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[Marietto64 <264789@xxxxxxxxxxxxxxxxxx>]

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 mario.piccoli

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https://bugs.launchpad.net/bugs/264789

Title:
  USB Hard Drive Not Accessible, vol_id hangs

Status in The Linux Kernel:
  Fix Released
Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Intrepid:
  Invalid

Bug description:
  I updated to 2.6.27-2 today, and one of my hard drives is no longer
  recognized. It is in a Vantec NexStar GX enclosure, and was working
  fine on .26, and continues to work fine on a Hardy machine. Here is
  the dmesg for it:

  [ 6722.944029] usb 5-5: new high speed USB device using ehci_hcd and address 27
  [ 6723.077863] usb 5-5: configuration #1 chosen from 1 choice
  [ 6723.079511] hub 5-5:1.0: USB hub found
  [ 6723.080345] hub 5-5:1.0: 4 ports detected
  [ 6732.712034] usb 5-5: reset high speed USB device using ehci_hcd and address 27
  [ 6733.124011] usb 5-5.1: new high speed USB device using ehci_hcd and address 28
  [ 6733.364598] usb 5-5.1: configuration #1 chosen from 1 choice
  [ 6733.365180] scsi17 : SCSI emulation for USB Mass Storage devices
  [ 6733.365818] usb-storage: device found at 28
  [ 6733.365830] usb-storage: waiting for device to settle before scanning
  [ 6738.364276] usb-storage: device scan complete
  [ 6738.361002] scsi 17:0:0:0: Direct-Access     ST340063 2A               3.04 PQ: 0 ANSI: 0
  [ 6738.361002] sd 17:0:0:0: [sdm] 781422769 512-byte hardware sectors (400088 MB)
  [ 6738.361002] sd 17:0:0:0: [sdm] Write Protect is off
  [ 6738.361002] sd 17:0:0:0: [sdm] Mode Sense: 03 00 00 00
  [ 6738.361002] sd 17:0:0:0: [sdm] Assuming drive cache: write through
  [ 6738.361002] sd 17:0:0:0: [sdm] 781422769 512-byte hardware sectors (400088 MB)
  [ 6738.370354] sd 17:0:0:0: [sdm] Write Protect is off
  [ 6738.370362] sd 17:0:0:0: [sdm] Mode Sense: 03 00 00 00
  [ 6738.370365] sd 17:0:0:0: [sdm] Assuming drive cache: write through
  [ 6738.371516]  sdm: sdm1
  [ 6738.418089] sd 17:0:0:0: [sdm] Attached SCSI disk
  [ 6738.418995] sd 17:0:0:0: Attached scsi generic sg8 type 0
  [ 6738.656598] sd 17:0:0:0: [sdm] Sense Key : No Sense [current] 
  [ 6738.656614] sd 17:0:0:0: [sdm] Add. Sense: No additional sense information

  From there, the last 2 lines about Sense Key and Add Sense repeat over
  and over again.

  The 4 port hub that is a part of the enclosure continues to work fine
  though, with a floppy drive, a printer, and another hard drive. I have
  a Vantec NexStar 3 enclosure as well, and it is working just fine.
  Dmesg for the working enclosure:

  [ 4281.996024] usb 5-3: new high speed USB device using ehci_hcd and address 19
  [ 4282.131863] usb 5-3: configuration #1 chosen from 1 choice
  [ 4282.133222] scsi12 : SCSI emulation for USB Mass Storage devices
  [ 4282.133561] usb-storage: device found at 19
  [ 4282.133566] usb-storage: waiting for device to settle before scanning
  [ 4287.132002] usb-storage: device scan complete
  [ 4287.136004] scsi 12:0:0:0: Direct-Access     ST375064 0AS                   PQ: 0 ANSI: 2
  [ 4287.138368] sd 12:0:0:0: [sdi] 1465149168 512-byte hardware sectors (750156 MB)
  [ 4287.144790] sd 12:0:0:0: [sdi] Write Protect is off
  [ 4287.144800] sd 12:0:0:0: [sdi] Mode Sense: 38 00 00 00
  [ 4287.144804] sd 12:0:0:0: [sdi] Assuming drive cache: write through
  [ 4287.152388] sd 12:0:0:0: [sdi] 1465149168 512-byte hardware sectors (750156 MB)
  [ 4287.154966] sd 12:0:0:0: [sdi] Write Protect is off
  [ 4287.154975] sd 12:0:0:0: [sdi] Mode Sense: 38 00 00 00
  [ 4287.154979] sd 12:0:0:0: [sdi] Assuming drive cache: write through
  [ 4287.154988]  sdi: sdi1
  [ 4287.176965] sd 12:0:0:0: [sdi] Attached SCSI disk
  [ 4287.177173] sd 12:0:0:0: Attached scsi generic sg7 type 0
  [ 4289.129138] kjournald starting.  Commit interval 5 seconds
  [ 4289.130101] EXT3 FS on sdi1, internal journal
  [ 4289.130110] EXT3-fs: mounted filesystem with ordered data mode.

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