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 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. 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) To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1153618/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
