G4JC - 2015-05-12

Confirming. Cruzers appear to be unsupported.

Model: SDCZ30-064G (Cruzer Glide 64GB)

u3_enable_security() failed: Failed reading data partition info: Device reported command failed: status 1
[user@localhost ~]$ sudo u3-tool -D /dev/sdc1
u3_partition_info() failed: Device reported command failed: status 1
u3_data_partition_info() failed: Device reported command failed: status 1
u3_chip_info() failed: Device reported command failed: status 1
u3_read_device_property() failed for property 0x03: Header of property 0x0003 could not be read.
u3_read_device_property() failed for property 0x0C: Header of property 0x000C could not be read.
[user@localhost ~]$ lsusb
Bus 002 Device 002: ID 0781:5575 SanDisk Corp.
[user@localhost ~]$ sudo dmesg
[ 3391.569853] usb 2-2: new high-speed USB device number 5 using ehci-pci
[ 3391.694206] usb-storage 2-2:1.0: USB Mass Storage device detected
[ 3391.694716] scsi host11: usb-storage 2-2:1.0
[ 3392.696710] scsi 11:0:0:0: Direct-Access SanDisk Cruzer Glide 1.27 PQ: 0 ANSI: 6
[ 3392.698238] sd 11:0:0:0: [sdc] 125031680 512-byte logical blocks: (64.0 GB/59.6 GiB)
[ 3392.699709] sd 11:0:0:0: [sdc] Write Protect is off
[ 3392.699717] sd 11:0:0:0: [sdc] Mode Sense: 43 00 00 00
[ 3392.700838] sd 11:0:0:0: [sdc] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA
[ 3392.711052] sdc: sdc1
[ 3392.715056] sd 11:0:0:0: [sdc] Attached SCSI removable disk