From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030190AbVHJTPh (ORCPT ); Wed, 10 Aug 2005 15:15:37 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030191AbVHJTPh (ORCPT ); Wed, 10 Aug 2005 15:15:37 -0400 Received: from dsl3-63-249-67-204.cruzio.com ([63.249.67.204]:24467 "EHLO cichlid.com") by vger.kernel.org with ESMTP id S1030190AbVHJTPg (ORCPT ); Wed, 10 Aug 2005 15:15:36 -0400 Date: Wed, 10 Aug 2005 12:15:19 -0700 From: Andrew Burgess Message-Id: <200508101915.j7AJFJXe004888@cichlid.com> To: linux-kernel@vger.kernel.org Subject: BUGS: Real-Time Preemption 2.6.13-rc5-RT-V0.7.52-16 with CONFIG_DEBUG_SLAB Cc: mingo@elte.hu Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Here is 2.6.13-rc5-RT-V0.7.52-16 SMP with CONFIG_DEBUG_SLAB set. How may I help? messages: Aug 10 11:31:56 cichlid kernel: Linux version 2.6.13-rc5-RT-V0.7.52-16-smp-5-slabdebug (root@athlon) (gcc version 3.4.4 20050721 (Red Hat 3.4.4-2)) #5 SMP Wed Aug 10 10:36:09 PDT 2005 ... Aug 10 11:31:57 cichlid kernel: Kernel command line: ro root=LABEL=/ rhgb vga=791 pci=noacpi noapic acpi=ht ... Aug 10 11:32:25 cichlid kernel: BUG: scheduling with irqs disabled: IRQ 14/0x20000000/206 Aug 10 11:32:25 cichlid kernel: IRQ 14/206[CPU#0]: BUG in FREE_WAITER at kernel/rt.c:1140 Aug 10 11:32:25 cichlid kernel: [dump_stack+30/32] dump_stack+0x1e/0x20 (20) Aug 10 11:32:25 cichlid kernel: [] dump_stack+0x1e/0x20 (20) Aug 10 11:32:25 cichlid kernel: [__WARN_ON+94/118] __WARN_ON+0x5e/0x76 (44) Aug 10 11:32:25 cichlid kernel: [] __WARN_ON+0x5e/0x76 (44) Aug 10 11:32:25 cichlid kernel: [__down_mutex+626/1578] __down_mutex+0x272/0x62a (124) Aug 10 11:32:25 cichlid kernel: [] __down_mutex+0x272/0x62a (124) Aug 10 11:32:25 cichlid kernel: [_spin_lock+31/68] __lock_text_start+0x1f/0x44 (28) Aug 10 11:32:25 cichlid kernel: [] __lock_text_start+0x1f/0x44 (28) Aug 10 11:32:25 cichlid kernel: [__kmalloc+135/410] __kmalloc+0x87/0x19a (40) Aug 10 11:32:25 cichlid kernel: [] __kmalloc+0x87/0x19a (40) Aug 10 11:32:25 cichlid kernel: [soft_cursor+99/412] soft_cursor+0x63/0x19c (64) Aug 10 11:32:25 cichlid kernel: [] soft_cursor+0x63/0x19c (64) Aug 10 11:32:26 cichlid kernel: [bit_cursor+733/1400] bit_cursor+0x2dd/0x578 (164) Aug 10 11:32:26 cichlid kernel: [] bit_cursor+0x2dd/0x578 (164) Aug 10 11:32:26 cichlid kernel: [fbcon_cursor+404/593] fbcon_cursor+0x194/0x251 (76) Aug 10 11:32:26 cichlid kernel: [] fbcon_cursor+0x194/0x251 (76) Aug 10 11:32:26 cichlid kernel: [hide_cursor+35/58] hide_cursor+0x23/0x3a (20) Aug 10 11:32:26 cichlid kernel: [] hide_cursor+0x23/0x3a (20) Aug 10 11:32:26 cichlid kernel: [vt_console_print+602/664] vt_console_print+0x25a/0x298 (48) Aug 10 11:32:26 cichlid kernel: [] vt_console_print+0x25a/0x298 (48) Aug 10 11:32:26 cichlid kernel: [__call_console_drivers+87/92] __call_console_drivers+0x57/0x5c (32) Aug 10 11:32:26 cichlid kernel: [] __call_console_drivers+0x57/0x5c (32) Aug 10 11:32:26 cichlid kernel: [_call_console_drivers+121/123] _call_console_drivers+0x79/0x7b (24) Aug 10 11:32:26 cichlid kernel: [] _call_console_drivers+0x79/0x7b (24) Aug 10 11:32:26 cichlid kernel: [call_console_drivers+165/348] call_console_drivers+0xa5/0x15c (36) Aug 10 11:32:26 cichlid kernel: [] call_console_drivers+0xa5/0x15c (36) Aug 10 11:32:26 cichlid kernel: [release_console_sem+46/235] release_console_sem+0x2e/0xeb (32) Aug 10 11:32:26 cichlid kernel: [] release_console_sem+0x2e/0xeb (32) Aug 10 11:32:26 cichlid kernel: [vprintk+366/595] vprintk+0x16e/0x253 (120) Aug 10 11:32:26 cichlid kernel: [] vprintk+0x16e/0x253 (120) Aug 10 11:32:26 cichlid kernel: [printk+24/26] printk+0x18/0x1a (16) Aug 10 11:32:26 cichlid kernel: [] printk+0x18/0x1a (16) Aug 10 11:32:26 cichlid kernel: [schedule+137/274] schedule+0x89/0x112 (28) Aug 10 11:32:26 cichlid kernel: [] schedule+0x89/0x112 (28) Aug 10 11:32:26 cichlid kernel: [__down_mutex+1156/1578] __down_mutex+0x484/0x62a (124) Aug 10 11:32:26 cichlid kernel: [] __down_mutex+0x484/0x62a (124) Aug 10 11:32:26 cichlid kernel: [_spin_lock_irqsave+31/73] _spin_lock_irqsave+0x1f/0x49 (28) Aug 10 11:32:26 cichlid kernel: [] _spin_lock_irqsave+0x1f/0x49 (28) Aug 10 11:32:27 cichlid kernel: [__wake_up+21/95] __wake_up+0x15/0x5f (44) Aug 10 11:32:27 cichlid kernel: [__wake_up_bit+52/58] __wake_up_bit+0x34/0x3a (24) Aug 10 11:32:27 cichlid kernel: [] __wake_up_bit+0x34/0x3a (24) Aug 10 11:32:27 cichlid kernel: [wake_up_bit+23/27] wake_up_bit+0x17/0x1b (16) Aug 10 11:32:27 cichlid kernel: [] wake_up_bit+0x17/0x1b (16) Aug 10 11:32:27 cichlid kernel: [unlock_buffer+17/19] unlock_buffer+0x11/0x13 (8) Aug 10 11:32:27 cichlid kernel: [] unlock_buffer+0x11/0x13 (8) Aug 10 11:32:27 cichlid kernel: [end_buffer_async_write+96/486] end_buffer_async_write+0x60/0x1e6 (68) Aug 10 11:32:27 cichlid kernel: [] end_buffer_async_write+0x60/0x1e6 (68) Aug 10 11:32:27 cichlid kernel: [end_bio_bh_io_sync+47/102] end_bio_bh_io_sync+0x2f/0x66 (20) Aug 10 11:32:27 cichlid kernel: [] end_bio_bh_io_sync+0x2f/0x66 (20) Aug 10 11:32:27 cichlid kernel: [bio_endio+78/120] bio_endio+0x4e/0x78 (32) Aug 10 11:32:27 cichlid kernel: [] bio_endio+0x4e/0x78 (32) Aug 10 11:32:27 cichlid kernel: [__end_that_request_first+212/586] __end_that_request_first+0xd4/0x24a (52) Aug 10 11:32:27 cichlid kernel: [] __end_that_request_first+0xd4/0x24a (52) Aug 10 11:32:28 cichlid kernel: [end_that_request_first+34/36] end_that_request_first+0x22/0x24 (20) Aug 10 11:32:28 cichlid kernel: [] end_that_request_first+0x22/0x24 (20) Aug 10 11:32:28 cichlid kernel: [__ide_end_request+88/393] __ide_end_request+0x58/0x189 (36) Aug 10 11:32:28 cichlid kernel: [] __ide_end_request+0x58/0x189 (36) Aug 10 11:32:28 cichlid kernel: [ide_end_request+124/149] ide_end_request+0x7c/0x95 (40) Aug 10 11:32:28 cichlid kernel: [] ide_end_request+0x7c/0x95 (40) Aug 10 11:32:28 cichlid kernel: [ide_dma_intr+139/206] ide_dma_intr+0x8b/0xce (32) Aug 10 11:32:28 cichlid kernel: [] ide_dma_intr+0x8b/0xce (32) Aug 10 11:32:28 cichlid kernel: [ide_intr+164/317] ide_intr+0xa4/0x13d (36) Aug 10 11:32:28 cichlid kernel: [] ide_intr+0xa4/0x13d (36) Aug 10 11:32:28 cichlid kernel: [handle_IRQ_event+101/218] handle_IRQ_event+0x65/0xda (52) Aug 10 11:32:28 cichlid kernel: [] handle_IRQ_event+0x65/0xda (52) Aug 10 11:32:28 cichlid kernel: [do_hardirq+78/232] do_hardirq+0x4e/0xe8 (44) Aug 10 11:32:28 cichlid kernel: [] do_hardirq+0x4e/0xe8 (44) Aug 10 11:32:28 cichlid kernel: [do_irqd+204/467] do_irqd+0xcc/0x1d3 (40) Aug 10 11:32:28 cichlid kernel: [] do_irqd+0xcc/0x1d3 (40) Aug 10 11:32:28 cichlid kernel: [kthread+165/205] kthread+0xa5/0xcd (48) Aug 10 11:32:28 cichlid kernel: [] kthread+0xa5/0xcd (48) Aug 10 11:32:28 cichlid kernel: [kernel_thread_helper+5/11] kernel_thread_helper+0x5/0xb (137879580) Aug 10 11:32:28 cichlid kernel: [] kernel_thread_helper+0x5/0xb (137879580) Aug 10 11:32:29 cichlid kernel: --------------------------- Aug 10 11:32:29 cichlid kernel: | preempt count: 20000001 ] Aug 10 11:32:29 cichlid kernel: | 1-level deep critical section nesting: Aug 10 11:32:29 cichlid kernel: ---------------------------------------- Aug 10 11:32:29 cichlid kernel: .. [add_preempt_count+28/30] .... add_preempt_count+0x1c/0x1e Aug 10 11:32:29 cichlid kernel: .. [] .... add_preempt_count+0x1c/0x1e Aug 10 11:32:29 cichlid kernel: .....[__WARN_ON+18/118] .. ( <= __WARN_ON+0x12/0x76) Aug 10 11:32:29 cichlid kernel: .....[] .. ( <= __WARN_ON+0x12/0x76) Aug 10 11:32:29 cichlid kernel: Aug 10 11:32:29 cichlid kernel: ------------------------------ Aug 10 11:32:29 cichlid kernel: | showing all locks held by: | (IRQ 14/206 [f7ea60a0, 51]): Aug 10 11:32:29 cichlid kernel: ------------------------------ Aug 10 11:32:29 cichlid kernel: Aug 10 11:32:29 cichlid kernel: #001: [c03e3b80] {ide_lock} Aug 10 11:32:29 cichlid kernel: ... acquired at: ide_end_request+0x19/0x95 Aug 10 11:32:29 cichlid kernel: Aug 10 11:32:29 cichlid kernel: #002: [c03471a4] {console_sem.lock} Aug 10 11:32:29 cichlid kernel: ... acquired at: vprintk+0x140/0x253 Aug 10 11:32:30 cichlid kernel: Aug 10 11:32:30 cichlid kernel: #003: [f7f6a4c8] {&cachep->spinlock} Aug 10 11:32:30 cichlid kernel: ... acquired at: __kmalloc+0x87/0x19a Aug 10 11:32:30 cichlid kernel: Aug 10 11:32:30 cichlid kernel: IRQ 14/206[CPU#0]: BUG in FREE_WAITER at kernel/rt.c:1140 Aug 10 11:32:30 cichlid kernel: [dump_stack+30/32] dump_stack+0x1e/0x20 (20) Aug 10 11:32:30 cichlid kernel: [] dump_stack+0x1e/0x20 (20) Aug 10 11:32:30 cichlid kernel: [__WARN_ON+94/118] __WARN_ON+0x5e/0x76 (44) Aug 10 11:32:30 cichlid kernel: [] __WARN_ON+0x5e/0x76 (44) Aug 10 11:32:30 cichlid kernel: [__down_mutex+626/1578] __down_mutex+0x272/0x62a (124) Aug 10 11:32:30 cichlid kernel: [] __down_mutex+0x272/0x62a (124) Aug 10 11:32:30 cichlid kernel: [_spin_lock+31/68] __lock_text_start+0x1f/0x44 (28) Aug 10 11:32:30 cichlid kernel: [] __lock_text_start+0x1f/0x44 (28) Aug 10 11:32:30 cichlid kernel: [kfree+142/341] kfree+0x8e/0x155 (52) Aug 10 11:32:30 cichlid kernel: [] kfree+0x8e/0x155 (52) Aug 10 11:32:30 cichlid kernel: [soft_cursor+360/412] soft_cursor+0x168/0x19c (64) Aug 10 11:32:30 cichlid kernel: [] soft_cursor+0x168/0x19c (64) Aug 10 11:32:30 cichlid kernel: [bit_cursor+733/1400] bit_cursor+0x2dd/0x578 (164) Aug 10 11:32:30 cichlid kernel: [] bit_cursor+0x2dd/0x578 (164) Aug 10 11:32:30 cichlid kernel: [fbcon_cursor+404/593] fbcon_cursor+0x194/0x251 (76) Aug 10 11:32:30 cichlid kernel: [] fbcon_cursor+0x194/0x251 (76) Aug 10 11:32:30 cichlid kernel: [hide_cursor+35/58] hide_cursor+0x23/0x3a (20) Aug 10 11:32:30 cichlid kernel: [] hide_cursor+0x23/0x3a (20) Aug 10 11:32:30 cichlid kernel: [vt_console_print+602/664] vt_console_print+0x25a/0x298 (48) Aug 10 11:32:30 cichlid kernel: [] vt_console_print+0x25a/0x298 (48) Aug 10 11:32:30 cichlid kernel: [__call_console_drivers+87/92] __call_console_drivers+0x57/0x5c (32) Aug 10 11:32:30 cichlid kernel: [] __call_console_drivers+0x57/0x5c (32) Aug 10 11:32:30 cichlid kernel: [_call_console_drivers+121/123] _call_console_drivers+0x79/0x7b (24) Aug 10 11:32:30 cichlid kernel: [] _call_console_drivers+0x79/0x7b (24) Aug 10 11:32:30 cichlid kernel: [call_console_drivers+165/348] call_console_drivers+0xa5/0x15c (36) Aug 10 11:32:30 cichlid kernel: [] call_console_drivers+0xa5/0x15c (36) Aug 10 11:32:30 cichlid kernel: [release_console_sem+46/235] release_console_sem+0x2e/0xeb (32) Aug 10 11:32:30 cichlid kernel: [] release_console_sem+0x2e/0xeb (32) Aug 10 11:32:30 cichlid kernel: [vprintk+366/595] vprintk+0x16e/0x253 (120) Aug 10 11:32:30 cichlid kernel: [] vprintk+0x16e/0x253 (120) Aug 10 11:32:30 cichlid kernel: [printk+24/26] printk+0x18/0x1a (16) Aug 10 11:32:30 cichlid kernel: [] printk+0x18/0x1a (16) Aug 10 11:32:30 cichlid kernel: [schedule+137/274] schedule+0x89/0x112 (28) Aug 10 11:32:30 cichlid kernel: [] schedule+0x89/0x112 (28) Aug 10 11:32:30 cichlid kernel: [__down_mutex+1156/1578] __down_mutex+0x484/0x62a (124) Aug 10 11:32:30 cichlid kernel: [] __down_mutex+0x484/0x62a (124) Aug 10 11:32:30 cichlid kernel: [_spin_lock_irqsave+31/73] _spin_lock_irqsave+0x1f/0x49 (28) Aug 10 11:32:30 cichlid kernel: [] _spin_lock_irqsave+0x1f/0x49 (28) Aug 10 11:32:31 cichlid kernel: [__wake_up+21/95] __wake_up+0x15/0x5f (44) Aug 10 11:32:31 cichlid kernel: [] __wake_up+0x15/0x5f (44) Aug 10 11:32:31 cichlid kernel: [__wake_up_bit+52/58] __wake_up_bit+0x34/0x3a (24) Aug 10 11:32:31 cichlid kernel: [] __wake_up_bit+0x34/0x3a (24) Aug 10 11:32:31 cichlid kernel: [wake_up_bit+23/27] wake_up_bit+0x17/0x1b (16) Aug 10 11:32:31 cichlid kernel: [] wake_up_bit+0x17/0x1b (16) Aug 10 11:32:31 cichlid kernel: [unlock_buffer+17/19] unlock_buffer+0x11/0x13 (8) Aug 10 11:32:31 cichlid kernel: [] unlock_buffer+0x11/0x13 (8) Aug 10 11:32:31 cichlid kernel: [end_buffer_async_write+96/486] end_buffer_async_write+0x60/0x1e6 (68) Aug 10 11:32:31 cichlid kernel: [] end_buffer_async_write+0x60/0x1e6 (68) Aug 10 11:32:31 cichlid kernel: [end_bio_bh_io_sync+47/102] end_bio_bh_io_sync+0x2f/0x66 (20) Aug 10 11:32:31 cichlid kernel: [] end_bio_bh_io_sync+0x2f/0x66 (20) Aug 10 11:32:31 cichlid kernel: [bio_endio+78/120] bio_endio+0x4e/0x78 (32) Aug 10 11:32:31 cichlid kernel: [] bio_endio+0x4e/0x78 (32) Aug 10 11:32:31 cichlid kernel: [__end_that_request_first+212/586] __end_that_request_first+0xd4/0x24a (52) Aug 10 11:32:31 cichlid kernel: [] __end_that_request_first+0xd4/0x24a (52) Aug 10 11:32:31 cichlid kernel: [end_that_request_first+34/36] end_that_request_first+0x22/0x24 (20) Aug 10 11:32:31 cichlid kernel: [] end_that_request_first+0x22/0x24 (20) Aug 10 11:32:31 cichlid kernel: [__ide_end_request+88/393] __ide_end_request+0x58/0x189 (36) Aug 10 11:32:31 cichlid kernel: [] __ide_end_request+0x58/0x189 (36) Aug 10 11:32:31 cichlid kernel: [ide_end_request+124/149] ide_end_request+0x7c/0x95 (40) Aug 10 11:32:31 cichlid kernel: [] ide_end_request+0x7c/0x95 (40) Aug 10 11:32:31 cichlid kernel: [ide_dma_intr+139/206] ide_dma_intr+0x8b/0xce (32) Aug 10 11:32:31 cichlid kernel: [] ide_dma_intr+0x8b/0xce (32) Aug 10 11:32:31 cichlid kernel: [ide_intr+164/317] ide_intr+0xa4/0x13d (36) Aug 10 11:32:31 cichlid kernel: [] ide_intr+0xa4/0x13d (36) Aug 10 11:32:31 cichlid kernel: [handle_IRQ_event+101/218] handle_IRQ_event+0x65/0xda (52) Aug 10 11:32:31 cichlid kernel: [] handle_IRQ_event+0x65/0xda (52) Aug 10 11:32:31 cichlid kernel: [do_hardirq+78/232] do_hardirq+0x4e/0xe8 (44) Aug 10 11:32:31 cichlid kernel: [] do_hardirq+0x4e/0xe8 (44) Aug 10 11:32:31 cichlid kernel: [do_irqd+204/467] do_irqd+0xcc/0x1d3 (40) Aug 10 11:32:31 cichlid kernel: [] do_irqd+0xcc/0x1d3 (40) Aug 10 11:32:31 cichlid kernel: [kthread+165/205] kthread+0xa5/0xcd (48) Aug 10 11:32:31 cichlid kernel: [] kthread+0xa5/0xcd (48) Aug 10 11:32:31 cichlid kernel: [kernel_thread_helper+5/11] kernel_thread_helper+0x5/0xb (137879580) Aug 10 11:32:31 cichlid kernel: [] kernel_thread_helper+0x5/0xb (137879580) Aug 10 11:32:32 cichlid kernel: --------------------------- Aug 10 11:32:32 cichlid kernel: | preempt count: 20000001 ] Aug 10 11:32:32 cichlid kernel: | 1-level deep critical section nesting: Aug 10 11:32:32 cichlid kernel: ---------------------------------------- Aug 10 11:32:32 cichlid kernel: .. [add_preempt_count+28/30] .... add_preempt_count+0x1c/0x1e Aug 10 11:32:32 cichlid kernel: .. [] .... add_preempt_count+0x1c/0x1e Aug 10 11:32:32 cichlid kernel: .....[__WARN_ON+18/118] .. ( <= __WARN_ON+0x12/0x76) Aug 10 11:32:32 cichlid kernel: .....[] .. ( <= __WARN_ON+0x12/0x76) Aug 10 11:32:33 cichlid kernel: Aug 10 11:32:37 cichlid kernel: ------------------------------ Aug 10 11:32:37 cichlid kernel: | showing all locks held by: | (IRQ 14/206 [f7ea60a0, 51]): Aug 10 11:32:37 cichlid kernel: ------------------------------ Aug 10 11:32:37 cichlid kernel: Aug 10 11:32:37 cichlid kernel: #001: [c03e3b80] {ide_lock} Aug 10 11:32:37 cichlid kernel: ... acquired at: ide_end_request+0x19/0x95 Aug 10 11:32:37 cichlid kernel: Aug 10 11:32:37 cichlid kernel: #002: [c03471a4] {console_sem.lock} Aug 10 11:32:37 cichlid kernel: ... acquired at: vprintk+0x140/0x253 Aug 10 11:32:37 cichlid kernel: Aug 10 11:32:37 cichlid kernel: #003: [f7f6a4c8] {&cachep->spinlock} Aug 10 11:32:37 cichlid kernel: ... acquired at: kfree+0x8e/0x155 Aug 10 11:32:37 cichlid kernel: Aug 10 11:32:37 cichlid kernel: #004: [c1808d40] {&q->lock} Aug 10 11:32:37 cichlid kernel: ... acquired at: __wake_up+0x15/0x5f Aug 10 11:32:37 cichlid kernel: Aug 10 11:32:37 cichlid kernel: caller is __down_mutex+0x484/0x62a Aug 10 11:32:37 cichlid kernel: [dump_stack+30/32] dump_stack+0x1e/0x20 (20) Aug 10 11:32:37 cichlid kernel: [] dump_stack+0x1e/0x20 (20) Aug 10 11:32:37 cichlid kernel: [schedule+161/274] schedule+0xa1/0x112 (28) Aug 10 11:32:37 cichlid kernel: [] schedule+0xa1/0x112 (28) Aug 10 11:32:37 cichlid kernel: [__down_mutex+1156/1578] __down_mutex+0x484/0x62a (124) Aug 10 11:32:37 cichlid kernel: [] __down_mutex+0x484/0x62a (124) Aug 10 11:32:37 cichlid kernel: [_spin_lock_irqsave+31/73] _spin_lock_irqsave+0x1f/0x49 (28) Aug 10 11:32:37 cichlid kernel: [] _spin_lock_irqsave+0x1f/0x49 (28) Aug 10 11:32:37 cichlid kernel: [__wake_up+21/95] __wake_up+0x15/0x5f (44) Aug 10 11:32:37 cichlid kernel: [] __wake_up+0x15/0x5f (44) Aug 10 11:32:37 cichlid kernel: [__wake_up_bit+52/58] __wake_up_bit+0x34/0x3a (24) Aug 10 11:32:37 cichlid kernel: [] __wake_up_bit+0x34/0x3a (24) Aug 10 11:32:37 cichlid kernel: [wake_up_bit+23/27] wake_up_bit+0x17/0x1b (16) Aug 10 11:32:37 cichlid kernel: [] wake_up_bit+0x17/0x1b (16) Aug 10 11:32:37 cichlid kernel: [unlock_buffer+17/19] unlock_buffer+0x11/0x13 (8) Aug 10 11:32:37 cichlid kernel: [] unlock_buffer+0x11/0x13 (8) Aug 10 11:32:37 cichlid kernel: [end_buffer_async_write+96/486] end_buffer_async_write+0x60/0x1e6 (68) Aug 10 11:32:37 cichlid kernel: [] end_buffer_async_write+0x60/0x1e6 (68) Aug 10 11:32:37 cichlid kernel: [end_bio_bh_io_sync+47/102] end_bio_bh_io_sync+0x2f/0x66 (20) Aug 10 11:32:37 cichlid kernel: [] end_bio_bh_io_sync+0x2f/0x66 (20) Aug 10 11:32:37 cichlid kernel: [bio_endio+78/120] bio_endio+0x4e/0x78 (32) Aug 10 11:32:38 cichlid kernel: [] bio_endio+0x4e/0x78 (32) Aug 10 11:32:38 cichlid kernel: [__end_that_request_first+212/586] __end_that_request_first+0xd4/0x24a (52) Aug 10 11:32:39 cichlid kernel: [] __end_that_request_first+0xd4/0x24a (52) Aug 10 11:32:39 cichlid kernel: [end_that_request_first+34/36] end_that_request_first+0x22/0x24 (20) Aug 10 11:32:39 cichlid kernel: [] end_that_request_first+0x22/0x24 (20) Aug 10 11:32:39 cichlid kernel: [__ide_end_request+88/393] __ide_end_request+0x58/0x189 (36) Aug 10 11:32:39 cichlid kernel: [] __ide_end_request+0x58/0x189 (36) Aug 10 11:32:39 cichlid kernel: [ide_end_request+124/149] ide_end_request+0x7c/0x95 (40) Aug 10 11:32:39 cichlid kernel: [] ide_end_request+0x7c/0x95 (40) Aug 10 11:32:39 cichlid kernel: [ide_dma_intr+139/206] ide_dma_intr+0x8b/0xce (32) Aug 10 11:32:39 cichlid kernel: [] ide_dma_intr+0x8b/0xce (32) Aug 10 11:32:39 cichlid kernel: [ide_intr+164/317] ide_intr+0xa4/0x13d (36) Aug 10 11:32:39 cichlid kernel: [] ide_intr+0xa4/0x13d (36) Aug 10 11:32:39 cichlid kernel: [handle_IRQ_event+101/218] handle_IRQ_event+0x65/0xda (52) Aug 10 11:32:39 cichlid kernel: [] handle_IRQ_event+0x65/0xda (52) Aug 10 11:32:39 cichlid kernel: [do_hardirq+78/232] do_hardirq+0x4e/0xe8 (44) Aug 10 11:32:39 cichlid kernel: [] do_hardirq+0x4e/0xe8 (44) Aug 10 11:32:39 cichlid kernel: [do_irqd+204/467] do_irqd+0xcc/0x1d3 (40) Aug 10 11:32:39 cichlid kernel: [] do_irqd+0xcc/0x1d3 (40) Aug 10 11:32:39 cichlid kernel: [kthread+165/205] kthread+0xa5/0xcd (48) Aug 10 11:32:39 cichlid kernel: [] kthread+0xa5/0xcd (48) Aug 10 11:32:39 cichlid kernel: [kernel_thread_helper+5/11] kernel_thread_helper+0x5/0xb (137879580) Aug 10 11:32:39 cichlid kernel: [] kernel_thread_helper+0x5/0xb (137879580) Aug 10 11:32:39 cichlid kernel: --------------------------- Aug 10 11:32:39 cichlid kernel: | preempt count: 20000000 ] Aug 10 11:32:39 cichlid kernel: | 0-level deep critical section nesting: Aug 10 11:32:39 cichlid kernel: ---------------------------------------- Aug 10 11:32:39 cichlid kernel: Aug 10 11:32:39 cichlid kernel: ------------------------------ Aug 10 11:32:39 cichlid kernel: | showing all locks held by: | (IRQ 14/206 [f7ea60a0, 51]): Aug 10 11:32:39 cichlid kernel: ------------------------------ Aug 10 11:32:39 cichlid kernel: Aug 10 11:32:39 cichlid kernel: #001: [c03e3b80] {ide_lock} Aug 10 11:32:39 cichlid kernel: ... acquired at: ide_end_request+0x19/0x95 Aug 10 11:32:39 cichlid kernel: Aug 10 11:32:39 cichlid kernel: #002: [c1808d40] {&q->lock} Aug 10 11:32:39 cichlid kernel: ... acquired at: __wake_up+0x15/0x5f Aug 10 11:32:39 cichlid kernel: