Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757293AbXEaO2i (ORCPT ); Thu, 31 May 2007 10:28:38 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752478AbXEaO2b (ORCPT ); Thu, 31 May 2007 10:28:31 -0400 Received: from mx2.compro.net ([216.54.166.4]:47231 "EHLO mx2.compro.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752429AbXEaO23 (ORCPT ); Thu, 31 May 2007 10:28:29 -0400 X-IronPort-AV: E=Sophos;i="4.14,599,1170651600"; d="txt'?scan'208";a="401001" Message-ID: <465EDB97.5070908@compro.net> Date: Thu, 31 May 2007 10:28:39 -0400 From: Mark Hounschell Reply-To: markh@compro.net Organization: Compro Computer Svcs. User-Agent: Thunderbird 1.5.0.10 (X11/20060911) MIME-Version: 1.0 To: Andrew Morton CC: linux-kernel@vger.kernel.org, Oleg Nesterov Subject: Re: floppy.c soft lockup References: <465C6359.1020106@compro.net> <20070530224650.04b33117.akpm@linux-foundation.org> In-Reply-To: <20070530224650.04b33117.akpm@linux-foundation.org> Content-Type: multipart/mixed; boundary="------------080906060209080602090106" Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 28846 Lines: 425 This is a multi-part message in MIME format. --------------080906060209080602090106 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Andrew Morton wrote: > On Tue, 29 May 2007 13:31:05 -0400 Mark Hounschell wrote: > >> Changes in floppy.c from 2.6.17 and 2.6.18 have broken an application I have. I have tracked >> it down to a single line of code. When the following patch is applied to the version in 2.6.18 >> my application works. >> >> --- linux-2.6.18/drivers/block/floppy.c 2006-09-19 23:42:06.000000000 -0400 >> +++ linux-2.6.18-crt/drivers/block/floppy.c 2007-05-29 09:12:20.000000000 -0400 >> @@ -893,7 +893,6 @@ >> set_current_state(TASK_RUNNING); >> remove_wait_queue(&fdc_wait, &wait); >> >> - flush_scheduled_work(); >> } >> command_status = FD_COMMAND_NONE; >> >> I don't claim to understand the changes from 2.6.17 to 2.6.18 except for the devfs removal. >> All I can say is this one line of code kills the application. I have tried to write a short pgm >> that shows my problem but everything else I write seems to work. The application only runs >> on SMP machines and uses process and irq affinities with real-time scheduling. When I turn >> off process and irq affinities the application runs. >> >> I have tried kernels up through 2.6.21.1 with the same results. All kernels from 2.6.18 up >> require that I remove this one line of code or my application does not work? > > Interesting. I'd expect that the calling process is spinning, with realtime > policy and is expecting some other process to do something (ie: run a workqueue). > > If you keep the process and irq affinities, and disable the realtime policy > does that also prevent the problem? > Yes it does. > It would be interesting it you could capture a few task traces while it is stuck: > echo 1 > /proc/sys/kernel/sysrq then do ALT-SYSRQ-P a bunch of times and ALT-SYSRQ-T, > see if you can work out where the CPU is stuck. > I've attached the syslog output as a result of doing the above. I can't really make any kind of determination from it myself as I don't really knowing what I'm looking at. > ALso, 2.6.22-rc3 might have accidentally fixed this. > No. Same thing there. The traces attached are using 2.6.22-rc3. Basically the main RT-process (which is a CPU bound process on processor-2) signals a thread to do some I/O. That RT-thread (running on the other processor) does a simple ioctl(Q->DevSpec1, FDSETPRM, &medprm) and there is no return from the call. That thread is hung. Thanks Mark --------------080906060209080602090106 Content-Type: text/plain; name="sysrq.txt" Content-Transfer-Encoding: 7bit Content-Disposition: inline; filename="sysrq.txt" May 31 10:13:11 harley kernel: ======================= May 31 10:13:11 harley kernel: vrsx S E6513DD8 0 12647 12288 (NOTLB) May 31 10:13:11 harley kernel: e6513dec 00200082 00000002 e6513dd8 e6513dd4 00000000 00000000 00000000 May 31 10:13:11 harley kernel: 00000001 e8c0c030 dbde5030 edfda2ef 00000298 00000ef0 e8c0c150 c180aa80 May 31 10:13:11 harley kernel: 00000000 c199f480 e6513e14 c012fc27 00200202 e6513eac e6513e20 c199f4b4 May 31 10:13:11 harley kernel: Call Trace: May 31 10:13:11 harley kernel: [] unqueue_me+0x7c/0x84 May 31 10:13:11 harley kernel: [] futex_wait+0x1db/0x3bd May 31 10:13:11 harley kernel: [] find_extend_vma+0x12/0x49 May 31 10:13:11 harley kernel: [] get_futex_key+0x6e/0x126 May 31 10:13:11 harley kernel: [] futex_wake+0xa9/0xb3 May 31 10:13:11 harley kernel: [] default_wake_function+0x0/0xc May 31 10:13:11 harley kernel: [] do_futex+0x6f/0xf4a May 31 10:13:11 harley kernel: [] preempt_schedule+0x3d/0x59 May 31 10:13:11 harley kernel: [] migrate_task+0x46/0x74 May 31 10:13:11 harley kernel: [] set_cpus_allowed+0x70/0x8e May 31 10:13:11 harley kernel: [] sys_futex+0xc8/0xda May 31 10:13:11 harley kernel: [] sysenter_past_esp+0x5f/0x85 May 31 10:13:11 harley kernel: ======================= May 31 10:13:11 harley kernel: vrsx S CA655DD8 0 12648 12288 (NOTLB) May 31 10:13:11 harley kernel: ca655dec 00200082 00000002 ca655dd8 ca655dd4 00000000 00000000 b6c97248 May 31 10:13:11 harley kernel: 00000001 dbde5030 dbde5a90 edfdb21a 00000298 00000f2b dbde5150 c180aa80 May 31 10:13:11 harley kernel: 00000000 c199f480 ca655e14 c012fc27 00200202 ca655eac ca655e20 c199f4b4 May 31 10:13:11 harley kernel: Call Trace: May 31 10:13:11 harley kernel: [] unqueue_me+0x7c/0x84 May 31 10:13:11 harley kernel: [] futex_wait+0x1db/0x3bd May 31 10:13:11 harley kernel: [] find_extend_vma+0x12/0x49 May 31 10:13:11 harley kernel: [] get_futex_key+0x6e/0x126 May 31 10:13:11 harley kernel: [] futex_wake+0xa9/0xb3 May 31 10:13:11 harley kernel: [] default_wake_function+0x0/0xc May 31 10:13:11 harley kernel: [] do_futex+0x6f/0xf4a May 31 10:13:11 harley kernel: [] preempt_schedule+0x3d/0x59 May 31 10:13:11 harley kernel: [] migrate_task+0x46/0x74 May 31 10:13:11 harley kernel: [] set_cpus_allowed+0x70/0x8e May 31 10:13:11 harley kernel: [] sys_futex+0xc8/0xda May 31 10:13:11 harley kernel: [] sysenter_past_esp+0x5f/0x85 May 31 10:13:11 harley kernel: ======================= May 31 10:13:11 harley kernel: vrsx S DED1BDD8 0 12649 12288 (NOTLB) May 31 10:13:11 harley kernel: ded1bdec 00200082 00000002 ded1bdd8 ded1bdd4 00000000 00000060 00200206 May 31 10:13:11 harley kernel: 00000001 dbde5a90 d629aa90 edfdbf8c 00000298 00000d72 dbde5bb0 c180aa80 May 31 10:13:11 harley kernel: 00000000 c199f480 ded1be14 c012fc27 00200202 ded1beac ded1be20 c199f4b4 May 31 10:13:11 harley kernel: Call Trace: May 31 10:13:11 harley kernel: [] unqueue_me+0x7c/0x84 May 31 10:13:11 harley kernel: [] futex_wait+0x1db/0x3bd May 31 10:13:11 harley kernel: [] find_extend_vma+0x12/0x49 May 31 10:13:11 harley kernel: [] get_futex_key+0x6e/0x126 May 31 10:13:11 harley kernel: [] futex_wake+0xa9/0xb3 May 31 10:13:11 harley kernel: [] default_wake_function+0x0/0xc May 31 10:13:11 harley kernel: [] do_futex+0x6f/0xf4a May 31 10:13:11 harley kernel: [] preempt_schedule+0x3d/0x59 May 31 10:13:11 harley kernel: [] migrate_task+0x46/0x74 May 31 10:13:11 harley kernel: [] set_cpus_allowed+0x70/0x8e May 31 10:13:11 harley kernel: [] sys_futex+0xc8/0xda May 31 10:13:11 harley kernel: [] sysenter_past_esp+0x5f/0x85 May 31 10:13:11 harley kernel: ======================= May 31 10:13:11 harley kernel: vrsx S DC153DD8 0 12650 12288 (NOTLB) May 31 10:13:11 harley kernel: dc153dec 00200082 00000002 dc153dd8 dc153dd4 00000000 00000060 00200206 May 31 10:13:11 harley kernel: 00000001 d629aa90 d629a030 edfdce5a 00000298 00000ece d629abb0 c180aa80 May 31 10:13:11 harley kernel: 00000000 c199f480 dc153e14 c012fc27 00200202 dc153eac dc153e20 c199f4b4 May 31 10:13:11 harley kernel: Call Trace: May 31 10:13:11 harley kernel: [] unqueue_me+0x7c/0x84 May 31 10:13:11 harley kernel: [] futex_wait+0x1db/0x3bd May 31 10:13:11 harley kernel: [] find_extend_vma+0x12/0x49 May 31 10:13:11 harley kernel: [] get_futex_key+0x6e/0x126 May 31 10:13:11 harley kernel: [] futex_wake+0xa9/0xb3 May 31 10:13:11 harley kernel: [] default_wake_function+0x0/0xc May 31 10:13:11 harley kernel: [] do_futex+0x6f/0xf4a May 31 10:13:11 harley kernel: [] preempt_schedule+0x3d/0x59 May 31 10:13:11 harley kernel: [] migrate_task+0x46/0x74 May 31 10:13:11 harley kernel: [] set_cpus_allowed+0x70/0x8e May 31 10:13:11 harley kernel: [] sys_futex+0xc8/0xda May 31 10:13:11 harley kernel: [] sysenter_past_esp+0x5f/0x85 May 31 10:13:11 harley kernel: ======================= May 31 10:13:11 harley kernel: vrsx S C8E1DDD8 0 12651 12288 (NOTLB) May 31 10:13:11 harley kernel: c8e1ddec 00200082 00000002 c8e1ddd8 c8e1ddd4 00000000 c199f480 dfe47d34 May 31 10:13:11 harley kernel: 00000001 d629a030 f3bcba90 edfddd76 00000298 00000f1c d629a150 c180aa80 May 31 10:13:11 harley kernel: 00000000 c199f480 c8e1de14 c012fc27 00200202 c8e1deac c8e1de20 c199f4b4 May 31 10:13:11 harley kernel: Call Trace: May 31 10:13:11 harley kernel: [] unqueue_me+0x7c/0x84 May 31 10:13:11 harley kernel: [] futex_wait+0x1db/0x3bd May 31 10:13:11 harley kernel: [] find_extend_vma+0x12/0x49 May 31 10:13:11 harley kernel: [] get_futex_key+0x6e/0x126 May 31 10:13:11 harley kernel: [] futex_wake+0xa9/0xb3 May 31 10:13:11 harley kernel: [] default_wake_function+0x0/0xc May 31 10:13:11 harley kernel: [] do_futex+0x6f/0xf4a May 31 10:13:11 harley kernel: [] preempt_schedule+0x3d/0x59 May 31 10:13:11 harley kernel: [] migrate_task+0x46/0x74 May 31 10:13:11 harley kernel: [] set_cpus_allowed+0x70/0x8e May 31 10:13:11 harley kernel: [] sys_futex+0xc8/0xda May 31 10:13:11 harley kernel: [] sysenter_past_esp+0x5f/0x85 May 31 10:13:11 harley kernel: ======================= May 31 10:13:11 harley kernel: vrsx S C3F61DD8 0 12652 12288 (NOTLB) May 31 10:13:11 harley kernel: c3f61dec 00200082 00000002 c3f61dd8 c3f61dd4 00000000 00000060 00200206 May 31 10:13:11 harley kernel: 00000001 f3bcba90 f75b8030 edfdebdd 00000298 00000e67 f3bcbbb0 c180aa80 May 31 10:13:11 harley kernel: 00000000 c199f480 c3f61e14 c012fc27 00200202 c3f61eac c3f61e20 c199f4b4 May 31 10:13:11 harley kernel: Call Trace: May 31 10:13:11 harley kernel: [] unqueue_me+0x7c/0x84 May 31 10:13:11 harley kernel: [] futex_wait+0x1db/0x3bd May 31 10:13:11 harley kernel: [] find_extend_vma+0x12/0x49 May 31 10:13:11 harley kernel: [] get_futex_key+0x6e/0x126 May 31 10:13:11 harley kernel: [] futex_wake+0xa9/0xb3 May 31 10:13:11 harley kernel: [] default_wake_function+0x0/0xc May 31 10:13:11 harley kernel: [] do_futex+0x6f/0xf4a May 31 10:13:11 harley kernel: [] preempt_schedule+0x3d/0x59 May 31 10:13:11 harley kernel: [] migrate_task+0x46/0x74 May 31 10:13:11 harley kernel: [] set_cpus_allowed+0x70/0x8e May 31 10:13:11 harley kernel: [] sys_futex+0xc8/0xda May 31 10:13:11 harley kernel: [] sysenter_past_esp+0x5f/0x85 May 31 10:13:11 harley kernel: ======================= May 31 10:13:11 harley kernel: vrsx S C4025DD8 0 12653 12288 (NOTLB) May 31 10:13:11 harley kernel: c4025dec 00200082 00000002 c4025dd8 c4025dd4 00000000 f75b8030 0ddeea02 May 31 10:13:11 harley kernel: 00000001 f75b8030 f75b8a90 edfdf9d6 00000298 00000df9 f75b8150 c180aa80 May 31 10:13:11 harley kernel: 00000000 c199f480 c4025e14 c012fc27 00200202 c4025eac c4025e20 c199f4b4 May 31 10:13:11 harley kernel: Call Trace: May 31 10:13:11 harley kernel: [] unqueue_me+0x7c/0x84 May 31 10:13:11 harley kernel: [] futex_wait+0x1db/0x3bd May 31 10:13:11 harley kernel: [] find_extend_vma+0x12/0x49 May 31 10:13:11 harley kernel: [] get_futex_key+0x6e/0x126 May 31 10:13:11 harley kernel: [] futex_wake+0xa9/0xb3 May 31 10:13:11 harley kernel: [] default_wake_function+0x0/0xc May 31 10:13:11 harley kernel: [] do_futex+0x6f/0xf4a May 31 10:13:11 harley kernel: [] preempt_schedule+0x3d/0x59 May 31 10:13:11 harley kernel: [] migrate_task+0x46/0x74 May 31 10:13:11 harley kernel: [] set_cpus_allowed+0x70/0x8e May 31 10:13:11 harley kernel: [] sys_futex+0xc8/0xda May 31 10:13:11 harley kernel: [] sysenter_past_esp+0x5f/0x85 May 31 10:13:11 harley kernel: ======================= May 31 10:13:11 harley kernel: vrsx S F4F5DDD8 0 12654 12288 (NOTLB) May 31 10:13:11 harley kernel: f4f5ddec 00200082 00000002 f4f5ddd8 f4f5ddd4 00000000 f75b8a90 0df68c4e May 31 10:13:11 harley kernel: 00000001 f75b8a90 c4846a90 edfe094e 00000298 00000f78 f75b8bb0 c180aa80 May 31 10:13:11 harley kernel: 00000000 c199f480 f4f5de14 c012fc27 00200202 f4f5deac f4f5de20 c199f4b4 May 31 10:13:11 harley kernel: Call Trace: May 31 10:13:11 harley kernel: [] unqueue_me+0x7c/0x84 May 31 10:13:11 harley kernel: [] futex_wait+0x1db/0x3bd May 31 10:13:11 harley kernel: [] find_extend_vma+0x12/0x49 May 31 10:13:11 harley kernel: [] get_futex_key+0x6e/0x126 May 31 10:13:11 harley kernel: [] futex_wake+0xa9/0xb3 May 31 10:13:11 harley kernel: [] default_wake_function+0x0/0xc May 31 10:13:11 harley kernel: [] do_futex+0x6f/0xf4a May 31 10:13:11 harley kernel: [] preempt_schedule+0x3d/0x59 May 31 10:13:11 harley kernel: [] migrate_task+0x46/0x74 May 31 10:13:11 harley kernel: [] set_cpus_allowed+0x70/0x8e May 31 10:13:11 harley kernel: [] sys_futex+0xc8/0xda May 31 10:13:11 harley kernel: [] sysenter_past_esp+0x5f/0x85 May 31 10:13:11 harley kernel: ======================= May 31 10:13:11 harley kernel: vrsx S F1AD1DD8 0 12655 12288 (NOTLB) May 31 10:13:11 harley kernel: f1ad1dec 00200082 00000002 f1ad1dd8 f1ad1dd4 00000000 c4846a90 0e11dd88 May 31 10:13:11 harley kernel: 00000001 c4846a90 dc68aa90 edfe16d9 00000298 00000d8b c4846bb0 c180aa80 May 31 10:13:11 harley kernel: 00000000 c199f480 f1ad1e14 c012fc27 00200202 f1ad1eac f1ad1e20 c199f4b4 May 31 10:13:11 harley kernel: Call Trace: May 31 10:13:11 harley kernel: [] unqueue_me+0x7c/0x84 May 31 10:13:11 harley kernel: [] futex_wait+0x1db/0x3bd May 31 10:13:11 harley kernel: [] find_extend_vma+0x12/0x49 May 31 10:13:11 harley kernel: [] get_futex_key+0x6e/0x126 May 31 10:13:11 harley kernel: [] futex_wake+0xa9/0xb3 May 31 10:13:11 harley kernel: [] default_wake_function+0x0/0xc May 31 10:13:11 harley kernel: [] do_futex+0x6f/0xf4a May 31 10:13:11 harley kernel: [] preempt_schedule+0x3d/0x59 May 31 10:13:11 harley kernel: [] migrate_task+0x46/0x74 May 31 10:13:11 harley kernel: [] set_cpus_allowed+0x70/0x8e May 31 10:13:11 harley kernel: [] sys_futex+0xc8/0xda May 31 10:13:11 harley kernel: [] sysenter_past_esp+0x5f/0x85 May 31 10:13:11 harley kernel: ======================= May 31 10:13:11 harley kernel: vrsx S F0A07DD8 0 12656 12288 (NOTLB) May 31 10:13:11 harley kernel: f0a07dec 00200082 00000002 f0a07dd8 f0a07dd4 00000000 dc68aa90 0e2c331d May 31 10:13:11 harley kernel: 00000001 dc68aa90 dc68a560 edfe254f 00000298 00000e76 dc68abb0 c180aa80 May 31 10:13:11 harley kernel: 00000000 c199f480 f0a07e14 c012fc27 00200202 f0a07eac f0a07e20 c199f4b4 May 31 10:13:11 harley kernel: Call Trace: May 31 10:13:11 harley kernel: [] unqueue_me+0x7c/0x84 May 31 10:13:11 harley kernel: [] futex_wait+0x1db/0x3bd May 31 10:13:11 harley kernel: [] find_extend_vma+0x12/0x49 May 31 10:13:11 harley kernel: [] get_futex_key+0x6e/0x126 May 31 10:13:11 harley kernel: [] futex_wake+0xa9/0xb3 May 31 10:13:11 harley kernel: [] default_wake_function+0x0/0xc May 31 10:13:11 harley kernel: [] do_futex+0x6f/0xf4a May 31 10:13:11 harley kernel: [] preempt_schedule+0x3d/0x59 May 31 10:13:11 harley kernel: [] migrate_task+0x46/0x74 May 31 10:13:11 harley kernel: [] set_cpus_allowed+0x70/0x8e May 31 10:13:11 harley kernel: [] sys_futex+0xc8/0xda May 31 10:13:11 harley kernel: [] sysenter_past_esp+0x5f/0x85 May 31 10:13:11 harley kernel: ======================= May 31 10:13:11 harley kernel: vrsx S F0293DD8 0 12657 12288 (NOTLB) May 31 10:13:11 harley kernel: f0293dec 00200082 00000002 f0293dd8 f0293dd4 00000000 00000060 00200287 May 31 10:13:11 harley kernel: 00000001 dc68a560 f0f04a90 edfe32a3 00000298 00000d54 dc68a680 c180aa80 May 31 10:13:11 harley kernel: 00000000 c199f480 f0293e14 c012fc27 00200202 f0293eac f0293e20 c199f4b4 May 31 10:13:11 harley kernel: Call Trace: May 31 10:13:11 harley kernel: [] unqueue_me+0x7c/0x84 May 31 10:13:11 harley kernel: [] futex_wait+0x1db/0x3bd May 31 10:13:11 harley kernel: [] find_extend_vma+0x12/0x49 May 31 10:13:11 harley kernel: [] get_futex_key+0x6e/0x126 May 31 10:13:11 harley kernel: [] futex_wake+0xa9/0xb3 May 31 10:13:11 harley kernel: [] default_wake_function+0x0/0xc May 31 10:13:11 harley kernel: [] do_futex+0x6f/0xf4a May 31 10:13:11 harley kernel: [] preempt_schedule+0x3d/0x59 May 31 10:13:11 harley kernel: [] migrate_task+0x46/0x74 May 31 10:13:11 harley kernel: [] set_cpus_allowed+0x70/0x8e May 31 10:13:11 harley kernel: [] sys_futex+0xc8/0xda May 31 10:13:11 harley kernel: [] sysenter_past_esp+0x5f/0x85 May 31 10:13:11 harley kernel: ======================= May 31 10:13:11 harley kernel: vrsx S E5C0FDD8 0 12658 12288 (NOTLB) May 31 10:13:11 harley kernel: e5c0fdec 00200082 00000002 e5c0fdd8 e5c0fdd4 00000000 f0f04a90 0e5de043 May 31 10:13:11 harley kernel: 00000001 f0f04a90 dabeb030 edfe3fbd 00000298 00000d1a f0f04bb0 c180aa80 May 31 10:13:11 harley kernel: 00000000 c199f480 e5c0fe14 c012fc27 00200202 e5c0feac e5c0fe20 c199f4b4 May 31 10:13:11 harley kernel: Call Trace: May 31 10:13:11 harley kernel: [] unqueue_me+0x7c/0x84 May 31 10:13:11 harley kernel: [] futex_wait+0x1db/0x3bd May 31 10:13:11 harley kernel: [] find_extend_vma+0x12/0x49 May 31 10:13:11 harley kernel: [] get_futex_key+0x6e/0x126 May 31 10:13:11 harley kernel: [] futex_wake+0xa9/0xb3 May 31 10:13:11 harley kernel: [] default_wake_function+0x0/0xc May 31 10:13:11 harley kernel: [] do_futex+0x6f/0xf4a May 31 10:13:11 harley kernel: [] preempt_schedule+0x3d/0x59 May 31 10:13:11 harley kernel: [] migrate_task+0x46/0x74 May 31 10:13:11 harley kernel: [] set_cpus_allowed+0x70/0x8e May 31 10:13:11 harley kernel: [] sys_futex+0xc8/0xda May 31 10:13:11 harley kernel: [] sysenter_past_esp+0x5f/0x85 May 31 10:13:11 harley kernel: ======================= May 31 10:13:11 harley kernel: vrsx S F2FC3DD8 0 12659 12288 (NOTLB) May 31 10:13:11 harley kernel: f2fc3dec 00200082 00000002 f2fc3dd8 f2fc3dd4 00000000 dabeb030 0e76131e May 31 10:13:11 harley kernel: 00000001 dabeb030 dabeb560 edfe4d8c 00000298 00000dcf dabeb150 c180aa80 May 31 10:13:11 harley kernel: 00000000 c199f480 f2fc3e14 c012fc27 00200202 f2fc3eac f2fc3e20 c199f4b4 May 31 10:13:11 harley kernel: Call Trace: May 31 10:13:11 harley kernel: [] unqueue_me+0x7c/0x84 May 31 10:13:11 harley kernel: [] futex_wait+0x1db/0x3bd May 31 10:13:11 harley kernel: [] find_extend_vma+0x12/0x49 May 31 10:13:11 harley kernel: [] get_futex_key+0x6e/0x126 May 31 10:13:11 harley kernel: [] futex_wake+0xa9/0xb3 May 31 10:13:11 harley kernel: [] default_wake_function+0x0/0xc May 31 10:13:11 harley kernel: [] do_futex+0x6f/0xf4a May 31 10:13:11 harley kernel: [] preempt_schedule+0x3d/0x59 May 31 10:13:11 harley kernel: [] migrate_task+0x46/0x74 May 31 10:13:11 harley kernel: [] set_cpus_allowed+0x70/0x8e May 31 10:13:11 harley kernel: [] sys_futex+0xc8/0xda May 31 10:13:11 harley kernel: [] sysenter_past_esp+0x5f/0x85 May 31 10:13:11 harley kernel: ======================= May 31 10:13:11 harley kernel: vrsx S E353BDD8 0 12660 12288 (NOTLB) May 31 10:13:11 harley kernel: e353bdec 00200082 00000002 e353bdd8 e353bdd4 00000000 dabeb560 0e8d67f3 May 31 10:13:11 harley kernel: 00000001 dabeb560 c19f3560 edfe5a65 00000298 00000cd9 dabeb680 c180aa80 May 31 10:13:11 harley kernel: 00000000 c199f480 e353be14 c012fc27 00200202 e353beac e353be20 c199f4b4 May 31 10:13:11 harley kernel: Call Trace: May 31 10:13:11 harley kernel: [] unqueue_me+0x7c/0x84 May 31 10:13:11 harley kernel: [] futex_wait+0x1db/0x3bd May 31 10:13:11 harley kernel: [] find_extend_vma+0x12/0x49 May 31 10:13:11 harley kernel: [] get_futex_key+0x6e/0x126 May 31 10:13:11 harley kernel: [] futex_wake+0xa9/0xb3 May 31 10:13:11 harley kernel: [] default_wake_function+0x0/0xc May 31 10:13:11 harley kernel: [] do_futex+0x6f/0xf4a May 31 10:13:11 harley kernel: [] preempt_schedule+0x3d/0x59 May 31 10:13:11 harley kernel: [] migrate_task+0x46/0x74 May 31 10:13:11 harley kernel: [] set_cpus_allowed+0x70/0x8e May 31 10:13:11 harley kernel: [] sys_futex+0xc8/0xda May 31 10:13:11 harley kernel: [] sysenter_past_esp+0x5f/0x85 May 31 10:13:11 harley kernel: ======================= May 31 10:13:11 harley kernel: vrsx S E5063DD8 0 12661 12288 (NOTLB) May 31 10:13:11 harley kernel: e5063dec 00200082 00000002 e5063dd8 e5063dd4 00000000 00000000 00000000 May 31 10:13:11 harley kernel: 00000001 e77e8560 c032e360 0eac2c38 00000297 00002691 e77e8680 c180aa80 May 31 10:13:11 harley kernel: 00000000 c199f480 00097b02 ffffffff 00000000 00000000 e5063e20 c199f4b4 May 31 10:13:11 harley kernel: Call Trace: May 31 10:13:11 harley kernel: [] futex_wait+0x1db/0x3bd May 31 10:13:11 harley kernel: [] __sched_text_start+0x73e/0x7f0 May 31 10:13:11 harley kernel: [] default_wake_function+0x0/0xc May 31 10:13:11 harley kernel: [] do_futex+0x6f/0xf4a May 31 10:13:11 harley kernel: [] preempt_schedule+0x3d/0x59 May 31 10:13:11 harley kernel: [] migrate_task+0x46/0x74 May 31 10:13:11 harley kernel: [] set_cpus_allowed+0x70/0x8e May 31 10:13:11 harley kernel: [] sys_futex+0xc8/0xda May 31 10:13:11 harley kernel: [] sysenter_past_esp+0x5f/0x85 May 31 10:13:11 harley kernel: [] clone_policy+0x42/0xe5 May 31 10:13:11 harley kernel: ======================= May 31 10:13:11 harley kernel: vrsx S E6E5DB50 0 12662 12288 (NOTLB) May 31 10:13:11 harley kernel: e6e5db64 00200082 00000002 e6e5db50 e6e5db4c 00000000 00000000 00000000 May 31 10:13:11 harley kernel: 00000001 e77e8a90 c032e360 fba335be 00000312 00003057 e77e8bb0 c180aa80 May 31 10:13:11 harley kernel: 00000000 c199f480 000b83bb fffffffd 00000000 00000000 e6e5db74 000b8401 May 31 10:13:11 harley kernel: Call Trace: May 31 10:13:11 harley kernel: [] schedule_timeout+0x70/0x8d May 31 10:13:11 harley kernel: [] process_timeout+0x0/0x5 May 31 10:13:11 harley kernel: [] do_select+0x393/0x3e0 May 31 10:13:11 harley kernel: [] __pollwait+0x0/0xac May 31 10:13:11 harley kernel: [] default_wake_function+0x0/0xc May 31 10:13:11 harley kernel: [] default_wake_function+0x0/0xc May 31 10:13:11 harley kernel: [] __activate_task+0x1c/0x29 May 31 10:13:11 harley kernel: [] try_to_wake_up+0x399/0x3a3 May 31 10:13:11 harley kernel: [] autoremove_wake_function+0x15/0x35 May 31 10:13:11 harley kernel: [] __wake_up_common+0x32/0x55 May 31 10:13:11 harley kernel: [] __wake_up+0x32/0x43 May 31 10:13:11 harley kernel: [] insert_work+0x61/0x65 May 31 10:13:11 harley kernel: [] __sched_text_start+0x73e/0x7f0 May 31 10:13:11 harley kernel: [] __sched_text_start+0x765/0x7f0 May 31 10:13:11 harley kernel: [] try_to_wake_up+0x399/0x3a3 May 31 10:13:11 harley kernel: [] lock_hrtimer_base+0x15/0x2f May 31 10:13:11 harley kernel: [] iput+0x39/0x62 May 31 10:13:11 harley kernel: [] unqueue_me+0x7c/0x84 May 31 10:13:11 harley kernel: [] futex_wait+0x335/0x3bd May 31 10:13:11 harley kernel: [] __activate_task+0x1c/0x29 May 31 10:13:11 harley kernel: [] try_to_wake_up+0x399/0x3a3 May 31 10:13:11 harley kernel: [] core_sys_select+0x29d/0x2ba May 31 10:13:11 harley kernel: [] __wake_up_common+0x32/0x55 May 31 10:13:11 harley kernel: [] __wake_up+0x32/0x43 May 31 10:13:11 harley kernel: [] wake_futex+0x3b/0x45 May 31 10:13:11 harley kernel: [] do_futex+0xee1/0xf4a May 31 10:13:11 harley kernel: [] __sched_text_start+0x7a7/0x7f0 May 31 10:13:11 harley kernel: [] set_load_weight+0x4a/0x8e May 31 10:13:11 harley kernel: [] sys_select+0xa4/0x187 May 31 10:13:11 harley kernel: [] sysenter_past_esp+0x5f/0x85 May 31 10:13:11 harley kernel: ======================= May 31 10:13:11 harley kernel: vi S DB833B50 0 12663 12276 (NOTLB) May 31 10:13:11 harley kernel: db833b64 00200082 00000002 db833b50 db833b4c 00000000 00000000 f706b2e0 May 31 10:13:11 harley kernel: 00000006 e8c0ca90 c032e360 895791b6 000002ad 00005cff e8c0cbb0 c180aa80 May 31 10:13:11 harley kernel: 00000000 dfce7c40 0009d902 fffffffd 00000000 00000000 7fffffff d2aa0140 May 31 10:13:11 harley kernel: Call Trace: May 31 10:13:11 harley kernel: [] schedule_timeout+0x13/0x8d May 31 10:13:11 harley kernel: [] tty_poll+0x56/0x63 May 31 10:13:11 harley kernel: [] do_select+0x393/0x3e0 May 31 10:13:11 harley kernel: [] __pollwait+0x0/0xac May 31 10:13:11 harley kernel: [] default_wake_function+0x0/0xc May 31 10:13:11 harley kernel: [] default_wake_function+0x0/0xc May 31 10:13:11 harley kernel: [] do_get_write_access+0x58d/0x5ba [jbd] May 31 10:13:11 harley kernel: [] __ext3_get_inode_loc+0x10f/0x2dd [ext3] May 31 10:13:11 harley kernel: [] __ext3_journal_dirty_metadata+0x16/0x3a [ext3] May 31 10:13:11 harley kernel: [] journal_get_write_access+0x21/0x26 [jbd] May 31 10:13:11 harley kernel: [] ext3_mark_iloc_dirty+0x27f/0x2e5 [ext3] May 31 10:13:11 harley kernel: [] ext3_mark_inode_dirty+0x20/0x27 [ext3] May 31 10:13:11 harley kernel: [] __wake_up+0x32/0x43 May 31 10:13:11 harley kernel: [] journal_stop+0x294/0x2a0 [jbd] May 31 10:13:11 harley kernel: [] __ext3_journal_stop+0x19/0x34 [ext3] May 31 10:13:11 harley kernel: [] ext3_ordered_commit_write+0xba/0xd8 [ext3] May 31 10:13:11 harley kernel: [] __pagevec_lru_add+0x91/0x9c May 31 10:13:11 harley kernel: [] task_rq_lock+0x31/0x58 May 31 10:13:11 harley kernel: [] try_to_wake_up+0x399/0x3a3 May 31 10:13:11 harley kernel: [] __sched_text_start+0x73e/0x7f0 May 31 10:13:11 harley kernel: [] __sched_text_start+0x765/0x7f0 May 31 10:13:11 harley kernel: [] __wake_up_common+0x32/0x55 May 31 10:13:11 harley kernel: [] __wake_up+0x32/0x43 May 31 10:13:11 harley kernel: [] core_sys_select+0x29d/0x2ba May 31 10:13:11 harley kernel: [] __activate_task+0x1c/0x29 May 31 10:13:11 harley kernel: [] try_to_wake_up+0x399/0x3a3 May 31 10:13:11 harley kernel: [] __wake_up_common+0x32/0x55 May 31 10:13:11 harley kernel: [] __wake_up+0x32/0x43 May 31 10:13:11 harley kernel: [] tty_wakeup+0x4c/0x50 May 31 10:13:11 harley kernel: [] __wake_up+0x32/0x43 May 31 10:13:11 harley kernel: [] tty_ldisc_deref+0x55/0x64 May 31 10:13:11 harley kernel: [] sys_select+0xd6/0x187 May 31 10:13:11 harley kernel: [] sysenter_past_esp+0x5f/0x85 May 31 10:13:11 harley kernel: [] clone_policy+0x42/0xe5 May 31 10:13:11 harley kernel: ======================= --------------080906060209080602090106-- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/