From mboxrd@z Thu Jan 1 00:00:00 1970 From: poma Subject: INFO: task echo:622 blocked for more than 120 seconds. - 3.18.0-0.rc0.git Date: Mon, 20 Oct 2014 08:13:22 +0200 Message-ID: <5444A802.9030504@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: nouveau-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "Nouveau" To: Linux Kernel list , "nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org" Cc: Mailing-List fedora-kernel List-Id: nouveau.vger.kernel.org 02:00.0 VGA compatible controller: NVIDIA Corporation G98 [GeForce 8400 GS Rev. 2] (rev a1) Chipset: G98 (NV98) Family : NV50 The same for all four kernel: - 3.18.0-0.rc0.git8.1.fc22.x86_64 - 3.18.0-0.rc0.git9.1.fc22.x86_64 - 3.18.0-0.rc0.git9.3.fc22.x86_64 - 3.18.0-0.rc0.git9.4.fc22.x86_64 after "fb: switching to nouveaufb from VESA VGA" display is powered off. The magic SysRq key sequence is necessary to reboot. Yet reached this this one recital: ... [ 5.860996] [drm] Initialized nouveau 1.2.1 20120801 for 0000:02:00.0 on minor 0 ... [ 240.229058] INFO: task echo:622 blocked for more than 120 seconds. [ 240.229594] Not tainted 3.18.0-0.rc0.git9.3.fc22.x86_64 #1 [ 240.230149] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 240.230661] echo D ffff8800c82a3480 12472 622 1 0x00000004 [ 240.231230] ffff8800ca2e3ac8 0000000000000096 ffff8800c82a3480 00000000001d5f00 [ 240.231784] ffff8800ca2e3fd8 00000000001d5f00 ffff880128bf0000 ffff8800c82a3480 [ 240.232344] ffffffff82c30990 7fffffffffffffff ffffffff81ee2698 ffffffff81ee2690 [ 240.232931] Call Trace: [ 240.233467] [] schedule+0x29/0x70 [ 240.234025] [] schedule_timeout+0x26c/0x410 [ 240.234562] [] ? native_sched_clock+0x2a/0xa0 [ 240.235118] [] ? mark_held_locks+0x7c/0xb0 [ 240.235645] [] ? _raw_spin_unlock_irq+0x30/0x50 [ 240.236198] [] ? trace_hardirqs_on_caller+0x15d/0x200 [ 240.236729] [] wait_for_completion+0x10c/0x150 [ 240.237290] [] ? wake_up_state+0x20/0x20 [ 240.237842] [] _rcu_barrier+0x159/0x200 [ 240.238375] [] rcu_barrier+0x15/0x20 [ 240.238913] [] netdev_run_todo+0x6f/0x310 [ 240.239449] [] rtnl_unlock+0xe/0x10 [ 240.239999] [] unregister_netdev+0x25/0x30 [ 240.240546] [] rtl_remove_one+0x62/0x230 [r8169] [ 240.241104] [] pci_device_remove+0x3f/0xc0 [ 240.241642] [] __device_release_driver+0x7f/0xf0 [ 240.242180] [] device_release_driver+0x25/0x40 [ 240.242712] [] pci_stop_bus_device+0x9c/0xb0 [ 240.243259] [] pci_stop_and_remove_bus_device_locked+0x1e/0x40 [ 240.243785] [] remove_store+0x7c/0x90 [ 240.244321] [] dev_attr_store+0x18/0x30 [ 240.244858] [] sysfs_kf_write+0x49/0x60 [ 240.245375] [] kernfs_fop_write+0xf9/0x180 [ 240.245921] [] vfs_write+0xba/0x200 [ 240.246439] [] ? retint_swapgs+0x13/0x1b [ 240.246978] [] SyS_write+0x5c/0xd0 [ 240.247491] [] system_call_fastpath+0x12/0x17 [ 240.248025] 6 locks held by echo/622: [ 240.248532] #0: (sb_writers#3){.+.+.+}, at: [] vfs_write+0x1a3/0x200 [ 240.249104] #1: (&of->mutex){+.+.+.}, at: [] kernfs_fop_write+0xc7/0x180 [ 240.249651] #2: (s_active#131){++++++}, at: [] kernfs_remove_self+0xf4/0x170 [ 240.250229] #3: (pci_rescan_remove_lock){+.+.+.}, at: [] pci_lock_rescan_remove+0x17/0x20 [ 240.250779] #4: (&dev->mutex){......}, at: [] device_release_driver+0x1d/0x40 [ 240.251358] #5: (rcu_sched_state.barrier_mutex){+.+...}, at: [] _rcu_barrier+0x35/0x200 [ 241.303095] systemd[1]: start request repeated too quickly for lightdm.service [ 241.323052] systemd[1]: Unit lightdm.service entered failed state. [ 241.333101] systemd[1]: lightdm.service failed. [ 359.038325] INFO: task kworker/u16:2:81 blocked for more than 120 seconds. [ 359.039475] Not tainted 3.18.0-0.rc0.git9.3.fc22.x86_64 #1 [ 359.040004] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 359.040571] kworker/u16:2 D ffff880128131a40 10896 81 2 0x00000000 [ 359.041162] Workqueue: netns cleanup_net [ 359.041701] ffff8801275bba88 0000000000000096 ffff880128131a40 00000000001d5f00 [ 359.042280] ffff8801275bbfd8 00000000001d5f00 ffff880128bf3480 ffff880128131a40 [ 359.042856] ffff880128131a40 ffffffff81ee25e8 0000000000000246 ffff880128131a40 [ 359.043436] Call Trace: [ 359.043975] [] schedule_preempt_disabled+0x31/0x80 [ 359.044542] [] mutex_lock_nested+0x183/0x440 [ 359.045108] [] ? _rcu_barrier+0x35/0x200 [ 359.045647] [] ? native_sched_clock+0x2a/0xa0 [ 359.046218] [] ? _rcu_barrier+0x35/0x200 [ 359.046767] [] ? __mutex_unlock_slowpath+0xc4/0x1c0 [ 359.047333] [] _rcu_barrier+0x35/0x200 [ 359.047875] [] rcu_barrier+0x15/0x20 [ 359.048433] [] netdev_run_todo+0x6f/0x310 [ 359.048969] [] ? rollback_registered_many+0x265/0x2e0 [ 359.049528] [] rtnl_unlock+0xe/0x10 [ 359.050062] [] default_device_exit_batch+0x156/0x180 [ 359.050624] [] ? abort_exclusive_wait+0xb0/0xb0 [ 359.051185] [] ops_exit_list.isra.1+0x53/0x60 [ 359.051720] [] cleanup_net+0x100/0x1f0 [ 359.052271] [] process_one_work+0x218/0x850 [ 359.052806] [] ? process_one_work+0x17f/0x850 [ 359.053356] [] ? worker_thread+0xe7/0x4a0 [ 359.053891] [] worker_thread+0x6b/0x4a0 [ 359.054444] [] ? process_one_work+0x850/0x850 [ 359.054977] [] kthread+0x10b/0x130 [ 359.055521] [] ? sched_clock+0x9/0x10 [ 359.056054] [] ? kthread_create_on_node+0x250/0x250 [ 359.056600] [] ret_from_fork+0x7c/0xb0 [ 359.057145] [] ? kthread_create_on_node+0x250/0x250 [ 359.057668] 4 locks held by kworker/u16:2/81: [ 359.058212] #0: ("%s""netns"){.+.+.+}, at: [] process_one_work+0x17f/0x850 [ 359.058784] #1: (net_cleanup_work){+.+.+.}, at: [] process_one_work+0x17f/0x850 [ 359.059376] #2: (net_mutex){+.+.+.}, at: [] cleanup_net+0x8c/0x1f0 [ 359.059949] #3: (rcu_sched_state.barrier_mutex){+.+...}, at: [] _rcu_barrier+0x35/0x200 [ 359.060566] INFO: task echo:622 blocked for more than 120 seconds. [ 359.061131] Not tainted 3.18.0-0.rc0.git9.3.fc22.x86_64 #1 [ 359.061666] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 359.062218] echo D ffff8800c82a3480 12472 622 1 0x00000004 [ 359.062783] ffff8800ca2e3ac8 0000000000000096 ffff8800c82a3480 00000000001d5f00 [ 359.063365] ffff8800ca2e3fd8 00000000001d5f00 ffff880128bf0000 ffff8800c82a3480 [ 359.063915] ffffffff82c30990 7fffffffffffffff ffffffff81ee2698 ffffffff81ee2690 [ 359.064499] Call Trace: [ 359.065029] [] schedule+0x29/0x70 [ 359.065590] [] schedule_timeout+0x26c/0x410 [ 359.066141] [] ? native_sched_clock+0x2a/0xa0 [ 359.066664] [] ? mark_held_locks+0x7c/0xb0 [ 359.067208] [] ? _raw_spin_unlock_irq+0x30/0x50 [ 359.067723] [] ? trace_hardirqs_on_caller+0x15d/0x200 [ 359.068265] [] wait_for_completion+0x10c/0x150 [ 359.068789] [] ? wake_up_state+0x20/0x20 [ 359.069334] [] _rcu_barrier+0x159/0x200 [ 359.069846] [] rcu_barrier+0x15/0x20 [ 359.070378] [] netdev_run_todo+0x6f/0x310 [ 359.070890] [] rtnl_unlock+0xe/0x10 [ 359.071417] [] unregister_netdev+0x25/0x30 [ 359.071951] [] rtl_remove_one+0x62/0x230 [r8169] [ 359.072499] [] pci_device_remove+0x3f/0xc0 [ 359.073015] [] __device_release_driver+0x7f/0xf0 [ 359.073557] [] device_release_driver+0x25/0x40 [ 359.074067] [] pci_stop_bus_device+0x9c/0xb0 [ 359.074602] [] pci_stop_and_remove_bus_device_locked+0x1e/0x40 [ 359.075141] [] remove_store+0x7c/0x90 [ 359.075658] [] dev_attr_store+0x18/0x30 [ 359.076192] [] sysfs_kf_write+0x49/0x60 [ 359.076710] [] kernfs_fop_write+0xf9/0x180 [ 359.077249] [] vfs_write+0xba/0x200 [ 359.077758] [] ? retint_swapgs+0x13/0x1b [ 359.078283] [] SyS_write+0x5c/0xd0 [ 359.078796] [] system_call_fastpath+0x12/0x17 [ 359.079326] 6 locks held by echo/622: [ 359.079829] #0: (sb_writers#3){.+.+.+}, at: [] vfs_write+0x1a3/0x200 [ 359.080405] #1: (&of->mutex){+.+.+.}, at: [] kernfs_fop_write+0xc7/0x180 [ 359.080957] #2: (s_active#131){++++++}, at: [] kernfs_remove_self+0xf4/0x170 [ 359.081531] #3: (pci_rescan_remove_lock){+.+.+.}, at: [] pci_lock_rescan_remove+0x17/0x20 [ 359.082133] #4: (&dev->mutex){......}, at: [] device_release_driver+0x1d/0x40 [ 359.082699] #5: (rcu_sched_state.barrier_mutex){+.+...}, at: [] _rcu_barrier+0x35/0x200 [ 380.911219] systemd-journald[386]: Received request to flush runtime journal from PID 1 [ 383.238185] systemd-journald[386]: Received request to flush runtime journal from PID 1 [ 383.559763] systemd[1]: Unit lightdm.service entered failed state. [ 383.569825] systemd[1]: lightdm.service failed. [ 385.570803] systemd[1]: lightdm.service failed. [ 479.091518] INFO: task kworker/u16:2:81 blocked for more than 120 seconds. [ 479.092050] Not tainted 3.18.0-0.rc0.git9.3.fc22.x86_64 #1 [ 479.092608] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 479.093093] kworker/u16:2 D ffff880128131a40 10896 81 2 0x00000000 [ 479.093650] Workqueue: netns cleanup_net [ 479.094110] ffff8801275bba88 0000000000000096 ffff880128131a40 00000000001d5f00 [ 479.094594] ffff8801275bbfd8 00000000001d5f00 ffff880128bf3480 ffff880128131a40 [ 479.095040] ffff880128131a40 ffffffff81ee25e8 0000000000000246 ffff880128131a40 [ 479.095485] Call Trace: [ 479.095874] [] schedule_preempt_disabled+0x31/0x80 [ 479.096246] [] mutex_lock_nested+0x183/0x440 [ 479.096634] [] ? _rcu_barrier+0x35/0x200 [ 479.096986] [] ? native_sched_clock+0x2a/0xa0 [ 479.097367] [] ? _rcu_barrier+0x35/0x200 [ 479.097712] [] ? __mutex_unlock_slowpath+0xc4/0x1c0 [ 479.098061] [] _rcu_barrier+0x35/0x200 [ 479.098425] [] rcu_barrier+0x15/0x20 [ 479.098771] [] netdev_run_todo+0x6f/0x310 [ 479.099109] [] ? rollback_registered_many+0x265/0x2e0 [ 479.099485] [] rtnl_unlock+0xe/0x10 [ 479.099828] [] default_device_exit_batch+0x156/0x180 [ 479.100181] [] ? abort_exclusive_wait+0xb0/0xb0 [ 479.100572] [] ops_exit_list.isra.1+0x53/0x60 [ 479.100935] [] cleanup_net+0x100/0x1f0 [ 479.101323] [] process_one_work+0x218/0x850 [ 479.101689] [] ? process_one_work+0x17f/0x850 [ 479.102039] [] ? worker_thread+0xe7/0x4a0 [ 479.102420] [] worker_thread+0x6b/0x4a0 [ 479.102773] [] ? process_one_work+0x850/0x850 [ 479.103138] [] kthread+0x10b/0x130 [ 479.103529] [] ? sched_clock+0x9/0x10 [ 479.103912] [] ? kthread_create_on_node+0x250/0x250 [ 479.104315] [] ret_from_fork+0x7c/0xb0 [ 479.104714] [] ? kthread_create_on_node+0x250/0x250 [ 479.105111] 4 locks held by kworker/u16:2/81: [ 479.105543] #0: ("%s""netns"){.+.+.+}, at: [] process_one_work+0x17f/0x850 [ 479.105997] #1: (net_cleanup_work){+.+.+.}, at: [] process_one_work+0x17f/0x850 [ 479.106485] #2: (net_mutex){+.+.+.}, at: [] cleanup_net+0x8c/0x1f0 [ 479.106966] #3: (rcu_sched_state.barrier_mutex){+.+...}, at: [] _rcu_barrier+0x35/0x200 [ 479.107496] INFO: task echo:622 blocked for more than 120 seconds. [ 479.107958] Not tainted 3.18.0-0.rc0.git9.3.fc22.x86_64 #1 [ 479.108450] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 479.108941] echo D ffff8800c82a3480 12472 622 1 0x00000004 [ 479.109494] ffff8800ca2e3ac8 0000000000000096 ffff8800c82a3480 00000000001d5f00 [ 479.110038] ffff8800ca2e3fd8 00000000001d5f00 ffff880128bf0000 ffff8800c82a3480 [ 479.110596] ffffffff82c30990 7fffffffffffffff ffffffff81ee2698 ffffffff81ee2690 [ 479.111143] Call Trace: [ 479.111694] [] schedule+0x29/0x70 [ 479.112236] [] schedule_timeout+0x26c/0x410 [ 479.112786] [] ? native_sched_clock+0x2a/0xa0 [ 479.113331] [] ? mark_held_locks+0x7c/0xb0 [ 479.113853] [] ? _raw_spin_unlock_irq+0x30/0x50 [ 479.114393] [] ? trace_hardirqs_on_caller+0x15d/0x200 [ 479.114917] [] wait_for_completion+0x10c/0x150 [ 479.115459] [] ? wake_up_state+0x20/0x20 [ 479.115975] [] _rcu_barrier+0x159/0x200 [ 479.116510] [] rcu_barrier+0x15/0x20 [ 479.117028] [] netdev_run_todo+0x6f/0x310 [ 479.117553] [] rtnl_unlock+0xe/0x10 [ 479.118067] [] unregister_netdev+0x25/0x30 [ 479.118617] [] rtl_remove_one+0x62/0x230 [r8169] [ 479.119140] [] pci_device_remove+0x3f/0xc0 [ 479.119688] [] __device_release_driver+0x7f/0xf0 [ 479.120196] [] device_release_driver+0x25/0x40 [ 479.120722] [] pci_stop_bus_device+0x9c/0xb0 [ 479.121243] [] pci_stop_and_remove_bus_device_locked+0x1e/0x40 [ 479.121782] [] remove_store+0x7c/0x90 [ 479.122323] [] dev_attr_store+0x18/0x30 [ 479.122838] [] sysfs_kf_write+0x49/0x60 [ 479.123364] [] kernfs_fop_write+0xf9/0x180 [ 479.123882] [] vfs_write+0xba/0x200 [ 479.124416] [] ? retint_swapgs+0x13/0x1b [ 479.124928] [] SyS_write+0x5c/0xd0 [ 479.125460] [] system_call_fastpath+0x12/0x17 [ 479.125968] 6 locks held by echo/622: [ 479.126498] #0: (sb_writers#3){.+.+.+}, at: [] vfs_write+0x1a3/0x200 [ 479.127054] #1: (&of->mutex){+.+.+.}, at: [] kernfs_fop_write+0xc7/0x180 [ 479.127624] #2: (s_active#131){++++++}, at: [] kernfs_remove_self+0xf4/0x170 [ 479.128192] #3: (pci_rescan_remove_lock){+.+.+.}, at: [] pci_lock_rescan_remove+0x17/0x20 [ 479.128773] #4: (&dev->mutex){......}, at: [] device_release_driver+0x1d/0x40 [ 479.129361] #5: (rcu_sched_state.barrier_mutex){+.+...}, at: [] _rcu_barrier+0x35/0x200 ... Ref. http://koji.fedoraproject.org/koji/packageinfo?packageID=8 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752666AbaJTGN3 (ORCPT ); Mon, 20 Oct 2014 02:13:29 -0400 Received: from mail-wg0-f41.google.com ([74.125.82.41]:35051 "EHLO mail-wg0-f41.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752473AbaJTGN0 (ORCPT ); Mon, 20 Oct 2014 02:13:26 -0400 Message-ID: <5444A802.9030504@gmail.com> Date: Mon, 20 Oct 2014 08:13:22 +0200 From: poma User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.2.0 MIME-Version: 1.0 To: Linux Kernel list , "nouveau@lists.freedesktop.org" CC: Mailing-List fedora-kernel Subject: INFO: task echo:622 blocked for more than 120 seconds. - 3.18.0-0.rc0.git Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 02:00.0 VGA compatible controller: NVIDIA Corporation G98 [GeForce 8400 GS Rev. 2] (rev a1) Chipset: G98 (NV98) Family : NV50 The same for all four kernel: - 3.18.0-0.rc0.git8.1.fc22.x86_64 - 3.18.0-0.rc0.git9.1.fc22.x86_64 - 3.18.0-0.rc0.git9.3.fc22.x86_64 - 3.18.0-0.rc0.git9.4.fc22.x86_64 after "fb: switching to nouveaufb from VESA VGA" display is powered off. The magic SysRq key sequence is necessary to reboot. Yet reached this this one recital: ... [ 5.860996] [drm] Initialized nouveau 1.2.1 20120801 for 0000:02:00.0 on minor 0 ... [ 240.229058] INFO: task echo:622 blocked for more than 120 seconds. [ 240.229594] Not tainted 3.18.0-0.rc0.git9.3.fc22.x86_64 #1 [ 240.230149] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 240.230661] echo D ffff8800c82a3480 12472 622 1 0x00000004 [ 240.231230] ffff8800ca2e3ac8 0000000000000096 ffff8800c82a3480 00000000001d5f00 [ 240.231784] ffff8800ca2e3fd8 00000000001d5f00 ffff880128bf0000 ffff8800c82a3480 [ 240.232344] ffffffff82c30990 7fffffffffffffff ffffffff81ee2698 ffffffff81ee2690 [ 240.232931] Call Trace: [ 240.233467] [] schedule+0x29/0x70 [ 240.234025] [] schedule_timeout+0x26c/0x410 [ 240.234562] [] ? native_sched_clock+0x2a/0xa0 [ 240.235118] [] ? mark_held_locks+0x7c/0xb0 [ 240.235645] [] ? _raw_spin_unlock_irq+0x30/0x50 [ 240.236198] [] ? trace_hardirqs_on_caller+0x15d/0x200 [ 240.236729] [] wait_for_completion+0x10c/0x150 [ 240.237290] [] ? wake_up_state+0x20/0x20 [ 240.237842] [] _rcu_barrier+0x159/0x200 [ 240.238375] [] rcu_barrier+0x15/0x20 [ 240.238913] [] netdev_run_todo+0x6f/0x310 [ 240.239449] [] rtnl_unlock+0xe/0x10 [ 240.239999] [] unregister_netdev+0x25/0x30 [ 240.240546] [] rtl_remove_one+0x62/0x230 [r8169] [ 240.241104] [] pci_device_remove+0x3f/0xc0 [ 240.241642] [] __device_release_driver+0x7f/0xf0 [ 240.242180] [] device_release_driver+0x25/0x40 [ 240.242712] [] pci_stop_bus_device+0x9c/0xb0 [ 240.243259] [] pci_stop_and_remove_bus_device_locked+0x1e/0x40 [ 240.243785] [] remove_store+0x7c/0x90 [ 240.244321] [] dev_attr_store+0x18/0x30 [ 240.244858] [] sysfs_kf_write+0x49/0x60 [ 240.245375] [] kernfs_fop_write+0xf9/0x180 [ 240.245921] [] vfs_write+0xba/0x200 [ 240.246439] [] ? retint_swapgs+0x13/0x1b [ 240.246978] [] SyS_write+0x5c/0xd0 [ 240.247491] [] system_call_fastpath+0x12/0x17 [ 240.248025] 6 locks held by echo/622: [ 240.248532] #0: (sb_writers#3){.+.+.+}, at: [] vfs_write+0x1a3/0x200 [ 240.249104] #1: (&of->mutex){+.+.+.}, at: [] kernfs_fop_write+0xc7/0x180 [ 240.249651] #2: (s_active#131){++++++}, at: [] kernfs_remove_self+0xf4/0x170 [ 240.250229] #3: (pci_rescan_remove_lock){+.+.+.}, at: [] pci_lock_rescan_remove+0x17/0x20 [ 240.250779] #4: (&dev->mutex){......}, at: [] device_release_driver+0x1d/0x40 [ 240.251358] #5: (rcu_sched_state.barrier_mutex){+.+...}, at: [] _rcu_barrier+0x35/0x200 [ 241.303095] systemd[1]: start request repeated too quickly for lightdm.service [ 241.323052] systemd[1]: Unit lightdm.service entered failed state. [ 241.333101] systemd[1]: lightdm.service failed. [ 359.038325] INFO: task kworker/u16:2:81 blocked for more than 120 seconds. [ 359.039475] Not tainted 3.18.0-0.rc0.git9.3.fc22.x86_64 #1 [ 359.040004] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 359.040571] kworker/u16:2 D ffff880128131a40 10896 81 2 0x00000000 [ 359.041162] Workqueue: netns cleanup_net [ 359.041701] ffff8801275bba88 0000000000000096 ffff880128131a40 00000000001d5f00 [ 359.042280] ffff8801275bbfd8 00000000001d5f00 ffff880128bf3480 ffff880128131a40 [ 359.042856] ffff880128131a40 ffffffff81ee25e8 0000000000000246 ffff880128131a40 [ 359.043436] Call Trace: [ 359.043975] [] schedule_preempt_disabled+0x31/0x80 [ 359.044542] [] mutex_lock_nested+0x183/0x440 [ 359.045108] [] ? _rcu_barrier+0x35/0x200 [ 359.045647] [] ? native_sched_clock+0x2a/0xa0 [ 359.046218] [] ? _rcu_barrier+0x35/0x200 [ 359.046767] [] ? __mutex_unlock_slowpath+0xc4/0x1c0 [ 359.047333] [] _rcu_barrier+0x35/0x200 [ 359.047875] [] rcu_barrier+0x15/0x20 [ 359.048433] [] netdev_run_todo+0x6f/0x310 [ 359.048969] [] ? rollback_registered_many+0x265/0x2e0 [ 359.049528] [] rtnl_unlock+0xe/0x10 [ 359.050062] [] default_device_exit_batch+0x156/0x180 [ 359.050624] [] ? abort_exclusive_wait+0xb0/0xb0 [ 359.051185] [] ops_exit_list.isra.1+0x53/0x60 [ 359.051720] [] cleanup_net+0x100/0x1f0 [ 359.052271] [] process_one_work+0x218/0x850 [ 359.052806] [] ? process_one_work+0x17f/0x850 [ 359.053356] [] ? worker_thread+0xe7/0x4a0 [ 359.053891] [] worker_thread+0x6b/0x4a0 [ 359.054444] [] ? process_one_work+0x850/0x850 [ 359.054977] [] kthread+0x10b/0x130 [ 359.055521] [] ? sched_clock+0x9/0x10 [ 359.056054] [] ? kthread_create_on_node+0x250/0x250 [ 359.056600] [] ret_from_fork+0x7c/0xb0 [ 359.057145] [] ? kthread_create_on_node+0x250/0x250 [ 359.057668] 4 locks held by kworker/u16:2/81: [ 359.058212] #0: ("%s""netns"){.+.+.+}, at: [] process_one_work+0x17f/0x850 [ 359.058784] #1: (net_cleanup_work){+.+.+.}, at: [] process_one_work+0x17f/0x850 [ 359.059376] #2: (net_mutex){+.+.+.}, at: [] cleanup_net+0x8c/0x1f0 [ 359.059949] #3: (rcu_sched_state.barrier_mutex){+.+...}, at: [] _rcu_barrier+0x35/0x200 [ 359.060566] INFO: task echo:622 blocked for more than 120 seconds. [ 359.061131] Not tainted 3.18.0-0.rc0.git9.3.fc22.x86_64 #1 [ 359.061666] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 359.062218] echo D ffff8800c82a3480 12472 622 1 0x00000004 [ 359.062783] ffff8800ca2e3ac8 0000000000000096 ffff8800c82a3480 00000000001d5f00 [ 359.063365] ffff8800ca2e3fd8 00000000001d5f00 ffff880128bf0000 ffff8800c82a3480 [ 359.063915] ffffffff82c30990 7fffffffffffffff ffffffff81ee2698 ffffffff81ee2690 [ 359.064499] Call Trace: [ 359.065029] [] schedule+0x29/0x70 [ 359.065590] [] schedule_timeout+0x26c/0x410 [ 359.066141] [] ? native_sched_clock+0x2a/0xa0 [ 359.066664] [] ? mark_held_locks+0x7c/0xb0 [ 359.067208] [] ? _raw_spin_unlock_irq+0x30/0x50 [ 359.067723] [] ? trace_hardirqs_on_caller+0x15d/0x200 [ 359.068265] [] wait_for_completion+0x10c/0x150 [ 359.068789] [] ? wake_up_state+0x20/0x20 [ 359.069334] [] _rcu_barrier+0x159/0x200 [ 359.069846] [] rcu_barrier+0x15/0x20 [ 359.070378] [] netdev_run_todo+0x6f/0x310 [ 359.070890] [] rtnl_unlock+0xe/0x10 [ 359.071417] [] unregister_netdev+0x25/0x30 [ 359.071951] [] rtl_remove_one+0x62/0x230 [r8169] [ 359.072499] [] pci_device_remove+0x3f/0xc0 [ 359.073015] [] __device_release_driver+0x7f/0xf0 [ 359.073557] [] device_release_driver+0x25/0x40 [ 359.074067] [] pci_stop_bus_device+0x9c/0xb0 [ 359.074602] [] pci_stop_and_remove_bus_device_locked+0x1e/0x40 [ 359.075141] [] remove_store+0x7c/0x90 [ 359.075658] [] dev_attr_store+0x18/0x30 [ 359.076192] [] sysfs_kf_write+0x49/0x60 [ 359.076710] [] kernfs_fop_write+0xf9/0x180 [ 359.077249] [] vfs_write+0xba/0x200 [ 359.077758] [] ? retint_swapgs+0x13/0x1b [ 359.078283] [] SyS_write+0x5c/0xd0 [ 359.078796] [] system_call_fastpath+0x12/0x17 [ 359.079326] 6 locks held by echo/622: [ 359.079829] #0: (sb_writers#3){.+.+.+}, at: [] vfs_write+0x1a3/0x200 [ 359.080405] #1: (&of->mutex){+.+.+.}, at: [] kernfs_fop_write+0xc7/0x180 [ 359.080957] #2: (s_active#131){++++++}, at: [] kernfs_remove_self+0xf4/0x170 [ 359.081531] #3: (pci_rescan_remove_lock){+.+.+.}, at: [] pci_lock_rescan_remove+0x17/0x20 [ 359.082133] #4: (&dev->mutex){......}, at: [] device_release_driver+0x1d/0x40 [ 359.082699] #5: (rcu_sched_state.barrier_mutex){+.+...}, at: [] _rcu_barrier+0x35/0x200 [ 380.911219] systemd-journald[386]: Received request to flush runtime journal from PID 1 [ 383.238185] systemd-journald[386]: Received request to flush runtime journal from PID 1 [ 383.559763] systemd[1]: Unit lightdm.service entered failed state. [ 383.569825] systemd[1]: lightdm.service failed. [ 385.570803] systemd[1]: lightdm.service failed. [ 479.091518] INFO: task kworker/u16:2:81 blocked for more than 120 seconds. [ 479.092050] Not tainted 3.18.0-0.rc0.git9.3.fc22.x86_64 #1 [ 479.092608] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 479.093093] kworker/u16:2 D ffff880128131a40 10896 81 2 0x00000000 [ 479.093650] Workqueue: netns cleanup_net [ 479.094110] ffff8801275bba88 0000000000000096 ffff880128131a40 00000000001d5f00 [ 479.094594] ffff8801275bbfd8 00000000001d5f00 ffff880128bf3480 ffff880128131a40 [ 479.095040] ffff880128131a40 ffffffff81ee25e8 0000000000000246 ffff880128131a40 [ 479.095485] Call Trace: [ 479.095874] [] schedule_preempt_disabled+0x31/0x80 [ 479.096246] [] mutex_lock_nested+0x183/0x440 [ 479.096634] [] ? _rcu_barrier+0x35/0x200 [ 479.096986] [] ? native_sched_clock+0x2a/0xa0 [ 479.097367] [] ? _rcu_barrier+0x35/0x200 [ 479.097712] [] ? __mutex_unlock_slowpath+0xc4/0x1c0 [ 479.098061] [] _rcu_barrier+0x35/0x200 [ 479.098425] [] rcu_barrier+0x15/0x20 [ 479.098771] [] netdev_run_todo+0x6f/0x310 [ 479.099109] [] ? rollback_registered_many+0x265/0x2e0 [ 479.099485] [] rtnl_unlock+0xe/0x10 [ 479.099828] [] default_device_exit_batch+0x156/0x180 [ 479.100181] [] ? abort_exclusive_wait+0xb0/0xb0 [ 479.100572] [] ops_exit_list.isra.1+0x53/0x60 [ 479.100935] [] cleanup_net+0x100/0x1f0 [ 479.101323] [] process_one_work+0x218/0x850 [ 479.101689] [] ? process_one_work+0x17f/0x850 [ 479.102039] [] ? worker_thread+0xe7/0x4a0 [ 479.102420] [] worker_thread+0x6b/0x4a0 [ 479.102773] [] ? process_one_work+0x850/0x850 [ 479.103138] [] kthread+0x10b/0x130 [ 479.103529] [] ? sched_clock+0x9/0x10 [ 479.103912] [] ? kthread_create_on_node+0x250/0x250 [ 479.104315] [] ret_from_fork+0x7c/0xb0 [ 479.104714] [] ? kthread_create_on_node+0x250/0x250 [ 479.105111] 4 locks held by kworker/u16:2/81: [ 479.105543] #0: ("%s""netns"){.+.+.+}, at: [] process_one_work+0x17f/0x850 [ 479.105997] #1: (net_cleanup_work){+.+.+.}, at: [] process_one_work+0x17f/0x850 [ 479.106485] #2: (net_mutex){+.+.+.}, at: [] cleanup_net+0x8c/0x1f0 [ 479.106966] #3: (rcu_sched_state.barrier_mutex){+.+...}, at: [] _rcu_barrier+0x35/0x200 [ 479.107496] INFO: task echo:622 blocked for more than 120 seconds. [ 479.107958] Not tainted 3.18.0-0.rc0.git9.3.fc22.x86_64 #1 [ 479.108450] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 479.108941] echo D ffff8800c82a3480 12472 622 1 0x00000004 [ 479.109494] ffff8800ca2e3ac8 0000000000000096 ffff8800c82a3480 00000000001d5f00 [ 479.110038] ffff8800ca2e3fd8 00000000001d5f00 ffff880128bf0000 ffff8800c82a3480 [ 479.110596] ffffffff82c30990 7fffffffffffffff ffffffff81ee2698 ffffffff81ee2690 [ 479.111143] Call Trace: [ 479.111694] [] schedule+0x29/0x70 [ 479.112236] [] schedule_timeout+0x26c/0x410 [ 479.112786] [] ? native_sched_clock+0x2a/0xa0 [ 479.113331] [] ? mark_held_locks+0x7c/0xb0 [ 479.113853] [] ? _raw_spin_unlock_irq+0x30/0x50 [ 479.114393] [] ? trace_hardirqs_on_caller+0x15d/0x200 [ 479.114917] [] wait_for_completion+0x10c/0x150 [ 479.115459] [] ? wake_up_state+0x20/0x20 [ 479.115975] [] _rcu_barrier+0x159/0x200 [ 479.116510] [] rcu_barrier+0x15/0x20 [ 479.117028] [] netdev_run_todo+0x6f/0x310 [ 479.117553] [] rtnl_unlock+0xe/0x10 [ 479.118067] [] unregister_netdev+0x25/0x30 [ 479.118617] [] rtl_remove_one+0x62/0x230 [r8169] [ 479.119140] [] pci_device_remove+0x3f/0xc0 [ 479.119688] [] __device_release_driver+0x7f/0xf0 [ 479.120196] [] device_release_driver+0x25/0x40 [ 479.120722] [] pci_stop_bus_device+0x9c/0xb0 [ 479.121243] [] pci_stop_and_remove_bus_device_locked+0x1e/0x40 [ 479.121782] [] remove_store+0x7c/0x90 [ 479.122323] [] dev_attr_store+0x18/0x30 [ 479.122838] [] sysfs_kf_write+0x49/0x60 [ 479.123364] [] kernfs_fop_write+0xf9/0x180 [ 479.123882] [] vfs_write+0xba/0x200 [ 479.124416] [] ? retint_swapgs+0x13/0x1b [ 479.124928] [] SyS_write+0x5c/0xd0 [ 479.125460] [] system_call_fastpath+0x12/0x17 [ 479.125968] 6 locks held by echo/622: [ 479.126498] #0: (sb_writers#3){.+.+.+}, at: [] vfs_write+0x1a3/0x200 [ 479.127054] #1: (&of->mutex){+.+.+.}, at: [] kernfs_fop_write+0xc7/0x180 [ 479.127624] #2: (s_active#131){++++++}, at: [] kernfs_remove_self+0xf4/0x170 [ 479.128192] #3: (pci_rescan_remove_lock){+.+.+.}, at: [] pci_lock_rescan_remove+0x17/0x20 [ 479.128773] #4: (&dev->mutex){......}, at: [] device_release_driver+0x1d/0x40 [ 479.129361] #5: (rcu_sched_state.barrier_mutex){+.+...}, at: [] _rcu_barrier+0x35/0x200 ... Ref. http://koji.fedoraproject.org/koji/packageinfo?packageID=8