From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jiri Slaby Subject: BUG: possible deadlock detected! (sound) [Was: 2.6.17-rc5-mm1] Date: Tue, 30 May 2006 12:47:19 +0159 Message-ID: <447C22CE.2060402@gmail.com> References: <20060530022925.8a67b613.akpm@osdl.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from nf-out-0910.google.com (nf-out-0910.google.com [64.233.182.186]) by alsa.jcu.cz (ALSA's E-mail Delivery System) with ESMTP id D7BA3150 for ; Tue, 30 May 2006 12:47:27 +0200 (MEST) Received: by nf-out-0910.google.com with SMTP id l23so74392nfc for ; Tue, 30 May 2006 03:47:27 -0700 (PDT) In-Reply-To: <20060530022925.8a67b613.akpm@osdl.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: alsa-devel-bounces@lists.sourceforge.net Errors-To: alsa-devel-bounces@lists.sourceforge.net To: Andrew Morton Cc: alsa-devel@alsa-project.org, tiwai@suse.de, James@superbug.demon.co.uk, linux-kernel@vger.kernel.org, emu10k1-devel@lists.sourceforge.net, perex@suse.cz List-Id: alsa-devel@alsa-project.org -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Andrew Morton napsal(a): > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.17-rc5/2.6.17-rc5-mm1/ ==================================== [ BUG: possible deadlock detected! ] - ------------------------------------ idle/1 is trying to acquire lock: (&ops->reg_mutex){--..}, at: [] mutex_lock+0x8/0xa but task is already holding lock: (&ops->reg_mutex){--..}, at: [] mutex_lock+0x8/0xa which could potentially lead to deadlocks! other info that might help us debug this: 1 locks held by idle/1: #0: (&ops->reg_mutex){--..}, at: [] mutex_lock+0x8/0xa stack backtrace: [] show_trace+0x1b/0x1d [] dump_stack+0x26/0x28 [] __lockdep_acquire+0xa58/0xd8e [] lockdep_acquire+0x73/0x88 [] __mutex_lock_slowpath+0xb3/0x496 [] mutex_lock+0x8/0xa [] snd_seq_device_new+0x96/0x111 [] snd_emux_init_seq_oss+0x35/0x9c [] snd_emux_register+0x10d/0x13f [] snd_emu10k1_synth_new_device+0xe7/0x14e [] init_device+0x2c/0x94 [] snd_seq_device_register_driver+0x8f/0xeb [] alsa_emu10k1_synth_init+0x22/0x24 [] init+0x12b/0x2f5 [] kernel_thread_helper+0x5/0xb If more info needed, feel free to ask. regards, - -- Jiri Slaby www.fi.muni.cz/~xslaby \_.-^-._ jirislaby@gmail.com _.-^-._/ B67499670407CE62ACC8 22A032CC55C339D47A7E -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.3 (GNU/Linux) Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org iD8DBQFEfCLOMsxVwznUen4RArelAJ0WtN36nSYJ3VWB515Wik2ji8YXAACfe5jD jiPvjBzv4udC7XJPxTUtmOM= =vLLJ -----END PGP SIGNATURE-----