最近未检测到我的USB，我试过了mount，fdisk，dd，gparted，mkfs.vfat
:~# tail -f /var/log/syslog
Oct 27 12:54:29 mohammad-Inspiron-N5110 kernel: [18843.105772] usb 3-2: New USB device strings: Mfr=0, Product=0, SerialNumber=0
Oct 27 12:54:29 mohammad-Inspiron-N5110 kernel: [18843.107485] scsi31 : usb-storage 3-2:1.0
Oct 27 12:54:29 mohammad-Inspiron-N5110 mtp-probe: checking bus 3, device 13: "/sys/devices/pci0000:00/0000:00:1c.4/0000:0b:00.0/usb3/3-2"
Oct 27 12:54:29 mohammad-Inspiron-N5110 mtp-probe: bus: 3, device: 13 was not an MTP device
Oct 27 12:54:30 mohammad-Inspiron-N5110 kernel: [18844.104912] scsi 31:0:0:0: Direct-Access USBest USB2FlashStorage 0.00 PQ: 0 ANSI: 2 …