From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756530AbYKQEQG (ORCPT ); Sun, 16 Nov 2008 23:16:06 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755909AbYKQEPy (ORCPT ); Sun, 16 Nov 2008 23:15:54 -0500 Received: from wa-out-1112.google.com ([209.85.146.180]:29471 "EHLO wa-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755839AbYKQEPx (ORCPT ); Sun, 16 Nov 2008 23:15:53 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=subject:from:to:content-type:date:message-id:mime-version:x-mailer :content-transfer-encoding; b=YeSameTZ0AQ5okBMpjswqDYRLVl7u64Hq7hSK7Nbypv5qDWpdezp06A39+UgxFS52O 60dLPH2g8A99nqjcMQk172LKNVNkaj8I0YZIM+ggpoewptA9tnJYDNkHSZelu+s6fciI Wvjjmec6wufTwNeoos4NhyKswjqnqWv6sHe5c= Subject: [ INFO: possible recursive locking detected ] From: "Justin P. Mattock" To: Linux Kernel Mailing List Content-Type: text/plain Date: Sun, 16 Nov 2008 20:15:47 -0800 Message-Id: <1226895348.3212.3.camel@LiNuX> Mime-Version: 1.0 X-Mailer: Evolution 2.24.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Whoa! should I been running only kvm-intel without kqemu, or do both need to be loaded? (this is from mounting my osx external drive, and then running qemu on that drive) [ 412.848254] [ 412.848257] ============================================= [ 412.848264] [ INFO: possible recursive locking detected ] [ 412.848270] 2.6.28-rc5-00018-ged82a0e #8 [ 412.848273] --------------------------------------------- [ 412.848278] qemu-img/3166 is trying to acquire lock: [ 412.848283] (&sb->s_type->i_mutex_key#10){--..}, at: [] hfsplus_block_allocate+0x3d/0x2f6 [hfsplus] [ 412.848308] [ 412.848309] but task is already holding lock: [ 412.848313] (&sb->s_type->i_mutex_key#10){--..}, at: [] generic_file_aio_write+0x54/0xbd [ 412.848330] [ 412.848331] other info that might help us debug this: [ 412.848337] 2 locks held by qemu-img/3166: [ 412.848340] #0: (&sb->s_type->i_mutex_key#10){--..}, at: [] generic_file_aio_write+0x54/0xbd [ 412.848356] #1: (&HFSPLUS_I(inode).extents_lock){--..}, at: [] hfsplus_file_extend+0x6e/0x1e8 [hfsplus] [ 412.848378] [ 412.848379] stack backtrace: [ 412.848384] Pid: 3166, comm: qemu-img Not tainted 2.6.28-rc5-00018-ged82a0e #8 [ 412.848389] Call Trace: [ 412.848399] [] ? printk+0xf/0x14 [ 412.848408] [] __lock_acquire+0xbff/0x1272 [ 412.848423] [] ? hfsplus_file_extend+0x6e/0x1e8 [hfsplus] [ 412.848431] [] ? __lock_acquire+0x1259/0x1272 [ 412.848439] [] ? dump_trace+0xb7/0xeb [ 412.848447] [] ? find_usage_backwards+0x33/0xea [ 412.848454] [] lock_acquire+0x70/0x97 [ 412.848468] [] ? hfsplus_block_allocate+0x3d/0x2f6 [hfsplus] [ 412.848476] [] mutex_lock_nested+0xd2/0x26d [ 412.848490] [] ? hfsplus_block_allocate+0x3d/0x2f6 [hfsplus] [ 412.848504] [] ? hfsplus_block_allocate+0x3d/0x2f6 [hfsplus] [ 412.848519] [] hfsplus_block_allocate+0x3d/0x2f6 [hfsplus] [ 412.848526] [] ? mutex_lock_nested+0x265/0x26d [ 412.848541] [] hfsplus_file_extend+0xc2/0x1e8 [hfsplus] [ 412.848550] [] ? create_empty_buffers+0x80/0x8b [ 412.848564] [] hfsplus_get_block+0x8a/0x19b [hfsplus] [ 412.848572] [] __block_prepare_write+0x146/0x331 [ 412.848580] [] ? trace_hardirqs_on+0xb/0xd [ 412.848589] [] ? add_to_page_cache_locked+0x92/0x9b [ 412.848597] [] ? __grab_cache_page+0x4d/0x6d [ 412.848605] [] block_write_begin+0x72/0xc9 [ 412.848618] [] ? hfsplus_get_block+0x0/0x19b [hfsplus] [ 412.848627] [] cont_write_begin+0x24f/0x27d [ 412.848640] [] ? hfsplus_get_block+0x0/0x19b [hfsplus] [ 412.848654] [] hfsplus_write_begin+0x2d/0x32 [hfsplus] [ 412.848668] [] ? hfsplus_get_block+0x0/0x19b [hfsplus] [ 412.848683] [] generic_file_buffered_write+0xcf/0x218 [ 412.848694] [] __generic_file_aio_write_nolock+0x3cf/0x407 [ 412.848702] [] ? mark_held_locks+0x53/0x6a [ 412.848709] [] ? trace_hardirqs_on_caller+0xf0/0x118 [ 412.848717] [] ? generic_file_aio_write+0x54/0xbd [ 412.848726] [] generic_file_aio_write+0x69/0xbd [ 412.848735] [] do_sync_write+0xab/0xe9 [ 412.848743] [] ? autoremove_wake_function+0x0/0x33 [ 412.848753] [] ? selinux_file_permission+0x102/0x108 [ 412.848761] [] ? security_file_permission+0xf/0x11 [ 412.848768] [] ? do_sync_write+0x0/0xe9 [ 412.848774] [] vfs_write+0x8a/0x104 [ 412.848781] [] sys_write+0x3b/0x60 [ 412.848789] [] sysenter_do_call+0x12/0x3f [ 412.848797] [] ? x86_emulate_insn+0x15df/0x3e27 [ 475.947913] QEMU Accelerator Module version 1.3.0, Copyright (c) 2005-2007 Fabrice Bellard [ 475.948081] KQEMU installed, max_locked_mem=506216kB. -- Justin P. Mattock