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 Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1153618 Title: Support Realtek RTS5227 card reader To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1153618/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
