Update: I can now see that USB storage devices are automounted. This was resolved by installing gvfs:
sudo apt-get install gvfs [sudo] password for bbogart: Reading package lists... Done Building dependency tree Reading state information... Done The following additional packages will be installed: gvfs-daemons gvfs-libs Suggested packages: gvfs-backends The following NEW packages will be installed: gvfs gvfs-daemons gvfs-libs 0 upgraded, 3 newly installed, 0 to remove and 41 not upgraded. Need to get 323 kB of archives. After this operation, 1,305 kB of additional disk space will be used. Do you want to continue? [Y/n] y Get:1 http://mirrors.accretive-networks.net/ubuntu bionic-updates/main amd64 gvfs-libs amd64 1.36.1-0ubuntu1.1 [95.1 kB] Get:2 http://mirrors.accretive-networks.net/ubuntu bionic-updates/main amd64 gvfs-daemons amd64 1.36.1-0ubuntu1.1 [116 kB] Get:3 http://mirrors.accretive-networks.net/ubuntu bionic-updates/main amd64 gvfs amd64 1.36.1-0ubuntu1.1 [111 kB] Fetched 323 kB in 1s (393 kB/s) Selecting previously unselected package gvfs-libs:amd64. (Reading database ... 333054 files and directories currently installed.) Preparing to unpack .../gvfs-libs_1.36.1-0ubuntu1.1_amd64.deb ... Unpacking gvfs-libs:amd64 (1.36.1-0ubuntu1.1) ... Selecting previously unselected package gvfs-daemons. Preparing to unpack .../gvfs-daemons_1.36.1-0ubuntu1.1_amd64.deb ... Unpacking gvfs-daemons (1.36.1-0ubuntu1.1) ... Selecting previously unselected package gvfs:amd64. Preparing to unpack .../gvfs_1.36.1-0ubuntu1.1_amd64.deb ... Unpacking gvfs:amd64 (1.36.1-0ubuntu1.1) ... Processing triggers for libglib2.0-0:amd64 (2.56.1-2ubuntu1) ... Setting up gvfs-libs:amd64 (1.36.1-0ubuntu1.1) ... Setting up gvfs-daemons (1.36.1-0ubuntu1.1) ... Setting up gvfs:amd64 (1.36.1-0ubuntu1.1) ... It is unclear to me why gvfs was not installed during the do-release- upgrade. Is there a way I can file a bug against do-release-upgrade? MTP USB mounting still does not work: Aug 29 10:37:26 insitu kernel: [ 3013.040023] usb 1-8: new high-speed USB device number 10 using ehci-pci Aug 29 10:37:26 insitu kernel: [ 3013.198520] usb 1-8: New USB device found, idVendor=04e8, idProduct=6860 Aug 29 10:37:26 insitu kernel: [ 3013.198524] usb 1-8: New USB device strings: Mfr=1, Product=2, SerialNumber=3 Aug 29 10:37:26 insitu kernel: [ 3013.198526] usb 1-8: Product: SAMSUNG_Android Aug 29 10:37:26 insitu kernel: [ 3013.198527] usb 1-8: Manufacturer: SAMSUNG Aug 29 10:37:26 insitu kernel: [ 3013.198529] usb 1-8: SerialNumber: dd8450b3050d150f Aug 29 10:37:26 insitu upowerd[1596]: unhandled action 'bind' on /sys/devices/pci0000:00/0000:00:10.4/usb1/1-8 Aug 29 10:37:26 insitu dbus-daemon[1442]: [session uid=1000 pid=1442] Activating via systemd: service name='org.gtk.vfs.GPhoto2VolumeMonitor' unit='gvfs-gphoto2-volume-monitor.service' requested by ':1.166' (uid=1000 pid=5547 comm="thunar-volman --device-added /sys/devices/pci0000:" label="unconfined") Aug 29 10:37:26 insitu systemd[1412]: Starting Virtual filesystem service - digital camera monitor... Aug 29 10:37:27 insitu upowerd[1596]: unhandled action 'bind' on /sys/devices/pci0000:00/0000:00:10.4/usb1/1-8/1-8:1.0 Aug 29 10:37:27 insitu upowerd[1596]: unhandled action 'unbind' on /sys/devices/pci0000:00/0000:00:10.4/usb1/1-8/1-8:1.0 Aug 29 10:37:27 insitu dbus-daemon[1442]: [session uid=1000 pid=1442] Successfully activated service 'org.gtk.vfs.GPhoto2VolumeMonitor' Aug 29 10:37:27 insitu systemd[1412]: Started Virtual filesystem service - digital camera monitor. Aug 29 10:37:27 insitu dbus-daemon[1442]: [session uid=1000 pid=1442] Activating via systemd: service name='org.gtk.vfs.MTPVolumeMonitor' unit='gvfs-mtp-volume-monitor.service' requested by ':1.166' (uid=1000 pid=5547 comm="thunar-volman --device-added /sys/devices/pci0000:" label="unconfined") Aug 29 10:37:27 insitu systemd[1412]: Starting Virtual filesystem service - Media Transfer Protocol monitor... Aug 29 10:37:27 insitu dbus-daemon[1442]: [session uid=1000 pid=1442] Successfully activated service 'org.gtk.vfs.MTPVolumeMonitor' Aug 29 10:37:27 insitu systemd[1412]: Started Virtual filesystem service - Media Transfer Protocol monitor. Aug 29 10:37:27 insitu dbus-daemon[1442]: [session uid=1000 pid=1442] Activating via systemd: service name='org.gtk.vfs.AfcVolumeMonitor' unit='gvfs-afc-volume-monitor.service' requested by ':1.166' (uid=1000 pid=5547 comm="thunar-volman --device-added /sys/devices/pci0000:" label="unconfined") Aug 29 10:37:27 insitu systemd[1412]: Starting Virtual filesystem service - Apple File Conduit monitor... Aug 29 10:37:27 insitu gvfs-afc-volume-monitor[5563]: Volume monitor alive Aug 29 10:37:27 insitu dbus-daemon[1442]: [session uid=1000 pid=1442] Successfully activated service 'org.gtk.vfs.AfcVolumeMonitor' Aug 29 10:37:27 insitu systemd[1412]: Started Virtual filesystem service - Apple File Conduit monitor. Aug 29 10:37:27 insitu dbus-daemon[1442]: [session uid=1000 pid=1442] Activating via systemd: service name='org.gtk.vfs.GoaVolumeMonitor' unit='gvfs-goa-volume-monitor.service' requested by ':1.166' (uid=1000 pid=5547 comm="thunar-volman --device-added /sys/devices/pci0000:" label="unconfined") Aug 29 10:37:27 insitu systemd[1412]: Starting Virtual filesystem service - GNOME Online Accounts monitor... Aug 29 10:37:27 insitu dbus-daemon[1442]: [session uid=1000 pid=1442] Successfully activated service 'org.gtk.vfs.GoaVolumeMonitor' Aug 29 10:37:27 insitu systemd[1412]: Started Virtual filesystem service - GNOME Online Accounts monitor. Aug 29 10:37:30 insitu kernel: [ 3017.125447] usb 1-8: USB disconnect, device number 10 Aug 29 10:37:30 insitu upowerd[1596]: unhandled action 'unbind' on /sys/devices/pci0000:00/0000:00:10.4/usb1/1-8 Aug 29 10:37:30 insitu kernel: [ 3017.472017] usb 1-8: new high-speed USB device number 11 using ehci-pci Aug 29 10:37:30 insitu kernel: [ 3017.633007] usb 1-8: New USB device found, idVendor=04e8, idProduct=6860 Aug 29 10:37:30 insitu kernel: [ 3017.633012] usb 1-8: New USB device strings: Mfr=1, Product=2, SerialNumber=3 Aug 29 10:37:30 insitu kernel: [ 3017.633013] usb 1-8: Product: SAMSUNG_Android Aug 29 10:37:30 insitu kernel: [ 3017.633015] usb 1-8: Manufacturer: SAMSUNG Aug 29 10:37:30 insitu kernel: [ 3017.633017] usb 1-8: SerialNumber: dd8450b3050d150f Aug 29 10:37:30 insitu upowerd[1596]: unhandled action 'bind' on /sys/devices/pci0000:00/0000:00:10.4/usb1/1-8 I can't seem to mount manually: $ mtpfs mnt Listing raw device(s) Device 0 (VID=04e8 and PID=6860) is a Samsung Galaxy models (MTP). Found 1 device(s): Samsung: Galaxy models (MTP) (04e8:6860) @ bus 1, dev 11 Attempting to connect device Listing File Information on Device with name: Tabby $ ls mnt ls: cannot access 'mnt': Transport endpoint is not connected -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1789518 Title: automounting MTP or USB storage devices no longer works. Status in linux package in Ubuntu: Confirmed Bug description: After upgrading from xenial to bionic, USB (both MTP and mass storage) devices will not automount. syslog shows the usb device is found and recognized as a storage device: Aug 28 16:49:18 insitu kernel: [ 4412.072025] usb 1-8: new high-speed USB device number 18 using ehci-pci Aug 28 16:49:19 insitu kernel: [ 4412.229198] usb 1-8: New USB device found, idVendor=0421, idProduct=01c7 Aug 28 16:49:19 insitu kernel: [ 4412.229202] usb 1-8: New USB device strings: Mfr=1, Product=2, SerialNumber=3 Aug 28 16:49:19 insitu kernel: [ 4412.229204] usb 1-8: Product: N900 (Storage Mode) Aug 28 16:49:19 insitu kernel: [ 4412.229206] usb 1-8: Manufacturer: Nokia Aug 28 16:49:19 insitu kernel: [ 4412.229211] usb 1-8: SerialNumber: 372041756775 Aug 28 16:49:19 insitu kernel: [ 4412.231642] usb-storage 1-8:1.0: USB Mass Storage device detected Aug 28 16:49:19 insitu kernel: [ 4412.233887] scsi host7: usb-storage 1-8:1.0 Aug 28 16:49:19 insitu mtp-probe: checking bus 1, device 18: "/sys/devices/pci0000:00/0000:00:10.4/usb1/1-8" Aug 28 16:49:19 insitu mtp-probe: bus: 1, device: 18 was not an MTP device Aug 28 16:49:19 insitu upowerd[1485]: unhandled action 'bind' on /sys/devices/pci0000:00/0000:00:10.4/usb1/1-8/1-8:1.0 Aug 28 16:49:19 insitu upowerd[1485]: unhandled action 'bind' on /sys/devices/pci0000:00/0000:00:10.4/usb1/1-8 Aug 28 16:49:20 insitu kernel: [ 4413.251860] scsi 7:0:0:0: Direct-Access Nokia N900 031 PQ: 0 ANSI: 2 Aug 28 16:49:20 insitu kernel: [ 4413.252743] scsi 7:0:0:1: Direct-Access Nokia N900 031 PQ: 0 ANSI: 2 Aug 28 16:49:20 insitu kernel: [ 4413.254638] sd 7:0:0:0: Attached scsi generic sg3 type 0 Aug 28 16:49:20 insitu kernel: [ 4413.254946] sd 7:0:0:1: Attached scsi generic sg4 type 0 Aug 28 16:49:20 insitu kernel: [ 4413.255201] sd 7:0:0:0: Power-on or device reset occurred Aug 28 16:49:20 insitu kernel: [ 4413.255822] sd 7:0:0:1: Power-on or device reset occurred Aug 28 16:49:20 insitu kernel: [ 4413.260481] sd 7:0:0:1: [sdd] Attached SCSI removable disk Aug 28 16:49:20 insitu kernel: [ 4413.261109] sd 7:0:0:0: [sdc] Attached SCSI removable disk Aug 28 16:49:26 insitu kernel: [ 4419.523221] sd 7:0:0:0: [sdc] 56631296 512-byte logical blocks: (29.0 GB/27.0 GiB) Aug 28 16:49:26 insitu kernel: [ 4419.523952] sd 7:0:0:0: [sdc] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA Aug 28 16:49:26 insitu kernel: [ 4419.719652] sdc: sdc is never mounted; I can mount it manually with: sudo mount /dev/sdc /mnt/ ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: linux-image-4.15.0-32-generic 4.15.0-32.35 ProcVersionSignature: Ubuntu 4.15.0-32.35-generic 4.15.18 Uname: Linux 4.15.0-32-generic x86_64 ApportVersion: 2.20.9-0ubuntu7.2 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: bbogart 1490 F.... pulseaudio CurrentDesktop: XFCE Date: Tue Aug 28 16:45:48 2018 GvfsMonitorError: This tool has been deprecated, use 'gio mount' instead. See 'gio help mount' for more info. GvfsMonitorLog: Monitoring events. Press Ctrl+C to quit. HibernationDevice: RESUME=UUID=13df1544-3ecd-4a0b-bea6-347f3f27871d HotplugNewDevices: HotplugNewMounts: InstallationDate: Installed on 2010-11-05 (2853 days ago) InstallationMedia: Ubuntu 10.04.1 LTS "Lucid Lynx" - Release amd64 (20100816.1) IwConfig: lo no wireless extensions. eth0 no wireless extensions. MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M. ProcFB: 0 nouveaufb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-32-generic root=UUID=0ab4bde0-8376-4cbe-9bc0-af6c3a7936bd ro quiet splash vt.handoff=1 RelatedPackageVersions: linux-restricted-modules-4.15.0-32-generic N/A linux-backports-modules-4.15.0-32-generic N/A linux-firmware 1.173.1 RfKill: SourcePackage: linux Symptom: storage UpgradeStatus: Upgraded to bionic on 2018-08-16 (12 days ago) dmi.bios.date: 10/06/2005 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 1015.002 dmi.board.name: A8V Deluxe dmi.board.vendor: ASUSTeK Computer Inc. dmi.board.version: Rev 1.xx dmi.chassis.asset.tag: Asset-1234567890 dmi.chassis.type: 3 dmi.chassis.vendor: Chassis Manufacture dmi.chassis.version: Chassis Version dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1015.002:bd10/06/2005:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASUSTeKComputerInc.:rnA8VDeluxe:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion: dmi.product.name: To Be Filled By O.E.M. dmi.product.version: To Be Filled By O.E.M. dmi.sys.vendor: To Be Filled By O.E.M. 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