This issue appears to be an upstream bug, since you tested the latest upstream kernel. Would it be possible for you to open an upstream bug report[0]? That will allow the upstream Developers to examine the issue, and may provide a quicker resolution to the bug.
Please follow the instructions on the wiki page[0]. The first step is to email the appropriate mailing list. If no response is received, then a bug may be opened on bugzilla.kernel.org. Once this bug is reported upstream, please add the tag: 'kernel-bug- reported-upstream'. [0] https://wiki.ubuntu.com/Bugs/Upstream/kernel ** Changed in: linux (Ubuntu) Status: Confirmed => Triaged -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1291081 Title: Can't mount USB3 flash drive Status in “linux” package in Ubuntu: Triaged Bug description: While trying to mount a USB3 flash drive I get errors like: [ 88.961035] usb 4-2: reset SuperSpeed USB device number 2 using xhci_hcd [ 88.976746] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff88020f4465c0 [ 88.976757] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff88020f446580 [ 88.977319] sd 6:0:0:0: [sdb] Unhandled error code [ 88.977321] sd 6:0:0:0: [sdb] [ 88.977323] Result: hostbyte=DID_ERROR driverbyte=DRIVER_OK [ 88.977324] sd 6:0:0:0: [sdb] CDB: [ 88.977325] Read(10): 28 00 00 00 12 53 00 00 f0 00 [ 88.977331] end_request: I/O error, dev sdb, sector 4691 ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-3.13.0-17-generic 3.13.0-17.37 ProcVersionSignature: Ubuntu 3.13.0-17.37-generic 3.13.6 Uname: Linux 3.13.0-17-generic x86_64 ApportVersion: 2.13.3-0ubuntu1 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: michael 1943 F.... pulseaudio CurrentDesktop: Unity Date: Tue Mar 11 23:22:03 2014 InstallationDate: Installed on 2014-03-07 (4 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140306) MachineType: LENOVO 34481Y2 ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-3.13.0-17-generic.efi.signed root=UUID=d6f1faeb-4441-407a-a989-97022eb7a6a6 ro rootflags=subvol=@ quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.13.0-17-generic N/A linux-backports-modules-3.13.0-17-generic N/A linux-firmware 1.126 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 02/19/2014 dmi.bios.vendor: LENOVO dmi.bios.version: G6ETA3WW (2.63 ) dmi.board.asset.tag: Not Available dmi.board.name: 34481Y2 dmi.board.vendor: LENOVO dmi.board.version: Not Defined dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Not Available dmi.modalias: dmi:bvnLENOVO:bvrG6ETA3WW(2.63):bd02/19/2014:svnLENOVO:pn34481Y2:pvrThinkPadX1Carbon:rvnLENOVO:rn34481Y2:rvrNotDefined:cvnLENOVO:ct10:cvrNotAvailable: dmi.product.name: 34481Y2 dmi.product.version: ThinkPad X1 Carbon dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1291081/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
