Public bug reported: This happens every time when connected to an USB 3.0 port. The card reader is a Transcend 3.0. It works fine under USB 2.0 (plugged into a 2.0 port) and under Windows 7 (2.0 and 3.0).
[ 298.543480] xhci_hcd 0000:06:00.0: xHCI xhci_drop_endpoint called with disabled ep f75cd6c0 [ 298.543484] xhci_hcd 0000:06:00.0: xHCI xhci_drop_endpoint called with disabled ep f75cd6ec [ 298.832162] sd 8:0:0:1: [sdf] Media Changed [ 298.832166] sd 8:0:0:1: [sdf] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE [ 298.832170] sd 8:0:0:1: [sdf] Sense Key : Unit Attention [current] [ 298.832176] sd 8:0:0:1: [sdf] Add. Sense: Not ready to ready change, medium may have changed [ 298.832183] sd 8:0:0:1: [sdf] CDB: Write(10): 2a 20 00 00 a0 00 00 00 f0 00 [ 298.832194] end_request: I/O error, dev sdf, sector 40960 [ 298.832198] quiet_error: 80 callbacks suppressed [ 298.832201] Buffer I/O error on device sdf, logical block 5120 [ 298.832203] lost page write due to I/O error on sdf [ 298.832208] Buffer I/O error on device sdf, logical block 5121 [ 298.832210] lost page write due to I/O error on sdf [ 298.832213] Buffer I/O error on device sdf, logical block 5122 [ 298.832215] lost page write due to I/O error on sdf ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: linux-image-3.2.0-35-generic-pae 3.2.0-35.55 ProcVersionSignature: Ubuntu 3.2.0-35.55-generic-pae 3.2.34 Uname: Linux 3.2.0-35-generic-pae i686 AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24. ApportVersion: 2.0.1-0ubuntu15.1 Architecture: i386 ArecordDevices: **** List of CAPTURE Hardware Devices **** card 0: DG [Xonar DG], device 0: Multichannel [Multichannel] Subdevices: 1/1 Subdevice #0: subdevice #0 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: bp1 1838 F.... pulseaudio /dev/snd/controlC1: bp1 1838 F.... pulseaudio CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found. Card0.Amixer.info: Card hw:0 'DG'/'C-Media Oxygen HD Audio at 0xcc00, irq 30' Mixer name : 'CMI8786' Components : 'CS4245 CMI8786' Controls : 15 Simple ctrls : 10 Card1.Amixer.info: Card hw:1 'Generic'/'HD-Audio Generic at 0xfcedc000 irq 95' Mixer name : 'ATI R6xx HDMI' Components : 'HDA:1002aa01,00aa0100,00100200' Controls : 6 Simple ctrls : 1 Card1.Amixer.values: Simple mixer control 'IEC958',0 Capabilities: pswitch pswitch-joined penum Playback channels: Mono Mono: Playback [on] Date: Thu Dec 20 11:47:03 2012 HibernationDevice: RESUME=UUID=a0545274-c1d9-45aa-9a0a-33dc953128b3 InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423) IwConfig: lo no wireless extensions. eth0 no wireless extensions. MachineType: Dell Inc. Precision WorkStation T5400 MarkForUpload: True ProcEnviron: LANGUAGE=en_GB:en TERM=xterm PATH=(custom, no user) LANG=en_GB.UTF-8 SHELL=/bin/bash ProcFB: 0 radeondrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-35-generic-pae root=UUID=0c800e2a-7249-4664-8ad6-913b737195b1 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.2.0-35-generic-pae N/A linux-backports-modules-3.2.0-35-generic-pae N/A linux-firmware 1.79.1 RfKill: SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) UserAsoundrc: pcm.fileout { type empty slave.pcm "tee:default,'/tmp/out.raw',raw" # 48000 S16_LE 2ch (aplay -t raw -f dat) } dmi.bios.date: 05/23/2011 dmi.bios.vendor: Dell Inc. dmi.bios.version: A09 dmi.board.name: 0RW203 dmi.board.vendor: Dell Inc. dmi.chassis.type: 7 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA09:bd05/23/2011:svnDellInc.:pnPrecisionWorkStationT5400:pvr:rvnDellInc.:rn0RW203:rvr:cvnDellInc.:ct7:cvr: dmi.product.name: Precision WorkStation T5400 dmi.sys.vendor: Dell Inc. ** Affects: linux (Ubuntu) Importance: Undecided Status: Confirmed ** Tags: apport-bug i386 precise -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1092519 Title: xhci timeouts while reading / writing to a 3.0 card reader To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1092519/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs