Seems like it's just an issue of "have you tried turning it off and on again":
Nov 30 08:54:25 bnasws02 kernel: [17446.546905] usb 1-8: new high-speed USB device number 6 using xhci_hcd Nov 30 08:54:25 bnasws02 kernel: [17446.689489] usb 1-8: New USB device found, idVendor=058f, idProduct=6366 Nov 30 08:54:25 bnasws02 kernel: [17446.689491] usb 1-8: New USB device strings: Mfr=1, Product=2, SerialNumber=3 Nov 30 08:54:25 bnasws02 kernel: [17446.689492] usb 1-8: Product: Flash Card Reader/Writer Nov 30 08:54:25 bnasws02 kernel: [17446.689493] usb 1-8: Manufacturer: Generic Nov 30 08:54:25 bnasws02 kernel: [17446.689494] usb 1-8: SerialNumber: 058F63666485 Nov 30 08:54:25 bnasws02 kernel: [17446.689936] usb-storage 1-8:1.0: USB Mass Storage device detected Nov 30 08:54:25 bnasws02 kernel: [17446.690043] scsi host4: usb-storage 1-8:1.0 Nov 30 08:54:25 bnasws02 mtp-probe: checking bus 1, device 6: "/sys/devices/pci0000:00/0000:00:14.0/usb1/1-8" Nov 30 08:54:25 bnasws02 mtp-probe: bus: 1, device: 6 was not an MTP device Nov 30 08:54:26 bnasws02 kernel: [17447.720553] scsi 4:0:0:0: Direct-Access Multiple Card Reader 1.00 PQ: 0 ANSI: 4 Nov 30 08:54:26 bnasws02 kernel: [17447.721271] sd 4:0:0:0: Attached scsi generic sg1 type 0 Nov 30 08:54:29 bnasws02 kernel: [17450.797969] sd 4:0:0:0: [sdb] Attached SCSI removable disk Nov 30 08:55:16 bnasws02 kernel: [17497.700513] usb 1-8: USB disconnect, device number 6 .... Nov 30 08:55:23 bnasws02 kernel: [17504.230075] usb 1-8: new high-speed USB device number 7 using xhci_hcd Nov 30 08:55:23 bnasws02 kernel: [17504.372672] usb 1-8: New USB device found, idVendor=058f, idProduct=6366 Nov 30 08:55:23 bnasws02 kernel: [17504.372674] usb 1-8: New USB device strings: Mfr=1, Product=2, SerialNumber=3 Nov 30 08:55:23 bnasws02 kernel: [17504.372676] usb 1-8: Product: Flash Card Reader/Writer Nov 30 08:55:23 bnasws02 kernel: [17504.372677] usb 1-8: Manufacturer: Generic Nov 30 08:55:23 bnasws02 kernel: [17504.372678] usb 1-8: SerialNumber: 058F63666485 Nov 30 08:55:23 bnasws02 kernel: [17504.373161] usb-storage 1-8:1.0: USB Mass Storage device detected Nov 30 08:55:23 bnasws02 kernel: [17504.373266] scsi host4: usb-storage 1-8:1.0 Nov 30 08:55:23 bnasws02 mtp-probe: checking bus 1, device 7: "/sys/devices/pci0000:00/0000:00:14.0/usb1/1-8" Nov 30 08:55:23 bnasws02 mtp-probe: bus: 1, device: 7 was not an MTP device Nov 30 08:55:24 bnasws02 kernel: [17505.387726] scsi 4:0:0:0: Direct-Access Multiple Card Reader 1.00 PQ: 0 ANSI: 4 Nov 30 08:55:24 bnasws02 kernel: [17505.388397] sd 4:0:0:0: Attached scsi generic sg1 type 0 Nov 30 08:55:24 bnasws02 kernel: [17505.848103] sd 4:0:0:0: [sdb] 124735488 512-byte logical blocks: (63.9 GB/59.5 GiB) Nov 30 08:55:24 bnasws02 kernel: [17505.850019] sd 4:0:0:0: [sdb] Write Protect is off Nov 30 08:55:24 bnasws02 kernel: [17505.850021] sd 4:0:0:0: [sdb] Mode Sense: 23 00 00 00 Nov 30 08:55:24 bnasws02 kernel: [17505.851955] sd 4:0:0:0: [sdb] Write cache: disabled, read cache: disabled, doesn't support DPO or FUA Nov 30 08:55:24 bnasws02 kernel: [17505.870801] sdb: sdb1 Nov 30 08:55:24 bnasws02 kernel: [17505.875682] sd 4:0:0:0: [sdb] Attached SCSI removable disk Nov 30 08:55:24 bnasws02 mount.exfat: volume was not unmounted cleanly Nov 30 08:55:24 bnasws02 udisksd[1908]: Mounted /dev/sdb1 at /media/sebastian/497A-63F4 on behalf of uid 1000 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1644981 Title: ExFAT Formatted SD Cards not mounted To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1644981/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs