From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030901Ab2COPef (ORCPT ); Thu, 15 Mar 2012 11:34:35 -0400 Received: from cantor2.suse.de ([195.135.220.15]:39173 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932411Ab2COPed (ORCPT ); Thu, 15 Mar 2012 11:34:33 -0400 Date: Thu, 15 Mar 2012 16:34:31 +0100 Message-ID: From: Takashi Iwai To: Sasha Levin Cc: perex@perex.cz, lucas.demarchi@profusion.mobi, Thomas Gleixner , Dave Jones , "linux-kernel@vger.kernel.org List" , alsa-devel@alsa-project.org Subject: Re: sound: BUG: unable to handle kernel irq event stamp: 2013419 In-Reply-To: References: User-Agent: Wanderlust/2.15.6 (Almost Unreal) SEMI/1.14.6 (Maruoka) FLIM/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL/10.7 Emacs/23.3 (x86_64-suse-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org At Thu, 15 Mar 2012 17:25:06 +0200, Sasha Levin wrote: > > Hi all, > > I got the following kernel panic when running the trinity fuzzer in a > KVM tool guest, using today's linux-next. > > Please note that the guest doesn't have anything which even remotely > reminds a multimedia device of any sort, although most of the drivers > are compiled into the kernel. > > [ 145.747790] BUG: unable to handle kernel irq event stamp: 2013419 > [ 145.744076] hardirqs last enabled at (2013419): > [] __call_rcu+0x128/0x2c0 > [ 145.744076] hardirqs last disabled at (2013418): > [] __call_rcu+0x97/0x2c0 > [ 145.744076] softirqs last enabled at (2013156): > [] __do_softirq+0x133/0x180 > [ 145.744076] softirqs last disabled at (2013139): > [] call_softirq+0x1c/0x30 > [ 145.748761] paging request at ffffc9000279e000 > [ 145.748761] IP: [] midi_poll+0x6b/0x180 > [ 145.748761] PGD 3c9bc067 PUD 3c9bd067 PMD 36b5c067 PTE 0 > [ 145.748761] Oops: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC > [ 145.748761] CPU 0 > [ 145.748761] Pid: 3129, comm: trinity Tainted: G W > 3.3.0-rc7-next-20120315-sasha-00002-g91cfd71 #51 > [ 145.748761] RIP: 0010:[] [] > midi_poll+0x6b/0x180 > [ 145.784811] RSP: 0018:ffff88003d603dc0 EFLAGS: 00010086 > [ 145.784811] RAX: 0000000000000000 RBX: 0000000000000282 RCX: ffffc9000279e000 > [ 145.792008] RDX: ffff880034ad0000 RSI: 0000000000000000 RDI: 0000000000000001 > [ 145.792008] RBP: ffff88003d603df0 R08: 0000000000000001 R09: 0000000000000000 > [ 145.792008] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 > [ 145.792008] R13: 0000000010624dd3 R14: 0000000000000001 R15: 0000000000000000 > [ 145.792008] FS: 00007f2af88d0700(0000) GS:ffff88003d600000(0000) > knlGS:0000000000000000 > [ 145.792008] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > [ 145.792008] CR2: ffffc9000279e000 CR3: 0000000035195000 CR4: 00000000000406f0 > [ 145.792008] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > [ 145.792008] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 > [ 145.792008] Process trinity (pid: 3129, threadinfo > ffff880034aca000, task ffff880034ad0000) > [ 145.792008] Stack: > [ 145.792008] ffff880034ad0000 ffff880034acbfd8 ffff88003d603e10 > 0000000000000102 > [ 145.792008] ffffffff82147460 0000000000000000 ffff88003d603e70 > ffffffff810c0c2a > [ 145.792008] ffffffff810c0ba0 ffff88003d603ea0 ffffffff8300abec > ffffffff83d2e370 > [ 145.792008] Call Trace: > [ 145.792008] > [ 145.792008] [] ? midi_input_intr+0xb0/0xb0 > [ 145.792008] [] call_timer_fn.clone.11+0x8a/0x110 > [ 145.792008] [] ? process_timeout+0x10/0x10 > [ 145.792008] [] ? midi_input_intr+0xb0/0xb0 > [ 145.792008] [] run_timer_softirq+0x13a/0x220 > [ 145.792008] [] __do_softirq+0xc8/0x180 > [ 145.792008] [] ? dput+0x13d/0x1d0 > [ 145.792008] [] call_softirq+0x1c/0x30 > [ 145.792008] [] do_softirq+0xc5/0x100 > [ 145.792008] [] irq_exit+0xae/0xe0 > [ 145.792008] [] smp_apic_timer_interrupt+0x68/0xa0 > [ 145.792008] [] apic_timer_interrupt+0x6f/0x80 > [ 145.792008] > [ 145.792008] [] ? retint_restore_args+0x13/0x13 > [ 145.792008] [] ? lock_release+0x98/0xc0 > [ 145.792008] [] _raw_spin_unlock+0x1e/0x60 > [ 145.792008] [] dput+0x13d/0x1d0 > [ 145.792008] [] do_last+0x461/0x790 > [ 145.792008] [] path_openat+0xd7/0x500 > [ 145.792008] [] ? sched_clock_cpu+0xc8/0x140 > [ 145.792008] [] do_filp_open+0x44/0xa0 > [ 145.792008] [] ? _raw_spin_unlock+0x30/0x60 > [ 145.792008] [] ? alloc_fd+0x176/0x240 > [ 145.792008] [] do_sys_open+0xfd/0x1d0 > [ 145.792008] [] sys_open+0x1c/0x20 > [ 145.792008] [] system_call_fastpath+0x1a/0x1f > [ 145.792008] Code: bd d3 4d 62 10 0f 1f 00 4d 63 f4 4a 83 3c f5 e0 > 32 90 84 00 0f 84 ad 00 00 00 4a 8b 0c f5 a0 5b 90 84 48 85 c9 0f 84 > 9c 00 00 00 <8b> 01 85 c0 0f 84 e3 00 00 00 8b 51 04 eb 3d 66 0f 1f 44 > 00 00 > [ 145.792008] RIP [] midi_poll+0x6b/0x180 > [ 145.792008] RSP > [ 145.792008] CR2: ffffc9000279e000 > [ 145.792008] ---[ end trace 31f7a567e17c1567 ]--- > [ 145.792008] Kernel panic - not syncing: Fatal exception in interrupt > [ 145.792008] Rebooting in 1 seconds..\ The bug seems coming from the old OSS driver. Do you enable any OSS drivers? Takashi