[30551.206239] usb 2-5: dvb_usb_v2: usb_bulk_msg() failed=-19 [30551.206246] i2c i2c-6: af9013: i2c rd failed=-19 reg=d417 len=1 [30720.972038] INFO: task khubd:20 blocked for more than 120 seconds. [30720.972046] Tainted: PF O 3.13.0-27-generic #50-Ubuntu [30720.972048] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [30720.972050] khubd D d2e1c0b0 0 20 2 0x00000000 [30720.972057] f71c5b5c 00000046 f71c5af4 d2e1c0b0 00000246 c1a8b540 43195a3f 00001bc9 [30720.972063] c1a8b540 d2e98cf0 f71519e0 f7bd8540 00000001 f71519e0 c1082b00 00100100 [30720.972068] 00200200 e7d07f90 e4778228 d2e1c0b0 f71c5b40 c107513d e7c8ac00 00000246 [30720.972074] Call Trace: [30720.972088] [<c1082b00>] ? wake_up_state+0x20/0x20 [30720.972093] [<c107513d>] ? kthread_stop+0x3d/0xc0 [30720.972098] [<c10911bb>] ? prepare_to_wait_event+0x6b/0xd0 [30720.972103] [<c16529b3>] schedule+0x23/0x60 [30720.972132] [<f903b04d>] dvb_unregister_frontend+0x9d/0x100 [dvb_core] [30720.972141] [<f8f24b06>] ? rc_free_device+0x36/0x40 [rc_core] [30720.972145] [<c1091220>] ? prepare_to_wait_event+0xd0/0xd0 [30720.972152] [<f901a3ad>] dvb_usbv2_exit+0xad/0x310 [dvb_usb_v2] [30720.972156] [<c10862ed>] ? __enqueue_entity+0x6d/0x80 [30720.972162] [<f901a67f>] dvb_usbv2_disconnect+0x6f/0xf0 [dvb_usb_v2] [30720.972168] [<c12f77a3>] ? format_decode+0x323/0x390 [30720.972175] [<c1415460>] ? __pm_runtime_suspend+0x70/0x70 [30720.972179] [<c14154c0>] ? pm_suspend_timer_fn+0x60/0x60 [30720.972187] [<c14abb4a>] usb_unbind_interface+0x4a/0x190 [30720.972191] [<c1409d81>] __device_release_driver+0x61/0xc0 [30720.972195] [<c1409dfd>] device_release_driver+0x1d/0x30 [30720.972198] [<c1409773>] bus_remove_device+0xc3/0x130 [30720.972202] [<c14060b4>] ? device_remove_attrs+0x54/0x70 [30720.972206] [<c1406aec>] device_del+0xec/0x170 [30720.972210] [<c14a9746>] usb_disable_device+0x86/0x240 [30720.972213] [<c1406efd>] ? _dev_info+0x2d/0x30 [30720.972217] [<c149ec3d>] usb_disconnect+0x9d/0x1d0 [30720.972220] [<c14a186a>] hub_port_connect_change+0xca/0xaa0 [30720.972224] [<c14a8376>] ? usb_control_msg+0xb6/0xd0 [30720.972227] [<c14a2678>] hub_events+0x438/0xa60 [30720.972231] [<c1652578>] ? __schedule+0x358/0x770 [30720.972234] [<c1091044>] ? finish_wait+0x44/0x60 [30720.972238] [<c14a2cc5>] hub_thread+0x25/0x140 [30720.972241] [<c1091220>] ? prepare_to_wait_event+0xd0/0xd0 [30720.972244] [<c14a2ca0>] ? hub_events+0xa60/0xa60 [30720.972247] [<c1074f21>] kthread+0xa1/0xc0 [30720.972252] [<c165d037>] ret_from_kernel_thread+0x1b/0x28 [30720.972256] [<c1074e80>] ? kthread_create_on_node+0x150/0x150 [30720.972329] INFO: task vlc:19266 blocked for more than 120 seconds. [30720.972332] Tainted: PF O 3.13.0-27-generic #50-Ubuntu [30720.972334] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [30720.972335] vlc D c108ac82 0 19266 15309 0x00000000 [30720.972339] e478dcb0 00000082 e478dc90 c108ac82 f7bd85b0 c1a8b540 e9fa1d45 00001bc8 [30720.972345] c1a8b540 f62540b0 f62526d0 f7bd8540 d2e1c0b0 f62526d0 e478dc88 c100ecb0 [30720.972349] 00000000 f62529f4 f7bd5e00 f9ec6d95 00000002 f9ec6d95 f14aca80 f14aca80 [30720.972355] Call Trace: [30720.972359] [<c108ac82>] ? put_prev_task_fair+0xd2/0x540 [30720.972364] [<c100ecb0>] ? __switch_to+0xb0/0x340 [30720.972368] [<c1652578>] ? __schedule+0x358/0x770 [30720.972371] [<c16529b3>] schedule+0x23/0x60 [30720.972375] [<c1651ccd>] schedule_timeout+0x1cd/0x250 [30720.972379] [<c1080c22>] ? check_preempt_curr+0x72/0x90 [30720.972382] [<c1080c58>] ? ttwu_do_wakeup+0x18/0x120 [30720.972385] [<c1653223>] wait_for_completion+0x83/0x100 [30720.972389] [<c1082b00>] ? wake_up_state+0x20/0x20 [30720.972392] [<c107513d>] kthread_stop+0x3d/0xc0 [30720.972403] [<f903ab6b>] dvb_frontend_stop.isra.10+0x3b/0xc0 [dvb_core] [30720.972409] [<c11528ee>] ? __vmalloc_node+0x5e/0x70 [30720.972418] [<f903ae51>] dvb_frontend_open+0x261/0x3c0 [dvb_core] [30720.972421] [<c1152ad8>] ? vmalloc+0x38/0x40 [30720.972432] [<f903e537>] ? dvb_ringbuffer_init+0x37/0x40 [dvb_core] [30720.972439] [<f9031406>] ? dvb_device_open+0x66/0xd0 [dvb_core] [30720.972447] [<f903141b>] dvb_device_open+0x7b/0xd0 [dvb_core] [30720.972453] [<c117c987>] chrdev_open+0x87/0x190 [30720.972457] [<c117c900>] ? cdev_put+0x20/0x20 [30720.972462] [<c1176574>] do_dentry_open+0x174/0x260 [30720.972466] [<c1181ed0>] ? __inode_permission+0x40/0xa0 [30720.972469] [<c117c900>] ? cdev_put+0x20/0x20 [30720.972473] [<c1176aac>] vfs_open+0x3c/0x50 [30720.972476] [<c1185849>] do_last+0x4a9/0xf60 [30720.972479] [<c1183fdf>] ? link_path_walk+0x5f/0x6f0 [30720.972485] [<c12a6d5a>] ? apparmor_file_alloc_security+0x4a/0x130 [30720.972489] [<c11863b0>] path_openat+0xb0/0x520 [30720.972492] [<c11873d1>] do_filp_open+0x31/0x80 [30720.972496] [<c1178245>] do_sys_open+0x115/0x260 [30720.972500] [<c11887ff>] ? do_fcntl+0x3bf/0x4d0 [30720.972503] [<c11783e0>] SyS_openat+0x20/0x30 [30720.972507] [<c165d0cd>] sysenter_do_call+0x12/0x28 [30720.972512] [<c1650000>] ? kzalloc.constprop.8+0x5/0x19 [30840.972041] INFO: task khubd:20 blocked for more than 120 seconds. [30840.972049] Tainted: PF O 3.13.0-27-generic #50-Ubuntu [30840.972050] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/558532 Title: After removing dvb-t usb stick (MSI Digivox duo, af9015 based)usb subsystem hangs To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/558532/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs