Good evening all, my laptop still have this issue, i can read only SD card but not SDXC
my environment : Laptop : lenovo T440 bdm@bdm-T440:~$ uname -a Linux bdm-T440 4.4.0-22-generic #40-Ubuntu SMP Thu May 12 22:03:46 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux bdm@bdm-T440:~$ lspci | grep -i RTS 02:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS5227 PCI Express Card Reader (rev 01) when i inserted a SDXCII of 64go from lexar working well in others OS i got that: bdm@bdm-T440:~$ dmesg | tail -25 [ 6233.214229] Buffer I/O error on dev mmcblk0, logical block 0, async page read [ 6233.214538] mmcblk0: unknown error -22 sending read/write command, card status 0x900 [ 6233.214543] blk_update_request: I/O error, dev mmcblk0, sector 0 [ 6233.214546] Buffer I/O error on dev mmcblk0, logical block 0, async page read [ 6233.214862] mmcblk0: unknown error -22 sending read/write command, card status 0x900 you support will be appreciated, cheers bdm -- 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 ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs