(switched to email. Please respond via emailed reply-to-all, not via the bugzilla web interface). On Fri, 15 May 2009 17:46:49 GMT bugzilla-daemon@xxxxxxxxxxxxxxxxxxx wrote: > http://bugzilla.kernel.org/show_bug.cgi?id=13316 > > Summary: task khubd:281 blocked for more than 120 seconds > Product: Drivers > Version: 2.5 > Kernel Version: 2.6.30-rc5 > Platform: All > OS/Version: Linux > Tree: Mainline > Status: NEW > Severity: normal > Priority: P1 > Component: USB > AssignedTo: greg@xxxxxxxxx > ReportedBy: mrb74@xxxxxx > Regression: No > > > When unplugging the dvb-t device while using it (running me-tv) I got the > following syslog output: > > May 15 19:35:42 jupiter kernel: [ 6601.222871] INFO: task khubd:281 blocked for > more than 120 seconds. > May 15 19:35:42 jupiter kernel: [ 6601.222890] "echo 0 > > /proc/sys/kernel/hung_task_timeout_secs" disables this message. > May 15 19:35:42 jupiter kernel: [ 6601.222906] khubd D 000005e3 0 > 281 2 > May 15 19:35:42 jupiter kernel: [ 6601.222932] f71b3e30 00000046 bc40db98 > 000005e3 f0ce8000 f71b3dd0 c08e0510 c08a8dc0 > May 15 19:35:42 jupiter kernel: [ 6601.222982] c08a8dc0 00000000 f256fab8 > f71994e0 f7199774 c2225dc0 00000000 c014046b > May 15 19:35:42 jupiter kernel: [ 6601.223030] bc414f32 000005e3 f256fab8 > ffffffff 00000000 00000046 f71b3e14 f256faa8 > May 15 19:35:42 jupiter kernel: [ 6601.223077] Call Trace: > May 15 19:35:42 jupiter kernel: [ 6601.223112] [<c014046b>] ? > prepare_to_wait+0x14/0x48 > May 15 19:35:42 jupiter kernel: [ 6601.223136] [<c014d665>] ? > trace_hardirqs_on+0xb/0xd > May 15 19:35:42 jupiter kernel: [ 6601.223160] [<c04c9459>] ? > _spin_unlock_irqrestore+0x5f/0x6c > May 15 19:35:42 jupiter kernel: [ 6601.223181] [<c04c7833>] schedule+0x12/0x33 > May 15 19:35:42 jupiter kernel: [ 6601.223235] [<f8a989b2>] > dvb_unregister_frontend+0x99/0xd3 [dvb_core] > May 15 19:35:42 jupiter kernel: [ 6601.223258] [<c01402db>] ? > autoremove_wake_function+0x0/0x33 > May 15 19:35:42 jupiter kernel: [ 6601.223290] [<f83f8b81>] > dvb_usb_adapter_frontend_exit+0x15/0x25 [dvb_usb] > May 15 19:35:42 jupiter kernel: [ 6601.223318] [<f83f82f8>] > dvb_usb_exit+0x2c/0x93 [dvb_usb] > May 15 19:35:42 jupiter kernel: [ 6601.223345] [<f83f8394>] > dvb_usb_device_exit+0x35/0x47 [dvb_usb] > May 15 19:35:42 jupiter kernel: [ 6601.223369] [<c03a2cdc>] > usb_unbind_interface+0x4d/0xc4 > May 15 19:35:42 jupiter kernel: [ 6601.223393] [<c0348252>] > __device_release_driver+0x5a/0x77 > May 15 19:35:42 jupiter kernel: [ 6601.223413] [<c034830c>] > device_release_driver+0x18/0x23 > May 15 19:35:42 jupiter kernel: [ 6601.223433] [<c0347adc>] > bus_remove_device+0x71/0x88 > May 15 19:35:42 jupiter kernel: [ 6601.223453] [<c034679a>] > device_del+0xf9/0x152 > May 15 19:35:42 jupiter kernel: [ 6601.223473] [<c03a092f>] > usb_disable_device+0x5c/0xba > May 15 19:35:42 jupiter kernel: [ 6601.223493] [<c039c9e9>] > usb_disconnect+0x73/0xdc > May 15 19:35:42 jupiter kernel: [ 6601.223564] [<c039d7a8>] > hub_thread+0x548/0xdf8 > May 15 19:35:42 jupiter kernel: [ 6601.223601] [<c014d639>] ? > trace_hardirqs_on_caller+0x103/0x124 > May 15 19:35:42 jupiter kernel: [ 6601.223632] [<c01402db>] ? > autoremove_wake_function+0x0/0x33 > May 15 19:35:42 jupiter kernel: [ 6601.223660] [<c039d260>] ? > hub_thread+0x0/0xdf8 > May 15 19:35:42 jupiter kernel: [ 6601.223685] [<c039d260>] ? > hub_thread+0x0/0xdf8 > May 15 19:35:42 jupiter kernel: [ 6601.223714] [<c013ffb6>] kthread+0x45/0x6b > May 15 19:35:42 jupiter kernel: [ 6601.223744] [<c013ff71>] ? kthread+0x0/0x6b > May 15 19:35:42 jupiter kernel: [ 6601.223777] [<c01037e7>] > kernel_thread_helper+0x7/0x10 > May 15 19:35:42 jupiter kernel: [ 6601.223796] INFO: lockdep is turned off. > Oh my, that wordwrapping is painful :( You're better off using attachments with bugzilla. Could be a USB bug, could be a DVB bug. I'd guess DVB. Both lists cc'ed for disposition, please. -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
