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[Steven Ellis <steven@xxxxxxxxxxxxxxx>]

Appears to still have issues on 15.04 with SDXC Cards

Insert vfat formatted card and create a new file. Then eject card.

[ 1214.355115] mmc0: cannot verify signal voltage switch
[ 1214.467278] mmc0: new ultra high speed SDR104 SDXC card at address 0007
[ 1214.474164] Driver 'mmcblk' needs updating - please use bus_type methods
[ 1214.474277] mmcblk0: mmc0:0007 SD64G 58.2 GiB
[ 1214.476144]  mmcblk0: p1
[ 1224.953923] mmcblk0: timed out sending r/w cmd command, card status 0x400900
[ 1225.053874] mmcblk0: timed out sending r/w cmd command, card status 0x400900
[ 1231.207667] mmcblk0: timed out sending r/w cmd command, card status 0x400900
[ 1235.642101] mmcblk0: timed out sending r/w cmd command, card status 0x400900
[ 1240.232505] mmc0: card 0007 removed 

Getting the same r/w kernel errors when writing to the card as RHEL7 and
Fedora 21. Ejected card is corrupted and needs re-formatting

This bug has been confirmed on two Lenovo T440s laptops

** Bug watch added: Red Hat Bugzilla #1242712
   https://bugzilla.redhat.com/show_bug.cgi?id=1242712

** Also affects: linux (Fedora) via
   https://bugzilla.redhat.com/show_bug.cgi?id=1242712
   Importance: Unknown
       Status: Unknown

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https://bugs.launchpad.net/bugs/1153618

Title:
  Support Realtek RTS5227 card reader

Status in HWE Next:
  Fix Released
Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Quantal:
  Fix Released
Status in linux source package in Raring:
  Fix Released
Status in linux package in Fedora:
  Unknown

Bug description:
  Support of Realtek RTS5227 card reader is currently missing in the
  kernel, though the support is already in upstream, we need to backport
  it from upstream to enable this device.

  03:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd.
  Device [10ec:5227] (rev 01)

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