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[Gavin Guo <gavin.guo@xxxxxxxxxxxxx>]

I've tested 4 kinds of SD card. The first is U1 16GB SDHC from Toshiba
which fail to read. Secondly, class 10 SDHC 4GB from mushkin which is
the most high speed one with 25MB/s. Thirdly, class 4 SDHC from SanDisk
which has been measured 15MB/s. The last is U1 SDHC 8GB from SanDisk
which has been measured about 15MB/s. I think that the case SDHC can't
read bug may be a special case which shows in the test like the first U1
16GB SDHC from Toshiba can't be read. And I also used the same kernel
version 3.5.0-25.

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https://bugs.launchpad.net/bugs/1153937

Title:
  HP Pavilion p6 - Card reader does not read SDHC cards

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  With stock 12.04.2, the card reader on this system would only
  recognize SD cards. SDHC and MMC were not recognized and not
  accessible when plugged in.

  After applying the latest updates and rebooting, the card reader now
  recognizes and mounts MMC and SD cards, but still fails to recognize
  and mount SDHC cards.  Given that SDHC are the most popular cards in
  the world now, this is certainly a cert blocker.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: linux-image-3.5.0-25-generic 3.5.0-25.39~precise1
  ProcVersionSignature: Ubuntu 3.5.0-25.39~precise1-generic 3.5.7.4
  Uname: Linux 3.5.0-25-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.25.
  AplayDevices:
   **** List of PLAYBACK Hardware Devices ****
   card 0: Generic [HD-Audio Generic], device 0: ALC662 rev1 Analog [ALC662 rev1 Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  ApportVersion: 2.0.1-0ubuntu17.1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  ubuntu     1759 F.... pulseaudio
  CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found.
  Card0.Amixer.info:
   Card hw:0 'Generic'/'HD-Audio Generic at 0xfef40000 irq 16'
     Mixer name	: 'Realtek ALC662 rev1'
     Components	: 'HDA:10ec0662,103c2acf,00100101'
     Controls      : 33
     Simple ctrls  : 18
  Date: Tue Mar 12 03:27:22 2013
  HibernationDevice: RESUME=UUID=198515a3-020c-45e6-a949-cec6add4e7c7
  InstallationMedia: Ubuntu 12.04.2 LTS "Precise Pangolin" - Release amd64 (20130213)
  IwConfig:
   eth0      no wireless extensions.
   
   lo        no wireless extensions.
  MachineType: Hewlett-Packard p6-2120
  MarkForUpload: True
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-25-generic root=UUID=9e2a1f48-ad2f-43c0-b14b-4faa8ef3dcc2 ro quiet splash initcall_debug vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.5.0-25-generic N/A
   linux-backports-modules-3.5.0-25-generic  N/A
   linux-firmware                            1.79.1
  RfKill:
   
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 09/20/2012
  dmi.bios.vendor: AMI
  dmi.bios.version: 8.08
  dmi.board.name: 2ACF
  dmi.board.vendor: PEGATRON CORPORATION
  dmi.board.version: 1.03
  dmi.chassis.asset.tag: MXU21706X1
  dmi.chassis.type: 3
  dmi.chassis.vendor: Hewlett-Packard
  dmi.modalias: dmi:bvnAMI:bvr8.08:bd09/20/2012:svnHewlett-Packard:pnp6-2120:pvr:rvnPEGATRONCORPORATION:rn2ACF:rvr1.03:cvnHewlett-Packard:ct3:cvr:
  dmi.product.name: p6-2120
  dmi.sys.vendor: Hewlett-Packard

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