I'm pulling my hair out over this one. Ever since I upgraded to 15.04 beta a month or so ago (and continuously updated since then), my usb devices have not automounted. I get the pop-up in the Device Notifier, and when I click on Open with File Manager, the devices will open, but they refuse to mount automatically. I don't have anything in fstab, and no udev rules. Older advice points to having Removable Device Automounter launch as a service at boot, but I don't appear to have that service anymore.

The system sees the devices in syslog and journalctl, they just don't mount. Devices are formatted a variety of ways, FAT and HPFS. Launching kcmshell4 device_automounter_kcm via command line fails to list any devices at all, and the various checkboxes have no effect.

output of syslog:

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Apr 27 14:29:42 lepore-desktop kernel: [ 3542.370530] usb 5-3: new high-speed USB device number 15 using ehci-pci
Apr 27 14:29:42 lepore-desktop kernel: [ 3542.503268] usb 5-3: New USB device found, idVendor=0781, idProduct=5406
Apr 27 14:29:42 lepore-desktop kernel: [ 3542.503280] usb 5-3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
Apr 27 14:29:42 lepore-desktop kernel: [ 3542.503288] usb 5-3: Product: U3 Cruzer Micro
Apr 27 14:29:42 lepore-desktop kernel: [ 3542.503295] usb 5-3: Manufacturer: SanDisk Corporation
Apr 27 14:29:42 lepore-desktop kernel: [ 3542.503301] usb 5-3: SerialNumber: 00001564CB6018D5
Apr 27 14:29:42 lepore-desktop kernel: [ 3542.503910] usb-storage 5-3:1.0: USB Mass Storage device detected
Apr 27 14:29:42 lepore-desktop kernel: [ 3542.504115] scsi host20: usb-storage 5-3:1.0
Apr 27 14:29:42 lepore-desktop mtp-probe: checking bus 5, device 15: "/sys/devices/pci0000:00/0000:00:16.2/usb5/5-3"
Apr 27 14:29:42 lepore-desktop mtp-probe: bus: 5, device: 15 was not an MTP device
Apr 27 14:29:43 lepore-desktop kernel: [ 3543.502627] scsi 20:0:0:0: Direct-Access     SanDisk  U3 Cruzer Micro  3.27 PQ: 0 ANSI: 2
Apr 27 14:29:43 lepore-desktop kernel: [ 3543.503406] sd 20:0:0:0: Attached scsi generic sg3 type 0
Apr 27 14:29:43 lepore-desktop kernel: [ 3543.504372] sd 20:0:0:0: [sdc] 8027790 512-byte logical blocks: (4.11 GB/3.82 GiB)
Apr 27 14:29:43 lepore-desktop kernel: [ 3543.504982] sd 20:0:0:0: [sdc] Write Protect is off
Apr 27 14:29:43 lepore-desktop kernel: [ 3543.504994] sd 20:0:0:0: [sdc] Mode Sense: 03 00 00 00
Apr 27 14:29:43 lepore-desktop kernel: [ 3543.505603] sd 20:0:0:0: [sdc] No Caching mode page found
Apr 27 14:29:43 lepore-desktop kernel: [ 3543.505616] sd 20:0:0:0: [sdc] Assuming drive cache: write through
Apr 27 14:29:43 lepore-desktop kernel: [ 3543.515268]  sdc: sdc1
Apr 27 14:29:43 lepore-desktop kernel: [ 3543.518723] sd 20:0:0:0: [sdc] Attached SCSI removable disk


output of fdisk- -l:

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Disk /dev/sdc: 3.8 GiB, 4110228480 bytes, 8027790 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x5e3ef6c4

Device     Boot Start     End Sectors  Size Id Type
/dev/sdc1  *       63 8027789 8027727  3.8G  7 HPFS/NTFS/exFAT


lsusb

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lsusb
Bus 005 Device 014: ID 0781:5406 SanDisk Corp. Cruzer Micro U3


Any ideas would be greatly appreciated, thanks!