21 Dec 2004 01:43:18 -0500 Received: from mail.gmx.de ([213.165.64.20]:48534 "HELO mail.gmx.net") by vger.kernel.org with SMTP id S261486AbULUGnN convert rfc822-to-8bit (ORCPT ); Tue, 21 Dec 2004 01:43:13 -0500 X-Authenticated: #9962044 From: marvin24@gmx.de To: Takashi Iwai Subject: Re: [BUG] 2.6.10-rc3 snd-powermac crash Date: Tue, 21 Dec 2004 07:43:05 +0100 User-Agent: KMail/1.7 References: <1103389648.5967.7.camel@gaston> <1103561717.5301.2.camel@gaston> In-Reply-To: <1103561717.5301.2.camel@gaston> Cc: linux-kernel@vger.kernel.org MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8BIT Content-Disposition: inline Message-Id: <200412210743.06396.marvin24@gmx.de> X-Y-GMX-Trusted: 0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi, Le Montag 20 Dezember 2004 17:55, vous avez écrit : > I don't have a 100% reprocase yet, it seem to be related to playing with > an OSS mixer while using an OSS app (like xmms), that is basically > having 2 things opening the OSS emulation, and one of them closing it, > or something like that, causing the rate plugin (and maybe more) to be > tore down, while still in use by the other app (looks like a > use-after-free). on my B/W G3 it crashes when doing such stupid things like "dir > /dev/audio". I'm using debian/sarge, kernel 2.6.10-rc3, alsa 1.0.7. This also happend in past kernel/alsa versions. I don't remember anymore when it started. Sorry, but here is the ops. Oops: kernel access of bad area, sig: 11 [#1] PREEMPT NIP: CE0A40C4 LR: CE0A49D8 SP: C0E2DDC0 REGS: c0e2dd10 TRAP: 0300 Not tainted MSR: 00009032 EE: 1 PR: 0 FP: 0 ME: 1 IR/DR: 11 DAR: CE0AA438, DSISR: 40000000 TASK = c1266d10[5114] 'dir' THREAD: c0e2c000Last syscall: 4 GPR00: 000007F8 C0E2DDC0 C1266D10 C9CCEC80 C426FAA0 C426F5A0 00000200 00000B03 GPR08: 00000001 CE0A9C40 000007F8 CE0A9C80 C37416A4 1002D000 00000000 100C0000 GPR16: 00000000 C426FAA0 C426F5A0 10020000 10020000 10020000 10020000 10010000 GPR24: 00000000 CB796F00 C426FAA0 CE0A407C C426FAA0 C9CCECF0 C9CCEC80 00000B03 NIP [ce0a40c4] resample_expand+0x48/0x3a8 [snd_pcm_oss] LR [ce0a49d8] rate_transfer+0x7c/0x98 [snd_pcm_oss] Call trace: [ce0a49d8] rate_transfer+0x7c/0x98 [snd_pcm_oss] [ce0a13c4] snd_pcm_plug_write_transfer+0x1cc/0x2a0 [snd_pcm_oss] [ce09c520] snd_pcm_oss_write2+0xbc/0x134 [snd_pcm_oss] [ce09ef28] snd_pcm_oss_write+0x268/0x2e4 [snd_pcm_oss] [c005de88] vfs_write+0x114/0x13c [c005df8c] sys_write+0x4c/0x90 [c0004420] ret_from_syscall+0x0/0x44 Greetings Marc