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After a recent kernel upgrade, my external USB drives have become
unusable. They mount just fine, but when I go to use them, I get a bunch
of errors. This is from /var/log/syslog:

Jul 29 11:48:32 allhats2 kernel: [347359.464228] EXT4-fs (dm-31): mounted filesystem with ordered dat
a mode. Opts: (null)
Jul 29 11:49:13 allhats2 kernel: [347400.503491] usb 2-1.6: reset high-speed USB device number 7 using ehci-pci
Jul 29 11:49:18 allhats2 kernel: [347405.517258] sd 6:0:0:0: Device offlined - not ready after error recovery
Jul 29 11:49:18 allhats2 kernel: [347405.517269] sd 6:0:0:0: [sdd] Unhandled error code
Jul 29 11:49:18 allhats2 kernel: [347405.517270] sd 6:0:0:0: [sdd]  
Jul 29 11:49:18 allhats2 kernel: [347405.517271] Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK
Jul 29 11:49:18 allhats2 kernel: [347405.517273] sd 6:0:0:0: [sdd] CDB: 
Jul 29 11:49:18 allhats2 kernel: [347405.517274] Write(10): 2a 00 74 44 1c b8 00 00 f0 00
Jul 29 11:49:18 allhats2 kernel: [347405.517279] end_request: I/O error, dev sdd, sector 1950620856
Jul 29 11:49:18 allhats2 kernel: [347405.517295] sd 6:0:0:0: rejecting I/O to offline device
Jul 29 11:49:18 allhats2 kernel: [347405.517297] sd 6:0:0:0: [sdd] killing request

I suspect it might be related to https://lists.debian.org/debian-
kernel/2014/03/msg00061.html except I'm seeing it on ehci-pci not xHCI.

I tried booting with my Kubuntu 14.04 CD, and my disks mounted and
worked just fine.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: ubuntu-release-upgrader-core 1:0.220.2
ProcVersionSignature: Ubuntu 3.13.0-32.57-generic 3.13.11.4
Uname: Linux 3.13.0-32-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.14.1-0ubuntu3.2
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: KDE
Date: Wed Jul 30 08:46:00 2014
InstallationDate: Installed on 2012-09-15 (682 days ago)
InstallationMedia: Kubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120822.2)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
Symptom: ubuntu-release-upgrader
UpgradeStatus: Upgraded to trusty on 2014-04-27 (93 days ago)

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug dist-upgrade trusty
-- 
External USB drives stopped working
https://bugs.launchpad.net/bugs/1350329
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