PCI master abort with USB3.0 card
Pratyush Anand
pratyush.linux at gmail.com
Wed Sep 1 03:38:07 EDT 2010
Hello Amit,
We are using USB3.0 controller chip from NEC (D720200F1).
Arm processor is cortex-A9.
You can see the pcie implementation for my platform in this patch
http://lists.infradead.org/pipermail/linux-arm-kernel/2010-August/024364.html
Regards
Pratysuh
> Hi,
> Can you please share the USB3.0 controller chip or the PCIe card
manufacturer's name? Also, which ARM processor are you using?
> Thanks,
> - Amit
>
> On Tue, 31 Aug 2010 12:47:26 +0530 (IST) Pratyush Anand <
anand_pratyush at xxxxxxxxxxx> wrote:
>
>> Hello All,
>> I am using a PCIE base usb3.0 card on ARM based platform. Linux
>> version is 2.6.32.
>> Support of PCIE for this platform has been added by me.
>> This usb3.0 card works well , if I connect it to host intel
>> PC(fedora) having same linux kernel version.
>> But , with my board I have some issue.
>> I am able to detect the card.
>> If I connect a mass storage device to the card , it is also detected.
>> If I copy a small file from mass storage to root file system , it is
>> copied well.
>> But If I copy a big file(say 1MB) and do sync or umount operation , it
>> fails. If I try to see pci configuration register of this card then I
>> found that "Master abort received " bit is set.
>> Can anyone suggest a pointer to look into it.
>> Regards>
>> Pratyush
>> At the console i see following error:
>>
>> ------------------------------------------
>> root at xxxxxxxxxxxx:~# mount /dev/sda1 /mnt/ root at xxxxxxxxxxxx:~# cp 1MB
>> /mnt/ root at xxxxxxxxxxxx:~# umount /mnt/
>> INFO: task scsi_eh_0:482 blocked for more than 120 seconds.
>> "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this
>> message. scsi_eh_0 D c02c0708 0 482 2 0x00000000
>> Backtrace:
>> [<c02c0468>] (schedule+0x0/0x2dc) from [<c02c0954>]
>> (schedule_timeout+0x20/0x1b8)
>> [<c02c0934>] (schedule_timeout+0x0/0x1b8) from [<c02c033c>]
>> (wait_for_common+0xe0/0x178)
>> r7:7fffffff r6:cf9dc3ac r5:cf892080 r4:cf9dc3b0 [<c02c025c>]
>> (wait_for_common+0x0/0x178) from [<c02c0464>]
>> (wait_for_completion+0x18/0x1c)
>> [<c02c044c>] (wait_for_completion+0x0/0x1c) from [<c020bcfc>]
>> (command_abort+0x94/0x9c)
>> [<c020bc68>] (command_abort+0x0/0x9c) from [<c019f8fc>]
>> (__scsi_try_to_abort_cmd+0x2c/0x30)
>> r7:cf9d2000 r6:cf9d3f84 r5:cf9dc000 r4:cfacf320 [<c019f8d0>]
>> (__scsi_try_to_abort_cmd+0x0/0x30) from [<c01a12f0>]
>> (scsi_error_handler+0x12c/0x358)
>> [<c01a11c4>] (scsi_error_handler+0x0/0x358) from [<c0051150>]
>> (kthread+0x88/0x90)
>> r7:c01a11c4 r6:cf9dc000 r5:cf867bb8 r4:cf9d3fbc [<c00510c8>]
>> (kthread+0x0/0x90) from [<c003fb30>] (do_exit+0x0/0x5c4) r7:00000000
>> r6:00000000 r5:00000000 r4:00000000
>> INFO: task usb-storage:483 blocked for more than 120 seconds.
>> "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this
>> message. usb-storage D c02c0708 0 483 2 0x00000000
>> Backtrace:
>> [<c02c0468>] (schedule+0x0/0x2dc) from [<c02c0954>]
>> (schedule_timeout+0x20/0x1b8)
>> [<c02c0934>] (schedule_timeout+0x0/0x1b8) from [<c02c033c>]
>> (wait_for_common+0xe0/0x178)
>> r7:7fffffff r6:cf9dc364 r5:cf892700 r4:cf9dc368 [<c02c025c>]
>> (wait_for_common+0x0/0x178) from [<c02c0464>]
>> (wait_for_completion+0x18/0x1c)
>> [<c02c044c>] (wait_for_completion+0x0/0x1c) from [<c01f1c40>]
>> (usb_sg_wait+0x148/0x154)
>> [<c01f1af8>] (usb_sg_wait+0x0/0x154) from [<c020c748>]
>> (usb_stor_bulk_transfer_sglist+0xbc/0x110)
>> [<c020c68c>] (usb_stor_bulk_transfer_sglist+0x0/0x110) from
>> [<c020c7cc>] (usb_stor_bulk_srb+0x30/0x48) [<c020c79c>]
>> (usb_stor_bulk_srb+0x0/0x48) from [<c020ccfc>]
>> (usb_stor_Bulk_transport+0x110/0x2ac)
>> r4:ffc1300f
>> [<c020cbec>] (usb_stor_Bulk_transport+0x0/0x2ac) from [<c020cec0>]
>> (usb_stor_invoke_transport+0x28/0x314)
>> [<c020ce98>] (usb_stor_invoke_transport+0x0/0x314) from [<c020becc>]
>> (usb_stor_transparent_scsi_command+0x10/0x14)
>> r8:00000000 r7:c020de84 r6:cf9dc000 r5:cf9dc2bc r4:cf9f1fbc
>> [<c020bebc>] (usb_stor_transparent_scsi_command+0x0/0x14) from
>> [<c020dfd8>] (usb_stor_control_thread+0x154/0x21c)
>> [<c020de84>] (usb_stor_control_thread+0x0/0x21c) from [<c0051150>]
>> (kthread+0x88/0x90)
>> r6:cf9dc2bc r5:cf867c10 r4:cf9f1fbc
>> [<c00510c8>] (kthread+0x0/0x90) from [<c003fb30>] (do_exit+0x0/0x5c4)
>> r7:00000000 r6:00000000 r5:00000000 r4:00000000
>> INFO: task umount:1413 blocked for more than 120 seconds.
>> "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this
>> message. umount D c02c0708 0 1413 1407 0x00000000
>> Backtrace:
>> [<c02c0468>] (schedule+0x0/0x2dc) from [<c00afb5c>]
>> (bdi_sched_wait+0x10/0x18) [<c00afb4c>] (bdi_sched_wait+0x0/0x18) from
>> [<c02c0d0c>] (__wait_on_bit+0x64/0xac) [<c02c0ca8>]
>> (__wait_on_bit+0x0/0xac) from [<c02c0dd4>]
>> (out_of_line_wait_on_bit+0x80/0x8c)
>> [<c02c0d54>] (out_of_line_wait_on_bit+0x0/0x8c) from [<c00afbf4>]
>> (sync_inodes_sb+0x90/0x15c)
>> [<c00afb64>] (sync_inodes_sb+0x0/0x15c) from [<c00b3c78>]
>> (__sync_filesystem+0x38/0x64)
>> r8:00000000 r7:cfb9d580 r6:c02c8724 r5:00000001 r4:cfac7c00
>> [<c00b3c40>] (__sync_filesystem+0x0/0x64) from [<c00b3e88>]
>> (sync_filesystem+0x54/0x5c)
>> r5:cfad2000 r4:cfac7c00
>> [<c00b3e34>] (sync_filesystem+0x0/0x5c) from [<c0095ea8>]
>> (generic_shutdown_super+0x38/0x118)
>> r5:cfad2000 r4:cfac7c00
>> [<c0095e70>] (generic_shutdown_super+0x0/0x118) from [<c0095fa8>]
>> (kill_block_super+0x20/0x38)
>> r7:cfb9d580 r6:cfb9d580 r5:00000003 r4:cf50a000 [<c0095f88>]
>> (kill_block_super+0x0/0x38) from [<c00962d8>]
>> (deactivate_super+0x50/0x68)
>> r5:c03a9b48 r4:cfac7c00
>> [<c0096288>] (deactivate_super+0x0/0x68) from [<c00aa51c>]
>> (mntput_no_expire+0x70/0xb0)
>> r5:cfb9d580 r4:cfac7c00
>> [<c00aa4ac>] (mntput_no_expire+0x0/0xb0) from [<c00aaaf4>]
>> (sys_umount+0x2c0/0x2f8)
>> r5:cfb9d598 r4:cfb9d578
>> [<c00aa834>] (sys_umount+0x0/0x2f8) from [<c0028e40>]
>> (ret_fast_syscall+0x0/0x2c)
>> INFO: task flush-8:0:1414 blocked for more than 120 seconds.
>> "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this
>> message. flush-8:0 D c02c0708 0 1414 2 0x00000000
>> Backtrace:
>> [<c02c0468>] (schedule+0x0/0x2dc) from [<c02c0888>]
>> (io_schedule+0x44/0x70) [<c02c0844>] (io_schedule+0x0/0x70) from
>> [<c00b6458>] (sync_buffer+0x4c/0x54) r5:c0604248 r4:cfb07d9c
>> [<c00b640c>] (sync_buffer+0x0/0x54) from [<c02c0bd4>]
>> (__wait_on_bit_lock+0x64/0xac)
>> [<c02c0b70>] (__wait_on_bit_lock+0x0/0xac) from [<c02c0c9c>]
>> (out_of_line_wait_on_bit_lock+0x80/0x8c)
>> [<c02c0c1c>] (out_of_line_wait_on_bit_lock+0x0/0x8c) from [<c00b6710>]
>> (__lock_buffer+0x3c/0x44) [<c00b66d4>] (__lock_buffer+0x0/0x44) from
>> [<c00b96d0>]
>> (sync_dirty_buffer+0x60/0x144)
>> [<c00b9670>] (sync_dirty_buffer+0x0/0x144) from [<c0105f48>]
>> (fat_write_inode+0x1e4/0x218)
>> r5:00000000 r4:ce882160
>> [<c0105d64>] (fat_write_inode+0x0/0x218) from [<c00af820>]
>> (writeback_single_inode+0x10c/0x21c)
>> [<c00af714>] (writeback_single_inode+0x0/0x21c) from [<c00b0168>]
>> (writeback_inodes_wb+0x390/0x43c)
>> [<c00afdd8>] (writeback_inodes_wb+0x0/0x43c) from [<c00b034c>]
>> (wb_writeback+0x138/0x1b8)
>> [<c00b0214>] (wb_writeback+0x0/0x1b8) from [<c00b0530>]
>> (wb_do_writeback+0x68/0x1a0)
>> [<c00b04c8>] (wb_do_writeback+0x0/0x1a0) from [<c00b0698>]
>> (bdi_writeback_task+0x30/0xc0)
>> [<c00b0668>] (bdi_writeback_task+0x0/0xc0) from [<c007b414>]
>> (bdi_start_fn+0x78/0xd8)
>> r7:c007b39c r6:cf99daa8 r5:cf99dad8 r4:cf99da38 [<c007b39c>]
>> (bdi_start_fn+0x0/0xd8) from [<c0051150>]
>> (kthread+0x88/0x90) r7:c007b39c r6:cf99daa8 r5:cf897ef8 r4:cfb07fbc
>> [<c00510c8>] (kthread+0x0/0x90) from [<c003fb30>] (do_exit+0x0/0x5c4)
>> r7:00000000 r6:00000000 r5:00000000 r4:00000000
>> INFO: task scsi_eh_0:482 blocked for more than 120 seconds.
>> "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this
>> message. scsi_eh_0 D c02c0708 0 482 2 0x00000000
>> Backtrace:
>> [<c02c0468>] (schedule+0x0/0x2dc) from [<c02c0954>]
>> (schedule_timeout+0x20/0x1b8)
>> [<c02c0934>] (schedule_timeout+0x0/0x1b8) from [<c02c033c>]
>> (wait_for_common+0xe0/0x178)
>> r7:7fffffff r6:cf9dc3ac r5:cf892080 r4:cf9dc3b0 [<c02c025c>]
>> (wait_for_common+0x0/0x178) from [<c02c0464>]
>> (wait_for_completion+0x18/0x1c)
>> [<c02c044c>] (wait_for_completion+0x0/0x1c) from [<c020bcfc>]
>> (command_abort+0x94/0x9c)
>> [<c020bc68>] (command_abort+0x0/0x9c) from [<c019f8fc>]
>> (__scsi_try_to_abort_cmd+0x2c/0x30)
>> r7:cf9d2000 r6:cf9d3f84 r5:cf9dc000 r4:cfacf320 [<c019f8d0>]
>> (__scsi_try_to_abort_cmd+0x0/0x30) from [<c01a12f0>]
>> (scsi_error_handler+0x12c/0x358)
>> [<c01a11c4>] (scsi_error_handler+0x0/0x358) from [<c0051150>]
>> (kthread+0x88/0x90)
>> r7:c01a11c4 r6:cf9dc000 r5:cf867bb8 r4:cf9d3fbc [<c00510c8>]
>> (kthread+0x0/0x90) from [<c003fb30>] (do_exit+0x0/0x5c4) r7:00000000
>> r6:00000000 r5:00000000 r4:00000000
>> INFO: task usb-storage:483 blocked for more than 120 seconds.
>> "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this
>> message. usb-storage D c02c0708 0 483 2 0x00000000
>> Backtrace:
>> [<c02c0468>] (schedule+0x0/0x2dc) from [<c02c0954>]
>> (schedule_timeout+0x20/0x1b8)
>> [<c02c0934>] (schedule_timeout+0x0/0x1b8) from [<c02c033c>]
>> (wait_for_common+0xe0/0x178)
>> r7:7fffffff r6:cf9dc364 r5:cf892700 r4:cf9dc368 [<c02c025c>]
>> (wait_for_common+0x0/0x178) from [<c02c0464>]
>> (wait_for_completion+0x18/0x1c)
>> [<c02c044c>] (wait_for_completion+0x0/0x1c) from [<c01f1c40>]
>> (usb_sg_wait+0x148/0x154)
>> [<c01f1af8>] (usb_sg_wait+0x0/0x154) from [<c020c748>]
>> (usb_stor_bulk_transfer_sglist+0xbc/0x110)
>> [<c020c68c>] (usb_stor_bulk_transfer_sglist+0x0/0x110) from
>> [<c020c7cc>] (usb_stor_bulk_srb+0x30/0x48) [<c020c79c>]
>> (usb_stor_bulk_srb+0x0/0x48) from [<c020ccfc>]
>> (usb_stor_Bulk_transport+0x110/0x2ac)
>> r4:ffc1300f
>> [<c020cbec>] (usb_stor_Bulk_transport+0x0/0x2ac) from [<c020cec0>]
>> (usb_stor_invoke_transport+0x28/0x314)
>> [<c020ce98>] (usb_stor_invoke_transport+0x0/0x314) from [<c020becc>]
>> (usb_stor_transparent_scsi_command+0x10/0x14)
>> r8:00000000 r7:c020de84 r6:cf9dc000 r5:cf9dc2bc r4:cf9f1fbc
>> [<c020bebc>] (usb_stor_transparent_scsi_command+0x0/0x14) from
>> [<c020dfd8>] (usb_stor_control_thread+0x154/0x21c)
>> [<c020de84>] (usb_stor_control_thread+0x0/0x21c) from [<c0051150>]
>> (kthread+0x88/0x90)
>> r6:cf9dc2bc r5:cf867c10 r4:cf9f1fbc
>> [<c00510c8>] (kthread+0x0/0x90) from [<c003fb30>] (do_exit+0x0/0x5c4)
>> r7:00000000 r6:00000000 r5:00000000 r4:00000000
>> INFO: task umount:1413 blocked for more than 120 seconds.
>> "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this
>> message. umount D c02c0708 0 1413 1407 0x00000000
>> Backtrace:
>> [<c02c0468>] (schedule+0x0/0x2dc) from [<c00afb5c>]
>> (bdi_sched_wait+0x10/0x18) [<c00afb4c>] (bdi_sched_wait+0x0/0x18) from
>> [<c02c0d0c>] (__wait_on_bit+0x64/0xac) [<c02c0ca8>]
>> (__wait_on_bit+0x0/0xac) from [<c02c0dd4>]
>> (out_of_line_wait_on_bit+0x80/0x8c)
>> [<c02c0d54>] (out_of_line_wait_on_bit+0x0/0x8c) from [<c00afbf4>]
>> (sync_inodes_sb+0x90/0x15c)
>> [<c00afb64>] (sync_inodes_sb+0x0/0x15c) from [<c00b3c78>]
>> (__sync_filesystem+0x38/0x64)
>> r8:00000000 r7:cfb9d580 r6:c02c8724 r5:00000001 r4:cfac7c00
>> [<c00b3c40>] (__sync_filesystem+0x0/0x64) from [<c00b3e88>]
>> (sync_filesystem+0x54/0x5c)
>> r5:cfad2000 r4:cfac7c00
>> [<c00b3e34>] (sync_filesystem+0x0/0x5c) from [<c0095ea8>]
>> (generic_shutdown_super+0x38/0x118)
>> r5:cfad2000 r4:cfac7c00
>> [<c0095e70>] (generic_shutdown_super+0x0/0x118) from [<c0095fa8>]
>> (kill_block_super+0x20/0x38)
>> r7:cfb9d580 r6:cfb9d580 r5:00000003 r4:cf50a000 [<c0095f88>]
>> (kill_block_super+0x0/0x38) from [<c00962d8>]
>> (deactivate_super+0x50/0x68)
>> r5:c03a9b48 r4:cfac7c00
>> [<c0096288>] (deactivate_super+0x0/0x68) from [<c00aa51c>]
>> (mntput_no_expire+0x70/0xb0)
>> r5:cfb9d580 r4:cfac7c00
>> [<c00aa4ac>] (mntput_no_expire+0x0/0xb0) from [<c00aaaf4>]
>> (sys_umount+0x2c0/0x2f8)
>> r5:cfb9d598 r4:cfb9d578
>> [<c00aa834>] (sys_umount+0x0/0x2f8) from [<c0028e40>]
>> (ret_fast_syscall+0x0/0x2c)
>> INFO: task flush-8:0:1414 blocked for more than 120 seconds.
>> "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this
>> message. flush-8:0 D c02c0708 0 1414 2 0x00000000
>> Backtrace:
>> [<c02c0468>] (schedule+0x0/0x2dc) from [<c02c0888>]
>> (io_schedule+0x44/0x70) [<c02c0844>] (io_schedule+0x0/0x70) from
>> [<c00b6458>] (sync_buffer+0x4c/0x54) r5:c0604248 r4:cfb07d9c
>> [<c00b640c>] (sync_buffer+0x0/0x54) from [<c02c0bd4>]
>> (__wait_on_bit_lock+0x64/0xac)
>> [<c02c0b70>] (__wait_on_bit_lock+0x0/0xac) from [<c02c0c9c>]
>> (out_of_line_wait_on_bit_lock+0x80/0x8c)
>> [<c02c0c1c>] (out_of_line_wait_on_bit_lock+0x0/0x8c) from [<c00b6710>]
>> (__lock_buffer+0x3c/0x44) [<c00b66d4>] (__lock_buffer+0x0/0x44) from
>> [<c00b96d0>]
>> (sync_dirty_buffer+0x60/0x144)
>> [<c00b9670>] (sync_dirty_buffer+0x0/0x144) from [<c0105f48>]
>> (fat_write_inode+0x1e4/0x218)
>> r5:00000000 r4:ce882160
>> [<c0105d64>] (fat_write_inode+0x0/0x218) from [<c00af820>]
>> (writeback_single_inode+0x10c/0x21c)
>> [<c00af714>] (writeback_single_inode+0x0/0x21c) from [<c00b0168>]
>> (writeback_inodes_wb+0x390/0x43c)
>> [<c00afdd8>] (writeback_inodes_wb+0x0/0x43c) from [<c00b034c>]
>> (wb_writeback+0x138/0x1b8)
>> [<c00b0214>] (wb_writeback+0x0/0x1b8) from [<c00b0530>]
>> (wb_do_writeback+0x68/0x1a0)
>> [<c00b04c8>] (wb_do_writeback+0x0/0x1a0) from [<c00b0698>]
>> (bdi_writeback_task+0x30/0xc0)
>> [<c00b0668>] (bdi_writeback_task+0x0/0xc0) from [<c007b414>]
>> (bdi_start_fn+0x78/0xd8)
>> r7:c007b39c r6:cf99daa8 r5:cf99dad8 r4:cf99da38 [<c007b39c>]
>> (bdi_start_fn+0x0/0xd8) from [<c0051150>]
>> (kthread+0x88/0x90) r7:c007b39c r6:cf99daa8 r5:cf897ef8 r4:cfb07fbc
>> [<c00510c8>] (kthread+0x0/0x90) from [<c003fb30>] (do_exit+0x0/0x5c4)
>> r7:00000000 r6:00000000 r5:00000000 r4:00000000
>> INFO: task scsi_eh_0:482 blocked for more than 120 seconds.
>> "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this
>> message. scsi_eh_0 D c02c0708 0 482 2 0x00000000
>> Backtrace:
>> [<c02c0468>] (schedule+0x0/0x2dc) from [<c02c0954>]
>> (schedule_timeout+0x20/0x1b8)
>> [<c02c0934>] (schedule_timeout+0x0/0x1b8) from [<c02c033c>]
>> (wait_for_common+0xe0/0x178)
>> r7:7fffffff r6:cf9dc3ac r5:cf892080 r4:cf9dc3b0 [<c02c025c>]
>> (wait_for_common+0x0/0x178) from [<c02c0464>]
>> (wait_for_completion+0x18/0x1c)
>> [<c02c044c>] (wait_for_completion+0x0/0x1c) from [<c020bcfc>]
>> (command_abort+0x94/0x9c)
>> [<c020bc68>] (command_abort+0x0/0x9c) from [<c019f8fc>]
>> (__scsi_try_to_abort_cmd+0x2c/0x30)
>> r7:cf9d2000 r6:cf9d3f84 r5:cf9dc000 r4:cfacf320 [<c019f8d0>]
>> (__scsi_try_to_abort_cmd+0x0/0x30) from [<c01a12f0>]
>> (scsi_error_handler+0x12c/0x358)
>> [<c01a11c4>] (scsi_error_handler+0x0/0x358) from [<c0051150>]
>> (kthread+0x88/0x90)
>> r7:c01a11c4 r6:cf9dc000 r5:cf867bb8 r4:cf9d3fbc [<c00510c8>]
>> (kthread+0x0/0x90) from [<c003fb30>] (do_exit+0x0/0x5c4) r7:00000000
>> r6:00000000 r5:00000000 r4:00000000
>> INFO: task usb-storage:483 blocked for more than 120 seconds.
>> "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this
>> message. usb-storage D c02c0708 0 483 2 0x00000000
>> Backtrace:
>> [<c02c0468>] (schedule+0x0/0x2dc) from [<c02c0954>]
>> (schedule_timeout+0x20/0x1b8)
>> [<c02c0934>] (schedule_timeout+0x0/0x1b8) from [<c02c033c>]
>> (wait_for_common+0xe0/0x178)
>> r7:7fffffff r6:cf9dc364 r5:cf892700 r4:cf9dc368 [<c02c025c>]
>> (wait_for_common+0x0/0x178) from [<c02c0464>]
>> (wait_for_completion+0x18/0x1c)
>> [<c02c044c>] (wait_for_completion+0x0/0x1c) from [<c01f1c40>]
>> (usb_sg_wait+0x148/0x154)
>> [<c01f1af8>] (usb_sg_wait+0x0/0x154) from [<c020c748>]
>> (usb_stor_bulk_transfer_sglist+0xbc/0x110)
>> [<c020c68c>] (usb_stor_bulk_transfer_sglist+0x0/0x110) from
>> [<c020c7cc>] (usb_stor_bulk_srb+0x30/0x48) [<c020c79c>]
>> (usb_stor_bulk_srb+0x0/0x48) from [<c020ccfc>]
>> (usb_stor_Bulk_transport+0x110/0x2ac)
>> r4:ffc1300f
>> [<c020cbec>] (usb_stor_Bulk_transport+0x0/0x2ac) from [<c020cec0>]
>> (usb_stor_invoke_transport+0x28/0x314)
>> [<c020ce98>] (usb_stor_invoke_transport+0x0/0x314) from [<c020becc>]
>> (usb_stor_transparent_scsi_command+0x10/0x14)
>> r8:00000000 r7:c020de84 r6:cf9dc000 r5:cf9dc2bc r4:cf9f1fbc
>> [<c020bebc>] (usb_stor_transparent_scsi_command+0x0/0x14) from
>> [<c020dfd8>] (usb_stor_control_thread+0x154/0x21c)
>> [<c020de84>] (usb_stor_control_thread+0x0/0x21c) from [<c0051150>]
>> (kthread+0x88/0x90)
>> r6:cf9dc2bc r5:cf867c10 r4:cf9f1fbc
>> [<c00510c8>] (kthread+0x0/0x90) from [<c003fb30>] (do_exit+0x0/0x5c4)
>> r7:00000000 r6:00000000 r5:00000000 r4:00000000
>> --------------------------------
>>
>>
>>
>>
>> _______________________________________________
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>> linux-arm at xxxxxxxxxxxxxxxxxxx
>> http://lists.infradead.org/mailman/listinfo/linux-arm
>>
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