(switched to email. Please respond via emailed reply-to-all, not via the bugzilla web interface). On Thu, 20 Aug 2009 02:13:27 GMT bugzilla-daemon@xxxxxxxxxxxxxxxxxxx wrote: > http://bugzilla.kernel.org/show_bug.cgi?id=14020 > > Summary: Stack trace when running smartctl on an USB disk > Product: Drivers > Version: 2.5 > Kernel Version: 2.6.31-rc6 > Platform: All > OS/Version: Linux > Tree: Mainline > Status: NEW > Severity: normal > Priority: P1 > Component: USB > AssignedTo: greg@xxxxxxxxx > ReportedBy: rbrito@xxxxxxxxxx > Regression: No > > > Hi. > > Trying to see the status of a drive of mine that is in an USB enclosure, I > issued the command: > > # smartctl -d usbcypress -a /dev/sda > > What I got in return was: > > "task smartctl:1513 blocked for more than 120 seconds" with a subsequent stack > trace, listed below. Yup, that's a bug. I assume that smartctl never recovered? I don't know if it's a scsi bug or a usb bug. Probably the latter? > > [66493.029171] usb-storage: device scan complete > [66493.029657] scsi 4:0:0:0: Direct-Access ST375064 0A > PQ: 0 ANSI: 0 > [66493.032385] sd 4:0:0:0: [sda] 1465149168 512-byte logical blocks: (750 > GB/698 GiB) > [66493.033515] sd 4:0:0:0: [sda] Write Protect is off > [66493.033522] sd 4:0:0:0: [sda] Mode Sense: 33 00 00 00 > [66493.033526] sd 4:0:0:0: [sda] Assuming drive cache: write through > [66493.035501] sd 4:0:0:0: [sda] Assuming drive cache: write through > [66493.035508] sda: sda1 > [66493.056139] sd 4:0:0:0: [sda] Assuming drive cache: write through > [66493.056149] sd 4:0:0:0: [sda] Attached SCSI disk > [66493.407349] EXT4-fs (sda1): barriers enabled > [66493.436357] kjournald2 starting: pid 1407, dev sda1:8, commit interval 5 > seconds > [66493.437049] EXT4-fs (sda1): internal journal on sda1:8 > [66493.437058] EXT4-fs (sda1): delayed allocation enabled > [66493.437063] EXT4-fs: file extents enabled > [66493.483105] EXT4-fs: mballoc enabled > [66493.483135] EXT4-fs (sda1): mounted filesystem with ordered data mode > [66696.806018] usb 1-1: reset high speed USB device using ehci_hcd and address > 4 > [66714.806020] usb 1-1: reset high speed USB device using ehci_hcd and address > 4 > [66714.920809] program smartctl is using a deprecated SCSI ioctl, please > convert it to SG_IO > [66775.806017] usb 1-1: reset high speed USB device using ehci_hcd and address > 4 > [66836.806019] usb 1-1: reset high speed USB device using ehci_hcd and address > 4 > [66840.171050] INFO: task smartctl:1513 blocked for more than 120 seconds. > [66840.171055] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this > message. > [66840.171060] smartctl D ffff8800014a79c0 0 1513 1298 0x00000004 > [66840.171068] ffff88006fa52120 0000000000000082 0000000000000001 > 0000000000000001 > [66840.171075] 00000000000109c0 000000000000c858 ffff88006fa54f80 > ffff88006fa552f8 > [66840.171083] 000000007c863500 ffff88005e15fd68 ffff88006fa552f8 > ffff88005e15fd70 > [66840.171090] Call Trace: > [66840.171102] [<ffffffff812571d6>] ? schedule_timeout+0x1e/0xb8 > [66840.171136] [<ffffffffa006f2ca>] ? scsi_request_fn+0x355/0x423 [scsi_mod] > [66840.171155] [<ffffffff8103ecb7>] ? del_timer+0x59/0x62 > [66840.171165] [<ffffffff812566c6>] ? wait_for_common+0xaa/0x10b > [66840.171176] [<ffffffff81030067>] ? default_wake_function+0x0/0x9 > [66840.171186] [<ffffffff81107348>] ? __generic_unplug_device+0x12/0x2c > [66840.171197] [<ffffffff8110a6a4>] ? blk_execute_rq+0x93/0xab > [66840.171205] [<ffffffff8110a869>] ? blk_recount_segments+0x17/0x27 > [66840.171214] [<ffffffff81105576>] ? blk_rq_bio_prep+0x39/0x69 > [66840.171224] [<ffffffff8110d96e>] ? sg_scsi_ioctl+0x229/0x2ad > [66840.171233] [<ffffffff8110dd44>] ? scsi_cmd_ioctl+0x352/0x39e > [66840.171242] [<ffffffff8106991e>] ? filemap_fault+0x5e/0x36d > [66840.171252] [<ffffffff8107a2a8>] ? __do_fault+0x34b/0x386 > [66840.171261] [<ffffffff81113c30>] ? kobject_get+0x12/0x17 > [66840.171275] [<ffffffffa02337e0>] ? sd_ioctl+0x78/0xa6 [sd_mod] > [66840.171284] [<ffffffff8110b5b9>] ? __blkdev_driver_ioctl+0x69/0x7e > [66840.171292] [<ffffffff8110bdc4>] ? blkdev_ioctl+0x7d2/0x806 > [66840.171301] [<ffffffff8106991e>] ? filemap_fault+0x5e/0x36d > [66840.171309] [<ffffffff8107a2a8>] ? __do_fault+0x34b/0x386 > [66840.171320] [<ffffffff810b6c99>] ? block_ioctl+0x38/0x3c > [66840.171329] [<ffffffff810a020e>] ? vfs_ioctl+0x21/0x6c > [66840.171338] [<ffffffff810a0712>] ? do_vfs_ioctl+0x443/0x47b > [66840.171347] [<ffffffff81021e4c>] ? do_page_fault+0x1fe/0x212 > [66840.171356] [<ffffffff810a0787>] ? sys_ioctl+0x3d/0x5c > [66840.171366] [<ffffffff8100b02b>] ? system_call_fastpath+0x16/0x1b > [66855.596877] usb 1-1: USB disconnect, address 4 > > I am not sure if I can reproduce it, but I can try. If anything is needed, > please, just let me know and I'll do my best to provide the necessary > information. > -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
