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[EEngineer <enviouselitist@xxxxxxxxx>]

Public bug reported:

Similar symptoms to #730820

Unable to mount SD card.  Used to work 6+ months ago.  Tried 5+ SD
cards, all of which work on other devices.  Tried options sdhci
debug_quirks=0x40 to no avail.

Ubuntu 3.13.0-55.94-generic 3.13.11-ckt20


dmesg only states:
[  332.609398] mmc0: ADMA error
[  332.611516] mmc0: error -5 whilst initialising SD card

lspci:
11:00.0 SD Host controller [0805]: O2 Micro, Inc. SD/MMC Card Reader Controller [1217:8520] (rev 01) (prog-if 01)
        Subsystem: Dell Device [1028:05cd]

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


** Tags: trusty

** Attachment added: "lspci-vnvn.log"
   https://bugs.launchpad.net/bugs/1473747/+attachment/4427949/+files/lspci-vnvn.log

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https://bugs.launchpad.net/bugs/1473747

Title:
  [Dell Precision M6800] O2 Micro: SD card is unable to mount

Status in linux package in Ubuntu:
  New

Bug description:
  Similar symptoms to #730820

  Unable to mount SD card.  Used to work 6+ months ago.  Tried 5+ SD
  cards, all of which work on other devices.  Tried options sdhci
  debug_quirks=0x40 to no avail.

  Ubuntu 3.13.0-55.94-generic 3.13.11-ckt20

  
  dmesg only states:
  [  332.609398] mmc0: ADMA error
  [  332.611516] mmc0: error -5 whilst initialising SD card

  lspci:
  11:00.0 SD Host controller [0805]: O2 Micro, Inc. SD/MMC Card Reader Controller [1217:8520] (rev 01) (prog-if 01)
          Subsystem: Dell Device [1028:05cd]

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