Thank you for your quick response. I upgraded as follows, but this issue is not fixed unfortunately...:
$ uname -a Linux dokudami-x250 4.1.0-040100rc8-generic #201506150335 SMP Mon Jun 15 02:37:00 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux $ dmesg [ 112.191157] mmc0: error -123 whilst initialising SD card [ 116.942695] mmc0: new high speed SDHC card at address aaaa [ 116.975723] mmcblk0: mmc0:aaaa SU04G 3.69 GiB [ 116.976568] mmcblk0: p1 [ 117.164196] FAT-fs (mmcblk0p1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. Same error dialog is also poped up. I have added the tag as you instructed. Best Regards ** Tags added: ernel-bug-exists-upstream -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1466889 Title: SD card is not recognized. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1466889/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs