On 11/10/12 17:19, Alan Stern wrote: >> Maybe my hardware/chipset is just crap? > > I don't know, maybe. Maybe that's just a bad cable connection (this > includes the possibility of bad connections inside the PC case). Ouch. I can check a few things, like the USB card reader. It should be possible to correlate the ohci_hcd 0000:00:04.0 with a header? I just got the following error, with nothing connected (well, at least not the headset or camera). So maybe they're not directly responsible, except for putting more stress on the USB system. [ 6036.188360] ohci_hcd 0000:00:04.0: urb ffff88012567be00 path 4 ep1in 92120000 cc 9 --> status -121 [ 6221.192777] INFO: task scsi_eh_8:675 blocked for more than 120 seconds. [ 6221.192786] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 6221.192791] scsi_eh_8 D ffff88012fc92600 0 675 2 0x00000000 [ 6221.192802] ffff88012881d4b0 0000000000000046 ffff88012aeca790 0000000000000000 [ 6221.192813] 0000000000012600 ffff880128951fd8 ffff880128951fd8 ffff88012881d4b0 [ 6221.192821] 0000000000000000 7fffffffffffffff 7fffffffffffffff ffff8801279f7800 [ 6221.192829] Call Trace: [ 6221.192845] [<ffffffff8132e133>] ? schedule_timeout+0x1c/0xdb [ 6221.192882] [<ffffffffa013a251>] ? start_ed_unlink+0x13/0x54 [ohci_hcd] [ 6221.192898] [<ffffffffa013e065>] ? ohci_urb_dequeue+0x85/0x95 [ohci_hcd] [ 6221.192908] [<ffffffff8104f4f7>] ? should_resched+0x5/0x23 [ 6221.192916] [<ffffffff8132f012>] ? _cond_resched+0x6/0x1b [ 6221.192924] [<ffffffff8132f0c5>] ? wait_for_common+0x9e/0x117 [ 6221.192931] [<ffffffff810522fa>] ? try_to_wake_up+0x199/0x199 [ 6221.192942] [<ffffffffa0491849>] ? command_abort+0x6b/0x74 [usb_storage] [ 6221.192964] [<ffffffffa005c110>] ? scsi_error_handler+0x2d5/0x5c5 [scsi_mod] [ 6221.192983] [<ffffffffa005be3b>] ? scsi_eh_get_sense+0x172/0x172 [scsi_mod] [ 6221.193001] [<ffffffffa005be3b>] ? scsi_eh_get_sense+0x172/0x172 [scsi_mod] [ 6221.193008] [<ffffffff81045983>] ? kthread+0x67/0x6f [ 6221.193018] [<ffffffff813367f4>] ? kernel_thread_helper+0x4/0x10 [ 6221.193025] [<ffffffff8104591c>] ? kthread_freezable_should_stop+0x3c/0x3c [ 6221.193033] [<ffffffff813367f0>] ? gs_change+0xb/0xb [ 6221.193071] INFO: task udisks-daemon:3773 blocked for more than 120 seconds. [ 6221.193075] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 6221.193078] udisks-daemon D ffff88012fc12600 0 3773 3758 0x00000000 [ 6221.193087] ffff880128bacde0 0000000000000082 ffff88012954e8d0 ffffffff810547ec [ 6221.193095] 0000000000012600 ffff8801269f7fd8 ffff8801269f7fd8 ffff880128bacde0 [ 6221.193103] ffff88012fc12670 7fffffffffffffff 7fffffffffffffff ffff8801269f7b40 [ 6221.193110] Call Trace: [ 6221.193120] [<ffffffff810547ec>] ? wakeup_preempt_entity.isra.40+0x18/0x28 [ 6221.193128] [<ffffffff8132e133>] ? schedule_timeout+0x1c/0xdb [ 6221.193136] [<ffffffff81050360>] ? ttwu_do_wakeup+0x24/0xc8 [ 6221.193143] [<ffffffff8104f4f7>] ? should_resched+0x5/0x23 [ 6221.193150] [<ffffffff8132f012>] ? _cond_resched+0x6/0x1b [ 6221.193157] [<ffffffff8132f0c5>] ? wait_for_common+0x9e/0x117 [ 6221.193163] [<ffffffff810522fa>] ? try_to_wake_up+0x199/0x199 [ 6221.193172] [<ffffffff81042681>] ? flush_work+0x21/0x2a [ 6221.193178] [<ffffffff81040042>] ? hweight_long+0x6/0x6 [ 6221.193187] [<ffffffff8118fd9d>] ? disk_clear_events+0x82/0xd9 [ 6221.193200] [<ffffffff81115e64>] ? check_disk_change+0x1f/0x4f [ 6221.193214] [<ffffffffa008e9d5>] ? sd_open+0xe5/0x18e [sd_mod] [ 6221.193220] [<ffffffff81116b02>] ? __blkdev_get+0xf1/0x3cd [ 6221.193229] [<ffffffff811170b1>] ? blkdev_get+0x2d3/0x2d3 [ 6221.193235] [<ffffffff81116f69>] ? blkdev_get+0x18b/0x2d3 [ 6221.193242] [<ffffffff810fef9e>] ? __d_lookup_rcu+0x99/0xc0 [ 6221.193248] [<ffffffff811170b1>] ? blkdev_get+0x2d3/0x2d3 [ 6221.193255] [<ffffffff810ec843>] ? do_dentry_open+0x172/0x20e [ 6221.193261] [<ffffffff810ec909>] ? finish_open+0x2a/0x33 [ 6221.193268] [<ffffffff810f9074>] ? do_last+0x85b/0xa03 [ 6221.193275] [<ffffffff810f6d96>] ? __inode_permission+0x57/0x95 [ 6221.193283] [<ffffffff810f92dc>] ? path_openat+0xc0/0x33a [ 6221.193291] [<ffffffff810f97c8>] ? do_filp_open+0x2a/0x6e [ 6221.193299] [<ffffffff8110296d>] ? alloc_fd+0xda/0xec [ 6221.193306] [<ffffffff810ed2b2>] ? do_sys_open+0x5e/0xe2 [ 6221.193314] [<ffffffff813357a2>] ? system_call_fastpath+0x16/0x1b [ 6340.817581] INFO: task scsi_eh_8:675 blocked for more than 120 seconds. [ 6340.817590] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 6340.817596] scsi_eh_8 D ffff88012fc92600 0 675 2 0x00000000 [ 6340.817606] ffff88012881d4b0 0000000000000046 ffff88012aeca790 0000000000000000 [ 6340.817617] 0000000000012600 ffff880128951fd8 ffff880128951fd8 ffff88012881d4b0 [ 6340.817625] 0000000000000000 7fffffffffffffff 7fffffffffffffff ffff8801279f7800 [ 6340.817633] Call Trace: [ 6340.817649] [<ffffffff8132e133>] ? schedule_timeout+0x1c/0xdb [ 6340.817686] [<ffffffffa013a251>] ? start_ed_unlink+0x13/0x54 [ohci_hcd] [ 6340.817701] [<ffffffffa013e065>] ? ohci_urb_dequeue+0x85/0x95 [ohci_hcd] [ 6340.817711] [<ffffffff8104f4f7>] ? should_resched+0x5/0x23 [ 6340.817719] [<ffffffff8132f012>] ? _cond_resched+0x6/0x1b [ 6340.817726] [<ffffffff8132f0c5>] ? wait_for_common+0x9e/0x117 [ 6340.817734] [<ffffffff810522fa>] ? try_to_wake_up+0x199/0x199 [ 6340.817745] [<ffffffffa0491849>] ? command_abort+0x6b/0x74 [usb_storage] [ 6340.817766] [<ffffffffa005c110>] ? scsi_error_handler+0x2d5/0x5c5 [scsi_mod] [ 6340.817786] [<ffffffffa005be3b>] ? scsi_eh_get_sense+0x172/0x172 [scsi_mod] [ 6340.817804] [<ffffffffa005be3b>] ? scsi_eh_get_sense+0x172/0x172 [scsi_mod] [ 6340.817811] [<ffffffff81045983>] ? kthread+0x67/0x6f [ 6340.817820] [<ffffffff813367f4>] ? kernel_thread_helper+0x4/0x10 [ 6340.817828] [<ffffffff8104591c>] ? kthread_freezable_should_stop+0x3c/0x3c [ 6340.817836] [<ffffffff813367f0>] ? gs_change+0xb/0xb -- GCP -- 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
