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[Nils Sabelstrom <nilssab@xxxxxxxxx>]

** Tags added: kernel-bug-exists-upstream-3.16

** Changed in: linux (Ubuntu)
       Status: Incomplete => Confirmed

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https://bugs.launchpad.net/bugs/1353808

Title:
  [ACER V5-171] SD card reader not working

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  Tested card was a 64GB SDXC from supertalent and Lexar 16GB SDHC.

  In both cases nothing happens when cards are inserted, and after
  10seconds dmesg shows: "mmc0: Timeout waiting for hardware interrupt."

  This seems to be a common problem in ubuntu with the Broadcom
  Corporation BCM57765/57785 SDXC/MMC Card Reader.

  This was using ubuntu 14.04 with 3.13.0-32-generic #57-Ubuntu SMP
  I also tried the newest daily build (6th august) of the 3.16 kernel(utopic), no change in results.

  The bios is the newest version V2.21, I have earlier been told to use
  the newer 2.25, however, there is no such BIOS version and 2.21 is the
  newest posted on the acer webspace.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-32-generic 3.13.0-32.57
  ProcVersionSignature: Ubuntu 3.13.0-32.57-generic 3.13.11.4
  Uname: Linux 3.13.0-32-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  nisse      1506 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Thu Aug  7 13:22:08 2014
  HibernationDevice: RESUME=UUID=8c53c4f8-af7e-4060-9dd7-35a970de2898
  InstallationDate: Installed on 2014-04-28 (100 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  MachineType: Acer V5-171
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-3.13.0-32-generic.efi.signed root=UUID=4a013521-bbb5-42f7-9c23-9d20cec1f7fd ro rootflags=subvol=@ quiet splash acpi_backlight=vendor vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-32-generic N/A
   linux-backports-modules-3.13.0-32-generic  N/A
   linux-firmware                             1.127.5
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 11/26/2013
  dmi.bios.vendor: Acer
  dmi.bios.version: V2.21
  dmi.board.asset.tag: Type2 - Board Asset Tag
  dmi.board.name: Mimic
  dmi.board.vendor: Acer
  dmi.board.version: Type2 - Board Version
  dmi.chassis.type: 10
  dmi.chassis.vendor: Acer
  dmi.chassis.version: V2.21
  dmi.modalias: dmi:bvnAcer:bvrV2.21:bd11/26/2013:svnAcer:pnV5-171:pvrV2.21:rvnAcer:rnMimic:rvrType2-BoardVersion:cvnAcer:ct10:cvrV2.21:
  dmi.product.name: V5-171
  dmi.product.version: V2.21
  dmi.sys.vendor: Acer

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