> hi Marek: > > 2012/1/14 Marek Vasut <marek.vasut@xxxxxxxxx>: > >> Dear all: > >> I use kernel 2.6.35.13 and cpu for mips > > > > Does this happen with anything less ancient ? > > Sorry for my broken English, your "less ancient" mean? ALWAYS keep the MLs in CC. Less ancient == less old. Don't you have a dictionary? > > Thanks for your reply. > > > M > > > >> When I plug in/out usb stick for several times I got following warning > >> messages as I append at the end of mail. > >> > >> is it possible correlate to below issue > >> http://thread.gmane.org/gmane.linux.kernel/1177383/focus=69879 > >> Thanks for your help, > >> > >> > >> INFO: task kblockd/0:10 blocked for more than 120 seconds. > >> "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this > >> message. kblockd/0 D [87016a78] 802d1e48 0 10 0x00100000 > >> 2 11 9 (kernel thread) > >> Stack : 00000001 80107148 8562ed80 800e9098 00000001 00000001 7fffffff > >> 00000000 00000000 7fffffff 87053d38 ffffffff 87053d38 87053d28 872ff00c > >> 802d1e48 00000001 00000009 00000102 80071c80 00005965 0056addf 00005965 > >> 00000001 00000000 00000000 7fffffff 80020c64 00000000 00000002 00000000 > >> 00000000 7fffffff 802d1ca8 00000000 80024538 00000004 0000000a 00000001 > >> 87016a78 ... > >> Call Trace: > >> [<802d1764>] schedule+0x648/0x70c from[<802d1e48>] > >> schedule_timeout+0x30/0x324 [<802d1e48>] schedule_timeout+0x30/0x324 > >> from[<802d1ca8>] > >> wait_for_common+0xf8/0x1c0 > >> [<802d1ca8>] wait_for_common+0xf8/0x1c0 from[<80044400>] > >> __cancel_work_timer+0x188/0x210 > >> [<80044400>] __cancel_work_timer+0x188/0x210 from[<801a48c4>] > >> blk_cleanup_queue+0x18/0x6c > >> [<801a48c4>] blk_cleanup_queue+0x18/0x6c from[<802098f4>] > >> scsi_device_dev_release_usercontext+0x174/0x1e4 > >> [<802098f4>] scsi_device_dev_release_usercontext+0x174/0x1e4 > >> from[<80043aa8>] execute_in_process_context+0x30/0x5c > >> [<80043aa8>] execute_in_process_context+0x30/0x5c from[<801eeda8>] > >> device_release+0x54/0x90 > >> [<801eeda8>] device_release+0x54/0x90 from[<801b0180>] > >> kobject_release+0x70/0xa8 [<801b0180>] kobject_release+0x70/0xa8 > >> from[<801b17bc>] kref_put+0x80/0x98 [<801b17bc>] kref_put+0x80/0x98 > >> from[<80203c04>] scsi_request_fn+0x51c/0x61c [<80203c04>] > >> scsi_request_fn+0x51c/0x61c from[<801a482c>] > >> generic_unplug_device+0x38/0x7c > >> [<801a482c>] generic_unplug_device+0x38/0x7c from[<80043e90>] > >> worker_thread+0x1ec/0x2d4 > >> [<80043e90>] worker_thread+0x1ec/0x2d4 from[<800482c4>] > >> kthread+0x7c/0x84 [<800482c4>] kthread+0x7c/0x84 from[<80007818>] > >> kernel_thread_helper+0x10/0x18 > >> > >> ------------------------------------------------------------------------ > >> --- ---------- hub 1-0:1.0: state 7 ports 1 chg 0000 evt 0002 > >> hub 1-0:1.0: port 1, status 0000, change 0001, 12 Mb/s > >> usb 1-1: USB disconnect, address 35 > >> usb 1-1: unregistering device > >> usb 1-1: unregistering interface 1-1:1.0 > >> usb 1-1: usb_disable_device nuking all URBs > >> hub 1-0:1.0: debounce: port 1: total 100ms stable 100ms status 0x0 > >> hub 1-0:1.0: state 7 ports 1 chg 0000 evt 0002 > >> ehci-ehci ehci-ehci.0: GetStatus port 1 status 000803 sig=j CSC CONNECT > >> hub 1-0:1.0: port 1, status 0401, change 0001, 480 Mb/s > >> hub 1-0:1.0: debounce: port 1: total 100ms stable 100ms status 0x401 > >> ehci-ehci ehci-ehci.0: port 1 high speed > >> ehci-ehci ehci-ehci.0: GetStatus port 1 status 00000d sig=se0 PEC PE > >> CONNECT usb 1-1: new high speed USB device using ehci-ehci and address > >> 36 ehci-ehci ehci-ehci.0: port 1 high speed > >> ehci-ehci ehci-ehci.0: GetStatus port 1 status 00000d sig=se0 PEC PE > >> CONNECT usb 1-1: default language 0x0409 > >> usb 1-1: udev 36, busnum 1, minor = 35 > >> .... > >> .....
