* Fwd: Kernel coredump about kblockd deadlock [not found] <CANudz+um5XG2Qua6a1O7ENnBeYcfiG5mOyyA6-=ctccXMYEFhg@mail.gmail.com> @ 2012-01-15 6:59 ` loody 2012-01-15 14:45 ` loody 0 siblings, 1 reply; 4+ messages in thread From: loody @ 2012-01-15 6:59 UTC (permalink / raw) To: linux-scsi Dear all: I use kernel 2.6.35.13 and cpu for mips 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 .... ..... -- Regards, -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: Kernel coredump about kblockd deadlock 2012-01-15 6:59 ` Fwd: Kernel coredump about kblockd deadlock loody @ 2012-01-15 14:45 ` loody 2012-01-16 11:03 ` Jun'ichi Nomura 0 siblings, 1 reply; 4+ messages in thread From: loody @ 2012-01-15 14:45 UTC (permalink / raw) To: linux-scsi, LKML hi all: 2012/1/15 loody <miloody@gmail.com>: > Dear all: > I use kernel 2.6.35.13 and cpu for mips > 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 I want to reproduce the issue of the thread above in my platform. But I have no idea about: 1 dm-multipath 2. dm-round-robin are they additional module I need to download or it already include kernel source? if the later, which config I shout select? Appreciate 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 -- Regards, ^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: Kernel coredump about kblockd deadlock 2012-01-15 14:45 ` loody @ 2012-01-16 11:03 ` Jun'ichi Nomura 2012-02-01 6:44 ` loody 0 siblings, 1 reply; 4+ messages in thread From: Jun'ichi Nomura @ 2012-01-16 11:03 UTC (permalink / raw) To: loody; +Cc: linux-scsi, LKML Hi, On 01/15/12 23:45, loody wrote: > hi all: > 2012/1/15 loody <miloody@gmail.com>: >> Dear all: >> I use kernel 2.6.35.13 and cpu for mips >> 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 > I want to reproduce the issue of the thread above in my platform. > But I have no idea about: > 1 dm-multipath > 2. dm-round-robin > > are they additional module I need to download or it already include > kernel source? > if the later, which config I shout select? They are in kernel source (in drivers/md). You have to select CONFIG_BLK_DEV_DM and CONFIG_DM_MULTIPATH to enable them. To try reproducer in the thread, you also need "dmsetup" command, which is part of device-mapper utility. > Appreciate 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 -- Jun'ichi Nomura, NEC Corporation ^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: Kernel coredump about kblockd deadlock 2012-01-16 11:03 ` Jun'ichi Nomura @ 2012-02-01 6:44 ` loody 0 siblings, 0 replies; 4+ messages in thread From: loody @ 2012-02-01 6:44 UTC (permalink / raw) To: Jun'ichi Nomura; +Cc: linux-scsi, LKML hi 2012/1/16 Jun'ichi Nomura <j-nomura@ce.jp.nec.com>: > Hi, > > On 01/15/12 23:45, loody wrote: >> hi all: >> 2012/1/15 loody <miloody@gmail.com>: >>> Dear all: >>> I use kernel 2.6.35.13 and cpu for mips >>> 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 >> I want to reproduce the issue of the thread above in my platform. >> But I have no idea about: >> 1 dm-multipath >> 2. dm-round-robin >> >> are they additional module I need to download or it already include >> kernel source? >> if the later, which config I shout select? > > They are in kernel source (in drivers/md). > You have to select CONFIG_BLK_DEV_DM and CONFIG_DM_MULTIPATH > to enable them. > > To try reproducer in the thread, you also need "dmsetup" > command, which is part of device-mapper utility. > > >> Appreciate 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 > > -- > Jun'ichi Nomura, NEC Corporation Sorry for late expressing my appreciation. I didn't see your mail until now. -- Regards, ^ permalink raw reply [flat|nested] 4+ messages in thread
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[not found] <CANudz+um5XG2Qua6a1O7ENnBeYcfiG5mOyyA6-=ctccXMYEFhg@mail.gmail.com>
2012-01-15 6:59 ` Fwd: Kernel coredump about kblockd deadlock loody
2012-01-15 14:45 ` loody
2012-01-16 11:03 ` Jun'ichi Nomura
2012-02-01 6:44 ` loody
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