Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261781AbUKAMz3 (ORCPT ); Mon, 1 Nov 2004 07:55:29 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261785AbUKAMz3 (ORCPT ); Mon, 1 Nov 2004 07:55:29 -0500 Received: from 213-239-205-147.clients.your-server.de ([213.239.205.147]:52647 "EHLO debian.tglx.de") by vger.kernel.org with ESMTP id S261781AbUKAMnu (ORCPT ); Mon, 1 Nov 2004 07:43:50 -0500 Subject: Re: [Fwd: Re: [patch] Real-Time Preemption, -RT-2.6.9-mm1-V0.4] From: Thomas Gleixner Reply-To: tglx@linutronix.de To: Ingo Molnar Cc: Florian Schmidt , Lee Revell , Paul Davis , LKML , mark_h_johnson@raytheon.com, Bill Huey , Adam Heath , Michal Schmidt , Fernando Pablo Lopez-Lezcano , Karsten Wiese , jackit-devel , Rui Nuno Capela , "K.R. Foley" In-Reply-To: <20041101123701.GA4443@elte.hu> References: <1099171567.1424.9.camel@krustophenia.net> <20041030233849.498fbb0f@mango.fruits.de> <20041031120721.GA19450@elte.hu> <20041031124828.GA22008@elte.hu> <1099227269.1459.45.camel@krustophenia.net> <20041031131318.GA23437@elte.hu> <20041031134016.GA24645@elte.hu> <20041031162059.1a3dd9eb@mango.fruits.de> <20041031165913.2d0ad21e@mango.fruits.de> <20041101115546.GA2620@elte.hu> <20041101123701.GA4443@elte.hu> Content-Type: text/plain; charset=ISO-8859-1 Organization: linutronix Date: Mon, 01 Nov 2004 13:35:27 +0100 Message-Id: <1099312527.3337.5.camel@thomas> Mime-Version: 1.0 X-Mailer: Evolution 2.0.2 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 57097 Lines: 1350 On Mon, 2004-11-01 at 13:37 +0100, Ingo Molnar wrote: > * Ingo Molnar wrote: > > > i've uploaded -V0.6.3 to the usual place: > > > > http://redhat.com/~mingo/realtime-preempt/ > > hm, make it -V0.6.4. -V0.6.3 had a bug in where the system clock > 'stopped' a couple of minutes after bootup, creating weird effects. (it > stopped when jiffies overflowed from negative territory they default to > at bootup, into positive numbers.) > > Ingo I'm doing some tests from my RT environment on 0.6.2. I'm quite sure, that interrupts are sporadically disabled for > 200?s. Did you change anything relevant to this between 0.6.2 and 0.6.4 ? I also had a freeze of the machine. Sysrq-T was the only thing that worked. tglx sibling task PC pid father child younger older init [c113d6f0]D C03D9540 0 1 0 2 (NOTLB) c113fe5c 00000086 c113d6f0 c03d9540 00000246 c113d6f0 00000001 c113fea4 c012007c c0326060 c113fea4 c01c9988 c113fea4 00001f7c 26c698f9 000002d0 c113d8a4 c113e000 c113fe98 0000000b c113fe80 c02d49fb 00000296 c0327ff4 Call Trace: [] __mod_timer+0x11c/0x1e0 (36) [] up_write_mutex+0x38/0xc0 (12) [] schedule+0x3b/0x130 (40) [] schedule_timeout+0x88/0xe0 (36) [] add_wait_queue+0x3f/0x50 (60) [] process_timeout+0x0/0x10 (20) [] do_select+0x197/0x2f0 (28) [] __pollwait+0x0/0xd0 (84) [] sys_select+0x2db/0x4f0 (32) [] syscall_call+0x7/0xb (92) ksoftirqd/0 [c113d140]R C03D9540 0 2 1 3 (L-TLB) c7fe3f88 00000046 c113d140 c03d9540 c7fe3f6c c0326370 c7fe3f6c c7fe2000 c0120a86 00000000 c0364580 00000000 c7fe2000 000000d5 02053ba5 000002d1 c113d2f4 c7fe2000 c7fe2000 00000000 c7fe3fac c02d49fb c011cad0 00000000 Call Trace: [] run_timer_softirq+0x2a6/0x460 (36) [] schedule+0x3b/0x130 (52) [] ksoftirqd+0x0/0xe0 (4) [] ksoftirqd+0x0/0xe0 (28) [] ksoftirqd+0xc6/0xe0 (4) [] kthread+0xaa/0xb0 (20) [] kthread+0x0/0xb0 (28) [] kernel_thread_helper+0x5/0x18 (16) desched/0 [c113cb90]D C03D9540 0 3 1 4 2 (L-TLB) c7fe5f88 00000046 c113cb90 c03d9540 c013f0dd c7ff9a40 c1137ee4 c012d597 c7ff9a40 c1137ee4 c013f0dd c1137ee4 c135a0d0 00000107 95a45f2d 0000029e c113cd44 c7fe4000 c7fe4000 00000000 c7fe5fac c02d49fb c2d1e7a4 c0116cf3 Call Trace: [] kmem_cache_free+0x4d/0xe0 (20) [] _mutex_lock+0x17/0x20 (12) [] kmem_cache_free+0x4d/0xe0 (12) [] schedule+0x3b/0x130 (44) [] mmdrop_complete+0x73/0x110 (8) [] desched_thread+0x0/0x90 (24) [] desched_thread+0x6e/0x90 (4) [] kthread+0xaa/0xb0 (20) [] kthread+0x0/0xb0 (28) [] kernel_thread_helper+0x5/0x18 (16) events/0 [c113c5e0]R C03D9570 0 4 1 5 3 (L-TLB) c7fedf20 00000046 c113d140 c03d9570 000002d1 00000000 00000246 c113c5e0 00000246 c113c5e0 015f136e 000002d1 c113d140 000002f7 015f3f88 000002d1 c113c794 c7fec000 c7fca740 c7fedf94 c7fedf44 c02d49fb c7fedf94 c7fca77c Call Trace: [] schedule+0x3b/0x130 (88) [] add_wait_queue+0x3f/0x50 (12) [] worker_thread+0x258/0x280 (24) [] console_callback+0x0/0xe0 (24) [] default_wake_function+0x0/0x30 (28) [] default_wake_function+0x0/0x30 (32) [] worker_thread+0x0/0x280 (36) [] kthread+0xaa/0xb0 (4) [] kthread+0x0/0xb0 (28) [] kernel_thread_helper+0x5/0x18 (16) khelper [c113c030]D C03D9540 0 5 1 10 4 (L-TLB) c7fcdf20 00000046 c113c030 c03d9540 c113c030 00000000 00000246 c113c030 00000246 c113c030 00000001 c7fca67c c113d140 00004693 32e90bc6 00000023 c113c1e4 c7fcc000 c7fca640 c7fcdf94 c7fcdf44 c02d49fb c7fcdf94 c7fca67c Call Trace: [] schedule+0x3b/0x130 (88) [] add_wait_queue+0x3f/0x50 (12) [] worker_thread+0x258/0x280 (24) [] __call_usermodehelper+0x0/0x70 (24) [] default_wake_function+0x0/0x30 (28) [] default_wake_function+0x0/0x30 (32) [] worker_thread+0x0/0x280 (36) [] kthread+0xaa/0xb0 (4) [] kthread+0x0/0xb0 (28) [] kernel_thread_helper+0x5/0x18 (16) kthread [c7fd1710]D C03D9540 0 10 1 24 77 5 (L-TLB) c7fd3f20 00000046 c7fd1710 c03d9540 c7fd1710 00000000 00000246 c7fd1710 00000246 c7fd1710 00000001 c7fca57c c7d05770 00001363 36d5ab71 00000023 c7fd18c4 c7fd2000 c7fca540 c7fd3f94 c7fd3f44 c02d49fb c7fd3f94 c7fca57c Call Trace: [] schedule+0x3b/0x130 (88) [] add_wait_queue+0x3f/0x50 (12) [] worker_thread+0x258/0x280 (24) [] keventd_create_kthread+0x0/0x60 (24) [] default_wake_function+0x0/0x30 (28) [] default_wake_function+0x0/0x30 (32) [] worker_thread+0x0/0x280 (36) [] kthread+0xaa/0xb0 (4) [] kthread+0x0/0xb0 (28) [] kernel_thread_helper+0x5/0x18 (16) kblockd/0 [c7fd1160]D C03D9540 0 24 10 75 (L-TLB) c7fdff20 00000046 c7fd1160 c03d9540 c7fd1160 00000000 00000246 c7fd1160 00000246 c7fd1160 00000001 c7fca37c c135ac30 0000228e 9bb8ebd4 00000190 c7fd1314 c7fde000 c7fca340 c7fdff94 c7fdff44 c02d49fb c7fdff94 c7fca37c Call Trace: [] schedule+0x3b/0x130 (88) [] add_wait_queue+0x3f/0x50 (12) [] worker_thread+0x258/0x280 (24) [] as_work_handler+0x0/0x60 (24) [] default_wake_function+0x0/0x30 (28) [] default_wake_function+0x0/0x30 (32) [] worker_thread+0x0/0x280 (36) [] kthread+0xaa/0xb0 (4) [] kthread+0x0/0xb0 (28) [] kernel_thread_helper+0x5/0x18 (16) pdflush [c7fd0bb0]D C03D9540 0 75 10 76 24 (L-TLB) c7f43f5c 00000046 c7fd0bb0 c03d9540 c013b0c8 c013bd30 00000246 c7fd0bb0 00000ccc 00002146 00000000 00000000 c0d28c30 00001fb6 bba27e42 00000190 c7fd0d64 c7f42000 c7f43fb0 c7f43fa4 c7f43f80 c02d49fb c0328500 00000001 Call Trace: [] background_writeout+0x98/0xc0 (20) [] pdflush+0x0/0x30 (4) [] schedule+0x3b/0x130 (64) [] __pdflush+0x7f/0x1b0 (12) [] _mutex_lock_irq+0x17/0x20 (12) [] pdflush+0x0/0x30 (8) [] __pdflush+0x84/0x1b0 (4) [] pdflush+0x26/0x30 (20) [] pdflush+0x0/0x30 (40) [] kthread+0xaa/0xb0 (4) [] kthread+0x0/0xb0 (28) [] kernel_thread_helper+0x5/0x18 (16) pdflush [c7fd0600]D C03D9540 0 76 10 78 75 (L-TLB) c7f57f5c 00000046 c7fd0600 c03d9540 002a8188 c013bd30 00000246 c7fd0600 c0328420 002a8188 0029f8d0 00000000 c113d140 000003b9 2698f358 000002d0 c7fd07b4 c7f56000 c7f57fb0 c7f57fa4 c7f57f80 c02d49fb c0328500 00000001 Call Trace: [] pdflush+0x0/0x30 (24) [] schedule+0x3b/0x130 (64) [] __pdflush+0x7f/0x1b0 (12) [] _mutex_lock_irq+0x17/0x20 (12) [] pdflush+0x0/0x30 (8) [] __pdflush+0x84/0x1b0 (4) [] pdflush+0x26/0x30 (20) [] pdflush+0x0/0x30 (40) [] kthread+0xaa/0xb0 (4) [] kthread+0x0/0xb0 (28) [] kernel_thread_helper+0x5/0x18 (16) aio/0 [c7f5b730]D C03D9540 0 78 10 664 76 (L-TLB) c7f5df20 00000046 c7f5b730 c03d9540 00000000 00000000 00000246 c7f5b730 00000246 c7f5b730 00000001 c7fca07c c113d6f0 00003100 deb9886e 00000004 c7f5b8e4 c7f5c000 c7fca040 c7f5df94 c7f5df44 c02d49fb c7f5df94 c7fca07c Call Trace: [] schedule+0x3b/0x130 (88) [] add_wait_queue+0x3f/0x50 (12) [] worker_thread+0x258/0x280 (24) [] default_wake_function+0x0/0x30 (52) [] default_wake_function+0x0/0x30 (32) [] worker_thread+0x0/0x280 (36) [] kthread+0xaa/0xb0 (4) [] kthread+0x0/0xb0 (28) [] kernel_thread_helper+0x5/0x18 (16) kswapd0 [c7fd0050]D C03D9540 0 77 1 666 10 (L-TLB) c7f59f60 00000046 c7fd0050 c03d9540 00000000 00000000 c0327ea0 00000246 c7fd0050 00000001 c03282ec c012cf9e c2314700 00000508 d7982974 00000190 c7fd0204 c7f58000 c7f59f98 c7f59fc0 c7f59f84 c02d49fb c03282ec c012cf9e Call Trace: [] prepare_to_wait+0x5e/0x80 (48) [] schedule+0x3b/0x130 (40) [] prepare_to_wait+0x5e/0x80 (8) [] kswapd+0xd3/0xe0 (28) [] autoremove_wake_function+0x0/0x60 (32) [] ret_from_fork+0x6/0x14 (20) [] autoremove_wake_function+0x0/0x60 (12) [] kswapd+0x0/0xe0 (24) [] kernel_thread_helper+0x5/0x18 (16) IRQ 8 [c7f5b180]D C03D9570 0 664 10 672 78 (L-TLB) c7f71f80 00000046 c7d04c10 c03d9570 00000009 00000246 00000000 c01fb371 c03e8090 0000001d e9bf49d0 00000009 c7d04c10 000043a0 e9bf57a8 00000009 c7f5b334 c7f70000 c0398d80 c0398d80 c7f71fa4 c02d49fb 00000008 c0398d80 Call Trace: [] rtc_interrupt+0xe1/0x130 (32) [] schedule+0x3b/0x130 (56) [] do_irqd+0x0/0xd0 (32) [] do_irqd+0xa8/0xd0 (4) [] kthread+0xaa/0xb0 (28) [] kthread+0x0/0xb0 (28) [] kernel_thread_helper+0x5/0x18 (16) IRQ 12 [c7f5a620]D C03D99E8 0 672 10 686 664 (L-TLB) c7e0ff80 00000046 c113d6f0 c03d99e8 00000006 c1187400 000000fa 00000000 00000000 35fa4d60 0907682f 00000006 c113d6f0 000004f6 090772a7 00000006 c7f5a7d4 c7e0e000 c0398f00 c0398f00 c7e0ffa4 c02d49fb 0000000c c0398f00 Call Trace: [] schedule+0x3b/0x130 (88) [] do_irqd+0x0/0xd0 (32) [] do_irqd+0xa8/0xd0 (4) [] kthread+0xaa/0xb0 (28) [] kthread+0x0/0xb0 (28) [] kernel_thread_helper+0x5/0x18 (16) IRQ 6 [c7f5a070]D C03D9540 0 686 10 709 672 (L-TLB) c7e11f80 00000046 c7f5a070 c03d9540 0836a1c0 00000000 c021c610 c021c52b c0303866 00000292 c7e15460 00000000 c113c5e0 0005a201 026a5625 00000005 c7f5a224 c7e10000 c0398cc0 c0398cc0 c7e11fa4 c02d49fb 00000006 c0398cc0 Call Trace: [] reset_interrupt+0x0/0x90 (28) [] floppy_interrupt+0x14b/0x1b0 (4) [] schedule+0x3b/0x130 (56) [] do_irqd+0x0/0xd0 (32) [] do_irqd+0xa8/0xd0 (4) [] kthread+0xaa/0xb0 (28) [] kthread+0x0/0xb0 (28) [] kernel_thread_helper+0x5/0x18 (16) kseriod [c7f5abd0]D C03D9540 0 666 1 778 77 (L-TLB) c7e0df6c 00000046 c7f5abd0 c03d9540 00000000 00000246 c7f5abd0 00000246 c7f5abd0 00000001 c0366b40 c012cf9e 00000286 00008752 01c979f5 00000005 c7f5ad84 c7e0c000 c7e0c000 c7e0c000 c7e0df90 c02d49fb c0366b40 c012cf9e Call Trace: [] prepare_to_wait+0x5e/0x80 (48) [] schedule+0x3b/0x130 (40) [] prepare_to_wait+0x5e/0x80 (8) [] serio_thread+0xce/0x110 (28) [] autoremove_wake_function+0x0/0x60 (20) [] ret_from_fork+0x6/0x14 (20) [] autoremove_wake_function+0x0/0x60 (12) [] serio_thread+0x0/0x110 (24) [] kernel_thread_helper+0x5/0x18 (16) IRQ 14 [c7e1d750]T C03D9540 0 709 10 741 686 (L-TLB) c7e1fd98 00000046 c7e1d750 c03d9540 c03d9570 00000190 c03d9540 c6604330 c7e1fd84 c7e1fd94 00000086 c6604330 c6604330 00001fbe 9bc32661 00000190 c7e1d904 c7e1e000 00000000 c7e1d750 c7e1fdbc c02d49fb c03d9570 00000000 Call Trace: [] schedule+0x3b/0x130 (88) [] down_write_mutex+0x102/0x1b0 (36) [] test_clear_page_writeback+0x3d/0xe0 (20) [] _rw_mutex_write_lock_irqsave+0xc/0x10 (56) [] test_clear_page_writeback+0x3d/0xe0 (4) [] end_buffer_async_write+0x70/0x140 (8) [] end_page_writeback+0x29/0x70 (28) [] end_buffer_async_write+0x78/0x140 (20) [] bio_destructor+0x3d/0x90 (16) [] bio_put+0x3d/0x80 (24) [] end_bio_bh_io_sync+0x39/0x50 (20) [] bio_endio+0x53/0x80 (16) [] __end_that_request_first+0x205/0x270 (28) [] up_write_mutex+0x38/0xc0 (16) [] __ide_end_request+0x78/0x1c0 (36) [] ide_end_request+0x65/0xc0 (36) [] ide_dma_intr+0x8b/0xb0 (36) [] ide_dma_intr+0x0/0xb0 (20) [] ide_intr+0xe1/0x170 (4) [] handle_IRQ_event+0x44/0x80 (32) [] do_hardirq+0x63/0x100 (32) [] do_irqd+0x0/0xd0 (32) [] do_irqd+0x99/0xd0 (4) [] kthread+0xaa/0xb0 (28) [] kthread+0x0/0xb0 (28) [] kernel_thread_helper+0x5/0x18 (16) IRQ 1 [c7e1d1a0]D 00000000 0 741 10 779 709 (L-TLB) 00000015 00000000 00000000 00000000 c01fdff0 c1187200 00000046 00000000 00000000 15468ae0 00000001 c7e39de0 00000000 c0133624 00000001 c03e81c0 00000000 c0398ae0 00000001 c7e30000 00000000 c0133dc3 00000001 00000000 Call Trace: [] i8042_interrupt+0xc0/0x1a0 (20) [] handle_IRQ_event+0x44/0x80 (36) [] do_hardirq+0x63/0x100 (32) [] do_irqd+0x0/0xd0 (32) [] do_irqd+0x99/0xd0 (4) [] kthread+0xaa/0xb0 (28) [] kthread+0x0/0xb0 (28) [] kernel_thread_helper+0x5/0x18 (16) kjournald [c7e1cbf0]T C03D9540 0 778 1 929 666 (L-TLB) c7e43d68 00000046 c7e1cbf0 c03d9540 00000000 c212b8c0 00000246 c7e1cbf0 c7e1cbf0 00000001 c7f75580 c012cf9e c53879f0 0000068b ae093765 00000191 c7e1cda4 c7e42000 c7f75580 c7e43df4 c7e43d8c c02d49fb c7f75414 00000001 Call Trace: [] prepare_to_wait+0x5e/0x80 (48) [] schedule+0x3b/0x130 (40) [] journal_commit_transaction+0x156b/0x16c0 (12) [] journal_commit_transaction+0x1570/0x16c0 (24) [] autoremove_wake_function+0x0/0x60 (88) [] handle_IRQ_event+0x44/0x80 (12) [] __delay+0x12/0x20 (8) [] autoremove_wake_function+0x0/0x60 (12) [] __schedule+0x2d1/0x620 (136) [] preempt_schedule+0x55/0x70 (8) [] preempt_schedule+0x55/0x70 (72) [] finish_wait+0x4f/0x70 (8) [] kjournald+0xf6/0x280 (24) [] up_write_mutex+0x38/0xc0 (12) [] kjournald+0xf6/0x280 (12) [] kjournald+0x10c/0x280 (24) [] autoremove_wake_function+0x0/0x60 (40) [] exit_notify+0x350/0x980 (12) [] autoremove_wake_function+0x0/0x60 (20) [] ret_from_fork+0x6/0x14 (68) [] kjournald+0x0/0x280 (8) [] commit_timeout+0x0/0x10 (8) [] kjournald+0x0/0x280 (20) [] kernel_thread_helper+0x5/0x18 (16) IRQ 4 [c7e1c640]D C03D9540 0 779 10 994 741 (L-TLB) c7e8df80 00000046 c7e1c640 c03d9540 c03e8300 00000002 00000000 00000001 00000060 c7e4b5e0 00000000 00000000 c682ccf0 00000505 16bd0447 0000000b c7e1c7f4 c7e8c000 c0398c00 c0398c00 c7e8dfa4 c02d49fb 00000004 c0398c00 Call Trace: [] schedule+0x3b/0x130 (88) [] do_irqd+0x0/0xd0 (32) [] do_irqd+0xa8/0xd0 (4) [] kthread+0xaa/0xb0 (28) [] kthread+0x0/0xb0 (28) [] kernel_thread_helper+0x5/0x18 (16) kjournald [c135a680]T C03D9540 0 929 1 1135 778 (L-TLB) c787dcdc 00000046 c135a680 c03d9540 00000246 c1100570 00000246 c135a680 00000000 c135a834 c787c000 ffffffff c135a680 000002c4 66b1a4ec 0000019d c135a834 c787c000 00000000 c787dd68 c787dd00 c02d49fb c036f180 00000001 Call Trace: [] schedule+0x3b/0x130 (88) [] blk_backing_dev_unplug+0x1f/0x30 (12) [] generic_unplug_device+0x21/0x40 (12) [] io_schedule+0xe/0x20 (12) [] sync_buffer+0x31/0x50 (8) [] __wait_on_bit+0x67/0x70 (12) [] sync_buffer+0x0/0x50 (8) [] sync_buffer+0x0/0x50 (16) [] out_of_line_wait_on_bit+0x93/0xa0 (4) [] wake_bit_function+0x0/0x60 (28) [] wake_bit_function+0x0/0x60 (32) [] journal_commit_transaction+0xf38/0x16c0 (32) [] __delay+0x12/0x20 (84) [] lpptest_irq+0x31/0x50 [lpptest] (8) [] handle_IRQ_event+0x44/0x80 (8) [] __do_IRQ+0x115/0x160 (32) [] scheduler_tick+0x1f/0x470 (60) [] recalc_task_prio+0xa8/0x1a0 (12) [] __schedule+0x2d1/0x620 (52) [] preempt_schedule+0x55/0x70 (8) [] preempt_schedule+0x55/0x70 (72) [] finish_wait+0x4f/0x70 (8) [] kjournald+0xf6/0x280 (24) [] up_write_mutex+0x38/0xc0 (12) [] kjournald+0xf6/0x280 (12) [] kjournald+0x10c/0x280 (24) [] autoremove_wake_function+0x0/0x60 (40) [] autoremove_wake_function+0x0/0x60 (32) [] ret_from_fork+0x6/0x14 (68) [] kjournald+0x0/0x280 (8) [] commit_timeout+0x0/0x10 (8) [] kjournald+0x0/0x280 (20) [] kernel_thread_helper+0x5/0x18 (16) IRQ 3 [c135b1e0]D C03D9540 0 994 10 1282 779 (L-TLB) c1379f80 00000046 c135b1e0 c03d9540 c03e82d0 00000002 00000001 00000001 00000060 c7e4bd20 00000000 00000000 c7d04c10 00002227 b5d387fe 00000009 c135b394 c1378000 c0398ba0 c0398ba0 c1379fa4 c02d49fb 00000003 c0398ba0 Call Trace: [] schedule+0x3b/0x130 (88) [] do_irqd+0x0/0xd0 (32) [] do_irqd+0xa8/0xd0 (4) [] kthread+0xaa/0xb0 (28) [] kthread+0x0/0xb0 (28) [] kernel_thread_helper+0x5/0x18 (16) portmap [c7e1c090]D C03D9540 0 1135 1 1199 929 (NOTLB) c7cd5eb8 00000086 c7e1c090 c03d9540 c7e1c090 00000282 c0328040 00000282 00000000 00000000 00000246 00000246 c7e1c090 000202dc efd174bd 0000000a c7e1c244 c7cd4000 7fffffff c7cd5f68 c7cd5edc c02d49fb c77fb028 c12caa78 Call Trace: [] schedule+0x3b/0x130 (88) [] add_wait_queue+0x3f/0x50 (24) [] schedule_timeout+0xd4/0xe0 (12) [] tcp_poll+0x37/0x190 (12) [] fget+0x4b/0x70 (20) [] sock_poll+0x29/0x40 (28) [] do_pollfd+0x5b/0xa0 (20) [] do_poll+0xa8/0xd0 (28) [] sys_poll+0x161/0x240 (48) [] __pollwait+0x0/0xd0 (36) [] syscall_call+0x7/0xb (32) syslogd [c78600f0]T C03D9540 0 1199 1 1206 1135 (NOTLB) c78afc7c 00000086 c78600f0 c03d9540 00000000 c7f7547c 00000246 c78600f0 c78600f0 00000001 c7f7547c c012cf9e 00000282 00008fb6 2ad9eccb 00000239 c78602a4 c78ae000 00000000 c78afd18 c78afca0 c02d49fb c7f75414 00000001 Call Trace: [] prepare_to_wait+0x5e/0x80 (48) [] schedule+0x3b/0x130 (40) [] start_this_handle+0x2a1/0x410 (12) [] start_this_handle+0x2a6/0x410 (24) [] kmem_cache_alloc+0x4c/0xe0 (56) [] autoremove_wake_function+0x0/0x60 (16) [] autoremove_wake_function+0x0/0x60 (32) [] journal_start+0xcb/0xf0 (40) [] do_IRQ+0x2b/0x40 (20) [] ext3_dirty_inode+0x39/0x90 (16) [] __mark_inode_dirty+0x1e6/0x1f0 (24) [] remove_suid+0x3/0x90 (16) [] __do_IRQ+0x115/0x160 (20) [] inode_update_time+0xd0/0xe0 (24) [] generic_file_aio_write_nolock+0x230/0x4c0 (48) [] generic_file_write_nolock+0xa3/0xc0 (100) [] autoremove_wake_function+0x0/0x60 (112) [] do_signal+0xcd/0x130 (16) [] generic_file_writev+0x44/0xb0 (24) [] do_readv_writev+0x22c/0x280 (44) [] do_sync_write+0x0/0xf0 (40) [] __delay+0x12/0x20 (52) [] lpptest_irq+0x31/0x50 [lpptest] (8) [] vfs_writev+0x58/0x70 (24) [] sys_writev+0x51/0x80 (24) [] syscall_call+0x7/0xb (40) klogd [c7d04c10]D C03D9540 0 1206 1 1214 1199 (NOTLB) c7d15d08 00000082 c7d04c10 c03d9540 00000060 00000246 c7d04c10 c032829c c0327ff4 000000d0 00000000 00000001 c113d6f0 00089689 bda57400 000002a9 c7d04dc4 c7d14000 7fffffff 00000001 c7d15d2c c02d49fb c7d14000 c7d14000 Call Trace: [] schedule+0x3b/0x130 (88) [] schedule_timeout+0xd4/0xe0 (36) [] prepare_to_wait_exclusive+0x5d/0x80 (32) [] unix_wait_for_peer+0xae/0xe0 (28) [] up_write_mutex+0x38/0xc0 (12) [] unix_wait_for_peer+0xae/0xe0 (12) [] unix_wait_for_peer+0xd7/0xe0 (24) [] autoremove_wake_function+0x0/0x60 (16) [] copy_from_user+0x42/0x70 (12) [] autoremove_wake_function+0x0/0x60 (20) [] unix_dgram_sendmsg+0x282/0x5f0 (40) [] find_get_page+0x3e/0x50 (48) [] do_no_page+0x1b1/0x3b0 (32) [] sock_aio_write+0xf6/0x120 (20) [] do_no_page+0x1b1/0x3b0 (28) [] do_sync_write+0xb7/0xf0 (84) [] do_page_fault+0x409/0x610 (24) [] do_page_fault+0x409/0x610 (4) [] autoremove_wake_function+0x0/0x60 (88) [] up_write_mutex+0x38/0xc0 (12) [] vfs_write+0xff/0x130 (36) [] sys_write+0x51/0x80 (44) [] syscall_call+0x7/0xb (40) inetd [c135b790]D C03D9540 0 1214 1 1218 1206 (NOTLB) c135de5c 00000082 c135b790 c03d9540 00000292 00000292 c0328040 00000292 c0139999 0000000d 00000246 c135b790 c135a0d0 000d1e8d 3dd989aa 0000000a c135b944 c135c000 7fffffff 0000000e c135de80 c02d49fb c012ce1f c7661ae4 Call Trace: [] buffered_rmqueue+0x89/0xf0 (36) [] schedule+0x3b/0x130 (52) [] add_wait_queue+0x3f/0x50 (4) [] up_write_mutex+0x38/0xc0 (12) [] schedule_timeout+0xd4/0xe0 (20) [] add_wait_queue+0x3f/0x50 (16) [] tcp_poll+0x37/0x190 (24) [] fget+0x4b/0x70 (20) [] sock_poll+0x29/0x40 (28) [] do_select+0x197/0x2f0 (20) [] __pollwait+0x0/0xd0 (84) [] sys_select+0x2db/0x4f0 (32) [] syscall_call+0x7/0xb (92) lpd [c78606a0]D C03D9540 0 1218 1 1272 1214 (NOTLB) c78cde5c 00000086 c78606a0 c03d9540 c10ed420 c0327ff4 c01c9988 c0328040 00000001 00000006 00000246 c78606a0 00000286 00085c44 51ea0297 0000000a c7860854 c78cc000 7fffffff 00000007 c78cde80 c02d49fb c012ce1f c7661364 Call Trace: [] up_write_mutex+0x38/0xc0 (28) [] schedule+0x3b/0x130 (60) [] add_wait_queue+0x3f/0x50 (4) [] up_write_mutex+0x38/0xc0 (12) [] schedule_timeout+0xd4/0xe0 (20) [] add_wait_queue+0x3f/0x50 (16) [] tcp_poll+0x37/0x190 (24) [] fget+0x4b/0x70 (20) [] sock_poll+0x29/0x40 (28) [] do_select+0x197/0x2f0 (20) [] __pollwait+0x0/0xd0 (84) [] sys_select+0x2db/0x4f0 (32) [] sys_munmap+0x42/0x50 (68) [] syscall_call+0x7/0xb (24) nfsd [c76d37f0]D C03D9540 0 1272 1 1273 1218 (L-TLB) c76e1eb0 00000046 c76d37f0 c03d9540 00000246 c76d37f0 00000001 c76e1ef8 c012007c c0326060 c76e1ef8 c01c9988 c76d3240 000046bc a7bad305 0000000a c76d39a4 c76e0000 c76e1eec c76fd278 c76e1ed4 c02d49fb 00000292 c79c1b14 Call Trace: [] __mod_timer+0x11c/0x1e0 (36) [] up_write_mutex+0x38/0xc0 (12) [] schedule+0x3b/0x130 (40) [] schedule_timeout+0x88/0xe0 (36) [] svc_recv+0x3a7/0x540 [sunrpc] (60) [] up_write_mutex+0x38/0xc0 (12) [] process_timeout+0x0/0x10 (8) [] svc_recv+0x3b0/0x540 [sunrpc] (28) [] preempt_schedule+0x55/0x70 (16) [] default_wake_function+0x0/0x30 (20) [] up_write_mutex+0x38/0xc0 (12) [] default_wake_function+0x0/0x30 (20) [] sigprocmask+0x6d/0xe0 (16) [] nfsd+0x109/0x3c0 [nfsd] (24) [] nfsd+0x0/0x3c0 [nfsd] (48) [] kernel_thread_helper+0x5/0x18 (16) nfsd [c76d3240]D C03D9540 0 1273 1 1274 1272 (L-TLB) c76e3eb0 00000046 c76d3240 c03d9540 00000246 c76d3240 00000001 c76e3ef8 c012007c c0326060 c76e3ef8 c01c9988 c76d2130 00002394 a7baf699 0000000a c76d33f4 c76e2000 c76e3eec c76fd278 c76e3ed4 c02d49fb 00000292 00000000 Call Trace: [] __mod_timer+0x11c/0x1e0 (36) [] up_write_mutex+0x38/0xc0 (12) [] schedule+0x3b/0x130 (40) [] schedule_timeout+0x88/0xe0 (36) [] svc_recv+0x3a7/0x540 [sunrpc] (60) [] up_write_mutex+0x38/0xc0 (12) [] process_timeout+0x0/0x10 (8) [] svc_recv+0x3b0/0x540 [sunrpc] (28) [] preempt_schedule+0x55/0x70 (16) [] default_wake_function+0x0/0x30 (20) [] up_write_mutex+0x38/0xc0 (12) [] default_wake_function+0x0/0x30 (20) [] sigprocmask+0x6d/0xe0 (16) [] nfsd+0x109/0x3c0 [nfsd] (24) [] nfsd+0x0/0x3c0 [nfsd] (48) [] kernel_thread_helper+0x5/0x18 (16) nfsd [c76d2130]D C03D9540 0 1274 1 1275 1273 (L-TLB) c6c33eb0 00000046 c76d2130 c03d9540 00000246 c76d2130 00000001 c6c33ef8 c012007c c0326060 c6c33ef8 c01c9988 c76d26e0 000020ea a7bb1783 0000000a c76d22e4 c6c32000 c6c33eec c76fd278 c6c33ed4 c02d49fb 00000292 00000000 Call Trace: [] __mod_timer+0x11c/0x1e0 (36) [] up_write_mutex+0x38/0xc0 (12) [] schedule+0x3b/0x130 (40) [] schedule_timeout+0x88/0xe0 (36) [] svc_recv+0x3a7/0x540 [sunrpc] (60) [] up_write_mutex+0x38/0xc0 (12) [] process_timeout+0x0/0x10 (8) [] svc_recv+0x3b0/0x540 [sunrpc] (28) [] preempt_schedule+0x55/0x70 (16) [] default_wake_function+0x0/0x30 (20) [] up_write_mutex+0x38/0xc0 (12) [] default_wake_function+0x0/0x30 (20) [] sigprocmask+0x6d/0xe0 (16) [] nfsd+0x109/0x3c0 [nfsd] (24) [] nfsd+0x0/0x3c0 [nfsd] (48) [] kernel_thread_helper+0x5/0x18 (16) nfsd [c76d26e0]D C03D9540 0 1275 1 1276 1274 (L-TLB) c73fbeb0 00000046 c76d26e0 c03d9540 00000246 c76d26e0 00000001 c73fbef8 c012007c c0326060 c73fbef8 c01c9988 c76d2c90 000020ea a7bb386d 0000000a c76d2894 c73fa000 c73fbeec c76fd278 c73fbed4 c02d49fb 00000292 00000000 Call Trace: [] __mod_timer+0x11c/0x1e0 (36) [] up_write_mutex+0x38/0xc0 (12) [] schedule+0x3b/0x130 (40) [] schedule_timeout+0x88/0xe0 (36) [