Yes, it worked in the past on 14.04. After installing upstream 4.9.0-040900rc7-generic it also works right after rebooting the machine:
sebastian@bnasws02[0r/0s]:~ $ uname -a Linux bnasws02 4.9.0-040900rc7-generic #201611271731 SMP Sun Nov 27 22:33:44 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux sebastian@bnasws02[0r/0s]:~ $ tail -f -n 0 /var/log/syslog Nov 29 19:27:36 bnasws02 kernel: [ 144.317915] usb 1-8: new high-speed USB device number 4 using xhci_hcd Nov 29 19:27:36 bnasws02 kernel: [ 144.460527] usb 1-8: New USB device found, idVendor=058f, idProduct=6366 Nov 29 19:27:36 bnasws02 kernel: [ 144.460529] usb 1-8: New USB device strings: Mfr=1, Product=2, SerialNumber=3 Nov 29 19:27:36 bnasws02 kernel: [ 144.460531] usb 1-8: Product: Flash Card Reader/Writer Nov 29 19:27:36 bnasws02 kernel: [ 144.460532] usb 1-8: Manufacturer: Generic Nov 29 19:27:36 bnasws02 kernel: [ 144.460532] usb 1-8: SerialNumber: 058F63666485 Nov 29 19:27:36 bnasws02 mtp-probe: checking bus 1, device 4: "/sys/devices/pci0000:00/0000:00:14.0/usb1/1-8" Nov 29 19:27:36 bnasws02 mtp-probe: bus: 1, device: 4 was not an MTP device Nov 29 19:27:36 bnasws02 kernel: [ 144.481613] usb-storage 1-8:1.0: USB Mass Storage device detected Nov 29 19:27:36 bnasws02 kernel: [ 144.481754] scsi host4: usb-storage 1-8:1.0 Nov 29 19:27:36 bnasws02 kernel: [ 144.481897] usbcore: registered new interface driver usb-storage Nov 29 19:27:36 bnasws02 kernel: [ 144.483526] usbcore: registered new interface driver uas Nov 29 19:27:37 bnasws02 kernel: [ 145.499448] scsi 4:0:0:0: Direct-Access Multiple Card Reader 1.00 PQ: 0 ANSI: 4 Nov 29 19:27:37 bnasws02 kernel: [ 145.500151] sd 4:0:0:0: Attached scsi generic sg1 type 0 Nov 29 19:27:38 bnasws02 kernel: [ 145.957000] sd 4:0:0:0: [sdb] 124735488 512-byte logical blocks: (63.9 GB/59.5 GiB) Nov 29 19:27:38 bnasws02 kernel: [ 145.958944] sd 4:0:0:0: [sdb] Write Protect is off Nov 29 19:27:38 bnasws02 kernel: [ 145.958946] sd 4:0:0:0: [sdb] Mode Sense: 23 00 00 00 Nov 29 19:27:38 bnasws02 kernel: [ 145.960815] sd 4:0:0:0: [sdb] Write cache: disabled, read cache: disabled, doesn't support DPO or FUA Nov 29 19:27:38 bnasws02 kernel: [ 145.979677] sdb: sdb1 Nov 29 19:27:38 bnasws02 kernel: [ 145.984603] sd 4:0:0:0: [sdb] Attached SCSI removable disk Nov 29 19:27:38 bnasws02 udisksd[1929]: Mounted /dev/sdb1 at /media/sebastian/497A-63F4 on behalf of uid 1000 but after unplugging: ... Nov 29 19:40:02 bnasws02 kernel: [ 890.109441] usb 1-8: USB disconnect, device number 4 and replugging it's again: Nov 29 19:40:07 bnasws02 kernel: [ 894.938520] usb 1-8: new high-speed USB device number 5 using xhci_hcd Nov 29 19:40:07 bnasws02 kernel: [ 895.081014] usb 1-8: New USB device found, idVendor=058f, idProduct=6366 Nov 29 19:40:07 bnasws02 kernel: [ 895.081016] usb 1-8: New USB device strings: Mfr=1, Product=2, SerialNumber=3 Nov 29 19:40:07 bnasws02 kernel: [ 895.081017] usb 1-8: Product: Flash Card Reader/Writer Nov 29 19:40:07 bnasws02 kernel: [ 895.081018] usb 1-8: Manufacturer: Generic Nov 29 19:40:07 bnasws02 kernel: [ 895.081019] usb 1-8: SerialNumber: 058F63666485 Nov 29 19:40:07 bnasws02 kernel: [ 895.081510] usb-storage 1-8:1.0: USB Mass Storage device detected Nov 29 19:40:07 bnasws02 kernel: [ 895.081636] scsi host4: usb-storage 1-8:1.0 Nov 29 19:40:07 bnasws02 mtp-probe: checking bus 1, device 5: "/sys/devices/pci0000:00/0000:00:14.0/usb1/1-8" Nov 29 19:40:07 bnasws02 mtp-probe: bus: 1, device: 5 was not an MTP device Nov 29 19:40:08 bnasws02 kernel: [ 896.092014] scsi 4:0:0:0: Direct-Access Multiple Card Reader 1.00 PQ: 0 ANSI: 4 Nov 29 19:40:08 bnasws02 kernel: [ 896.092401] sd 4:0:0:0: Attached scsi generic sg1 type 0 Nov 29 19:40:11 bnasws02 gnome-session[2034]: (gnome-software:2174): Gs-WARNING **: failed to get updates: no results to show Nov 29 19:40:11 bnasws02 kernel: [ 899.145541] sd 4:0:0:0: [sdb] Attached SCSI removable disk -- 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