On Sun, 25 Oct 2009 11:02:25 GMT bugzilla-daemon@xxxxxxxxxxxxxxxxxxx wrote: > http://bugzilla.kernel.org/show_bug.cgi?id=14463 > > Summary: usb thumbdrive forgotten to umount resulting in error > upon subsequent physical plugging in. > Product: IO/Storage > Version: 2.5 > Kernel Version: 2.6.32-rc4 > Platform: All > OS/Version: Linux > Tree: Mainline > Status: NEW > Severity: normal > Priority: P1 > Component: Other > AssignedTo: io_other@xxxxxxxxxxxxxxxxxxxx > ReportedBy: htmldeveloper@xxxxxxxxx > Regression: No > > > I *think* it is because I did not umount my filesystem before I plugged out my > USB thumbdrive, and after plugging out, i check the filesystem is still > "mounted", so I plugged in back the device and umount it. > > But the error message is that the device does not exists anymore, even just > before that "df" clearly showed it is still mounted. > > The dmesg output is as follows (the output is a result of first plugging in, > and subsequent plugging out and in repeated a few times): > > [10858.010317] usb-storage: waiting for device to settle before scanning > [10863.011224] scsi 7:0:0:0: Direct-Access Multi Flash Reader 1.00 > PQ: 0 ANSI: 0 > [10863.015666] sd 7:0:0:0: Attached scsi generic sg2 type 0 > [10863.499628] sd 7:0:0:0: [sdc] 3842048 512-byte logical blocks: (1.96 GB/1.83 > GiB) > [10863.502245] sd 7:0:0:0: [sdc] Write Protect is off > [10863.502250] sd 7:0:0:0: [sdc] Mode Sense: 03 00 00 00 > [10863.502254] sd 7:0:0:0: [sdc] Assuming drive cache: write through > [10863.502366] usb-storage: device scan complete > [10863.511618] sd 7:0:0:0: [sdc] Assuming drive cache: write through > [10863.511639] sdc: sdc1 > [10863.524625] sd 7:0:0:0: [sdc] Assuming drive cache: write through > [10863.524634] sd 7:0:0:0: [sdc] Attached SCSI removable disk > [10878.554662] usb 1-1: USB disconnect, address 3 > [10895.363158] usb 1-1: new high speed USB device using ehci_hcd and address 4 > [10895.480005] usb 1-1: configuration #1 chosen from 1 choice > [10895.482437] scsi8 : SCSI emulation for USB Mass Storage devices > [10895.484772] usb-storage: device found at 4 > [10895.484774] usb-storage: waiting for device to settle before scanning > [10900.485308] scsi 8:0:0:0: Direct-Access Multi Flash Reader 1.00 > PQ: 0 ANSI: 0 > [10900.489504] sd 8:0:0:0: Attached scsi generic sg2 type 0 > [10900.970628] sd 8:0:0:0: [sdd] 3842048 512-byte logical blocks: (1.96 GB/1.83 > GiB) > [10900.972751] sd 8:0:0:0: [sdd] Write Protect is off > [10900.972756] sd 8:0:0:0: [sdd] Mode Sense: 03 00 00 00 > [10900.972759] sd 8:0:0:0: [sdd] Assuming drive cache: write through > [10900.977313] usb-storage: device scan complete > [10900.982458] sd 8:0:0:0: [sdd] Assuming drive cache: write through > [10900.982477] sdd: sdd1 > [10900.995354] sd 8:0:0:0: [sdd] Assuming drive cache: write through > [10900.995367] sd 8:0:0:0: [sdd] Attached SCSI removable disk > [10930.103624] usb 1-1: USB disconnect, address 4 > [10932.225170] usb 1-1: new high speed USB device using ehci_hcd and address 5 > [10932.342517] usb 1-1: configuration #1 chosen from 1 choice > [10932.361016] scsi9 : SCSI emulation for USB Mass Storage devices > [10932.366315] usb-storage: device found at 5 > [10932.366318] usb-storage: waiting for device to settle before scanning > [10937.367188] scsi 9:0:0:0: Direct-Access Multi Flash Reader 1.00 > PQ: 0 ANSI: 0 > [10937.371386] sd 9:0:0:0: Attached scsi generic sg2 type 0 > [10937.379608] usb-storage: device scan complete > [10937.855336] sd 9:0:0:0: [sdd] 3842048 512-byte logical blocks: (1.96 GB/1.83 > GiB) > [10937.857531] sd 9:0:0:0: [sdd] Write Protect is off > [10937.857536] sd 9:0:0:0: [sdd] Mode Sense: 03 00 00 00 > [10937.857540] sd 9:0:0:0: [sdd] Assuming drive cache: write through > [10937.867209] sd 9:0:0:0: [sdd] Assuming drive cache: write through > [10937.867233] sdd: sdd1 > [10937.880579] sd 9:0:0:0: [sdd] Assuming drive cache: write through > [10937.880589] sd 9:0:0:0: [sdd] Attached SCSI removable disk > [10972.792702] usb 1-1: USB disconnect, address 5 > [11041.201064] INFO: task umount:11856 blocked for more than 120 seconds. > [11041.201068] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this > message. > [11041.201072] umount D 0000000000000002 5600 11856 11847 0x00000080 > [11041.201081] ffff88011625bcd8 0000000000000086 ffff880028216500 > ffff88013e58ad20 > [11041.201088] ffff88011625bd08 ffffffff81053dcf 0000000000010b58 > ffff88011625bfd8 > [11041.201094] 0000000000016500 ffff88011625bfd8 0000000000016500 > ffff88013e58ad20 > [11041.201100] Call Trace: > [11041.201111] [<ffffffff81053dcf>] ? select_task_rq_fair+0x18c/0x9a6 > [11041.201117] [<ffffffff81056af8>] ? enqueue_task_fair+0x4a1/0x4b7 > [11041.201124] [<ffffffff81179f8e>] bdi_sched_wait+0x15/0x20 > [11041.201130] [<ffffffff815065de>] __wait_on_bit+0x6f/0xd4 > [11041.201136] [<ffffffff81179f79>] ? bdi_sched_wait+0x0/0x20 > [11041.201141] [<ffffffff81179f79>] ? bdi_sched_wait+0x0/0x20 > [11041.201145] [<ffffffff815066c0>] out_of_line_wait_on_bit+0x7d/0x91 > [11041.201151] [<ffffffff8108c0cb>] ? wake_bit_function+0x0/0x67 > [11041.201156] [<ffffffff81179f3a>] ? bdi_queue_work+0xed/0x12c > [11041.201161] [<ffffffff8117a036>] sync_inodes_sb+0x9d/0x20b > [11041.201167] [<ffffffff8117fafa>] __sync_filesystem+0x7d/0xcb > [11041.201177] [<ffffffff8117fe22>] sync_filesystem+0x88/0x94 > [11041.201183] [<ffffffff811534be>] generic_shutdown_super+0x40/0x14a > [11041.201187] [<ffffffff811535f6>] kill_block_super+0x2e/0x5b > [11041.201193] [<ffffffff811540bf>] deactivate_super+0xa3/0xcd > [11041.201197] [<ffffffff811725e6>] mntput_no_expire+0x121/0x182 > [11041.201202] [<ffffffff81172e90>] sys_umount+0x436/0x477 > [11041.201208] [<ffffffff810bf67a>] ? audit_syscall_entry+0x298/0x2cb > [11041.201214] [<ffffffff81014872>] system_call_fastpath+0x16/0x1b > [11129.535917] kmemleak: 32 new suspected memory leaks (see > /sys/kernel/debug/kmemleak) > [11161.201065] INFO: task umount:11856 blocked for more than 120 seconds. > [11161.201069] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this > message. > [11161.201073] umount D 0000000000000002 5600 11856 11847 0x00000080 > [11161.201082] ffff88011625bcd8 0000000000000086 ffff880028216500 > ffff88013e58ad20 > [11161.201089] ffff88011625bd08 ffffffff81053dcf 0000000000010b58 > ffff88011625bfd8 > [11161.201095] 0000000000016500 ffff88011625bfd8 0000000000016500 > ffff88013e58ad20 > [11161.201102] Call Trace: > [11161.201111] [<ffffffff81053dcf>] ? select_task_rq_fair+0x18c/0x9a6 > [11161.201118] [<ffffffff81056af8>] ? enqueue_task_fair+0x4a1/0x4b7 > [11161.201124] [<ffffffff81179f8e>] bdi_sched_wait+0x15/0x20 > [11161.201131] [<ffffffff815065de>] __wait_on_bit+0x6f/0xd4 > [11161.201136] [<ffffffff81179f79>] ? bdi_sched_wait+0x0/0x20 > [11161.201141] [<ffffffff81179f79>] ? bdi_sched_wait+0x0/0x20 > [11161.201146] [<ffffffff815066c0>] out_of_line_wait_on_bit+0x7d/0x91 > [11161.201151] [<ffffffff8108c0cb>] ? wake_bit_function+0x0/0x67 > [11161.201156] [<ffffffff81179f3a>] ? bdi_queue_work+0xed/0x12c > [11161.201162] [<ffffffff8117a036>] sync_inodes_sb+0x9d/0x20b > [11161.201168] [<ffffffff8117fafa>] __sync_filesystem+0x7d/0xcb > [11161.201176] [<ffffffff8117fe22>] sync_filesystem+0x88/0x94 > [11161.201181] [<ffffffff811534be>] generic_shutdown_super+0x40/0x14a > [11161.201186] [<ffffffff811535f6>] kill_block_super+0x2e/0x5b > [11161.201191] [<ffffffff811540bf>] deactivate_super+0xa3/0xcd > [11161.201196] [<ffffffff811725e6>] mntput_no_expire+0x121/0x182 > [11161.201201] [<ffffffff81172e90>] sys_umount+0x436/0x477 > [11161.201207] [<ffffffff810bf67a>] ? audit_syscall_entry+0x298/0x2cb > [11161.201213] [<ffffffff81014872>] system_call_fastpath+0x16/0x1b > [11281.201063] INFO: task umount:11856 blocked for more than 120 seconds. > [11281.201067] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this > message. > [11281.201071] umount D 0000000000000002 5600 11856 11847 0x00000080 > [11281.201080] ffff88011625bcd8 0000000000000086 ffff880028216500 > ffff88013e58ad20 > [11281.201087] ffff88011625bd08 ffffffff81053dcf 0000000000010b58 > ffff88011625bfd8 > [11281.201093] 0000000000016500 ffff88011625bfd8 0000000000016500 > ffff88013e58ad20 > [11281.201099] Call Trace: > [11281.201109] [<ffffffff81053dcf>] ? select_task_rq_fair+0x18c/0x9a6 > [11281.201115] [<ffffffff81056af8>] ? enqueue_task_fair+0x4a1/0x4b7 > [11281.201122] [<ffffffff81179f8e>] bdi_sched_wait+0x15/0x20 > [11281.201128] [<ffffffff815065de>] __wait_on_bit+0x6f/0xd4 > [11281.201134] [<ffffffff81179f79>] ? bdi_sched_wait+0x0/0x20 > [11281.201139] [<ffffffff81179f79>] ? bdi_sched_wait+0x0/0x20 > [11281.201144] [<ffffffff815066c0>] out_of_line_wait_on_bit+0x7d/0x91 > [11281.201149] [<ffffffff8108c0cb>] ? wake_bit_function+0x0/0x67 > [11281.201154] [<ffffffff81179f3a>] ? bdi_queue_work+0xed/0x12c > [11281.201159] [<ffffffff8117a036>] sync_inodes_sb+0x9d/0x20b > [11281.201166] [<ffffffff8117fafa>] __sync_filesystem+0x7d/0xcb > [11281.201173] [<ffffffff8117fe22>] sync_filesystem+0x88/0x94 > [11281.201178] [<ffffffff811534be>] generic_shutdown_super+0x40/0x14a > [11281.201183] [<ffffffff811535f6>] kill_block_super+0x2e/0x5b > [11281.201188] [<ffffffff811540bf>] deactivate_super+0xa3/0xcd > [11281.201193] [<ffffffff811725e6>] mntput_no_expire+0x121/0x182 > [11281.201197] [<ffffffff81172e90>] sys_umount+0x436/0x477 > [11281.201203] [<ffffffff810bf67a>] ? audit_syscall_entry+0x298/0x2cb > [11281.201210] [<ffffffff81014872>] system_call_fastpath+0x16/0x1b > [11401.201067] INFO: task umount:11856 blocked for more than 120 seconds. > [11401.201071] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this > message. > [11401.201075] umount D 0000000000000002 5600 11856 11847 0x00000080 > [11401.201084] ffff88011625bcd8 0000000000000086 ffff880028216500 > ffff88013e58ad20 > [11401.201091] ffff88011625bd08 ffffffff81053dcf 0000000000010b58 > ffff88011625bfd8 > [11401.201098] 0000000000016500 ffff88011625bfd8 0000000000016500 > ffff88013e58ad20 > [11401.201104] Call Trace: > [11401.201114] [<ffffffff81053dcf>] ? select_task_rq_fair+0x18c/0x9a6 > [11401.201120] [<ffffffff81056af8>] ? enqueue_task_fair+0x4a1/0x4b7 > [11401.201128] [<ffffffff81179f8e>] bdi_sched_wait+0x15/0x20 > [11401.201135] [<ffffffff815065de>] __wait_on_bit+0x6f/0xd4 > [11401.201140] [<ffffffff81179f79>] ? bdi_sched_wait+0x0/0x20 > [11401.201145] [<ffffffff81179f79>] ? bdi_sched_wait+0x0/0x20 > [11401.201150] [<ffffffff815066c0>] out_of_line_wait_on_bit+0x7d/0x91 > [11401.201156] [<ffffffff8108c0cb>] ? wake_bit_function+0x0/0x67 > [11401.201161] [<ffffffff81179f3a>] ? bdi_queue_work+0xed/0x12c > [11401.201166] [<ffffffff8117a036>] sync_inodes_sb+0x9d/0x20b > [11401.201172] [<ffffffff8117fafa>] __sync_filesystem+0x7d/0xcb > [11401.201179] [<ffffffff8117fe22>] sync_filesystem+0x88/0x94 > [11401.201185] [<ffffffff811534be>] generic_shutdown_super+0x40/0x14a > [11401.201190] [<ffffffff811535f6>] kill_block_super+0x2e/0x5b > [11401.201195] [<ffffffff811540bf>] deactivate_super+0xa3/0xcd > [11401.201200] [<ffffffff811725e6>] mntput_no_expire+0x121/0x182 > [11401.201205] [<ffffffff81172e90>] sys_umount+0x436/0x477 > [11401.201211] [<ffffffff810bf67a>] ? audit_syscall_entry+0x298/0x2cb > [11401.201218] [<ffffffff81014872>] system_call_fastpath+0x16/0x1b > [11441.637167] usb 1-1: new high speed USB device using ehci_hcd and address 6 > > This is from linus git tree. -- 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
