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[Luis Henriques <luis.henriques@xxxxxxxxxxxxx>]

It looks like this is a regression introduced by upstream commit 66c28f9
("[SCSI] sd: Update WRITE SAME heuristics").  This commit has been
introduced into the Raring kernel 3.8.0-29.42.

The good news is that the fix has been merged upstream with 7562523
("[SCSI] Don't attempt to send extended INQUIRY command if
skip_vpd_pages is set").  The bad news is that it hasn't yet hit the
Raring kernel.

I've uploaded a test kernel containing the fix.  Could anyone facing
this issue check wether it solves it?  Here's the link to the test
kernel:

http://people.canonical.com/~henrix/lp1215155/

Just for completeness, here's the link to the upstream bug:
https://bugzilla.kernel.org/show_bug.cgi?id=60664


** Bug watch added: Linux Kernel Bug Tracker #60664
   http://bugzilla.kernel.org/show_bug.cgi?id=60664

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https://bugs.launchpad.net/bugs/1215155

Title:
  regression in linux-image-3.8.0-29-generic: ipod shuffle 2g does not
  mount any more

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  starting with  linux-image-3.8.0-29-generic ipod shuffle 2g could not be mounted.
  with 3.8.0-27-generic works OK
  [   23.752494] USB Mass Storage support registered.
  [   24.752744] scsi 4:0:0:0: Direct-Access     Apple    iPod             2.70 PQ: 0 ANSI: 2
  [   24.754546] sd 4:0:0:0: Attached scsi generic sg2 type 0
  [   24.755357] sd 4:0:0:0: [sdc] 495616 2048-byte logical blocks: (1.01 GB/968 MiB)
  [   24.756585] sd 4:0:0:0: [sdc] Write Protect is off
  [   24.756588] sd 4:0:0:0: [sdc] Mode Sense: 64 00 00 08
  [   24.757226] sd 4:0:0:0: [sdc] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA
  [   24.758599] sd 4:0:0:0: [sdc] 495616 2048-byte logical blocks: (1.01 GB/968 MiB)
  [   24.769902]  sdc:
  [   24.771237] sd 4:0:0:0: [sdc] 495616 2048-byte logical blocks: (1.01 GB/968 MiB)
  [   24.772748] sd 4:0:0:0: [sdc] Attached SCSI removable disk

  
  with 3.8.0-29-generic  I get only 
  [  186.661052] scsi 5:0:0:0: Direct-Access     Apple    iPod             2.70 PQ: 0 ANSI: 2
  [  186.662692] sd 5:0:0:0: Attached scsi generic sg2 type 0
  [  186.663501] sd 5:0:0:0: [sdc] 495616 2048-byte logical blocks: (1.01 GB/968 MiB)
  [  186.664756] sd 5:0:0:0: [sdc] Write Protect is off
  [  186.664765] sd 5:0:0:0: [sdc] Mode Sense: 64 00 00 08
  [  186.666731] sd 5:0:0:0: [sdc] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA
  and nothing more, /dev/sdc does not exist

  The same behaviour on T500 and S10-3t. (had to roll back to 3.8.0-27)

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: linux-image-3.8.0-29-generic (not installed)
  ProcVersionSignature: Ubuntu 3.8.0-27.40-generic 3.8.13.4
  Uname: Linux 3.8.0-27-generic x86_64
  ApportVersion: 2.9.2-0ubuntu8.3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  ortyl      2029 F.... pulseaudio
  Date: Wed Aug 21 23:03:36 2013
  EcryptfsInUse: Yes
  HibernationDevice: RESUME=UUID=c6b1277b-2ac7-46e4-b8f3-ce7f93218a25
  InstallationDate: Installed on 2012-09-01 (354 days ago)
  InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120823.1)
  MachineType: LENOVO 20827SG
  MarkForUpload: True
  PccardctlIdent:
   Socket 0:
     no product info available
  PccardctlStatus:
   Socket 0:
     no card
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-27-generic root=UUID=a20647bb-a321-40ad-96f0-47cbe5c02a92 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.8.0-27-generic N/A
   linux-backports-modules-3.8.0-27-generic  N/A
   linux-firmware                            1.106
  SourcePackage: linux
  UpgradeStatus: Upgraded to raring on 2013-04-01 (142 days ago)
  dmi.bios.date: 12/14/2011
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 6FET92WW (3.22 )
  dmi.board.name: 20827SG
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Available
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvr6FET92WW(3.22):bd12/14/2011:svnLENOVO:pn20827SG:pvrThinkPadT500:rvnLENOVO:rn20827SG:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 20827SG
  dmi.product.version: ThinkPad T500
  dmi.sys.vendor: LENOVO

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