[ 490.261169] scsi7 : usb-storage 3-2:1.0
[ 491.258678] scsi 7:0:0:0: Direct-Access Generic Flash Disk 8.00 PQ: 0 ANSI: 4
[ 491.259140] sd 7:0:0:0: Attached scsi generic sg2 type 0
[ 491.259788] sd 7:0:0:0: [sdc] 62013440 512-byte logical blocks: (31.7 GB/29.5 GiB)
[ 491.260450] sd 7:0:0:0: [sdc] Write Protect is on
[ 491.260455] sd 7:0:0:0: [sdc] Mode Sense: 23 00 80 00
[ 491.263698] sd 7:0:0:0: [sdc] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA
[ 491.267151] sdc: sdc1
[ 491.269202] sd 7:0:0:0: [sdc] Attached SCSI removable disk
[ 491.577094] systemd-hostnamed[14264]: Warning: nss-myhostname is not installed. Changing the local hostname might make it unresolveable. Please install nss-myhostname!
И вот вывод, когда флешка на usb 2.0
[ 193.223683] usb 3-3: new full-speed USB device number 14 using xhci_hcd
[ 193.223795] usb 3-3: Device not responding to setup address.
[ 193.427644] usb 3-3: Device not responding to setup address.
[ 193.631390] usb 3-3: device not accepting address 14, error -71
[ 193.743337] usb 3-3: new full-speed USB device number 15 using xhci_hcd
[ 193.743512] usb 3-3: Device not responding to setup address.
[ 193.947295] usb 3-3: Device not responding to setup address.
[ 194.150991] usb 3-3: device not accepting address 15, error -71
[ 194.151071] usb usb3-port3: unable to enumerate USB device
[ 209.678157] capability: warning: `VirtualBox' uses 32-bit capabilities (legacy support in use)