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基于訊為4412開發板： 插上U盤 [ 2407.650440] usb 1-3.3: new high speed USB device number 7 using s5p-ehci
[ 2407.887332] usb 1-3.3: New USB device found， idVendor=0951， idProduct=1666， bcdDevice=0100
[ 2407.894249] usb 1-3.3: New USB device strings: Mfr=1， Product=2， SerialNumber=3
[ 2407.901651] usb 1-3.3: New USB device Class: class="0"， SubClass=0， Protocol=0
[ 2407.908558] usb 1-3.3: Product: DataTraveler 3.0
[ 2407.913150] usb 1-3.3: Manufacturer: Kingston
[ 2407.917488] usb 1-3.3: SerialNumber: 50E5495131F7B0A0495A3E9A
[ 2407.945454] scsi3 : usb-storage 1-3.3:1.0
[ 2408.981773] scsi 3:0:0:0: Direct-Access Kingston DataTraveler 3.0 PMAP PQ: 0 ANSI: 6
[ 2409.002820] sd 3:0:0:0: Attached scsi generic sg0 type 0
[ 2410.472934] sd 3:0:0:0: [sda] 60632064 512-byte logical blocks: （31.0 GB/28.9 GiB）
[ 2410.482241] sd 3:0:0:0: [sda] Write Protect is off
[ 2410.486619] sd 3:0:0:0: [sda] No Caching mode page present
[ 2410.491237] sd 3:0:0:0: [sda] Assuming drive cache: write through
[ 2410.503131] sd 3:0:0:0: [sda] No Caching mode page present
[ 2410.507269] sd 3:0:0:0: [sda] Assuming drive cache: write through
[ 2410.527868] sda: sda1
[ 2410.549386] sd 3:0:0:0: [sda] No Caching mode page present
[ 2410.553692] sd 3:0:0:0: [sda] Assuming drive cache: write through
[ 2410.585133] sd 3:0:0:0: [sda] Attached SCSI removable disk
掛載U盤失敗 ~ # mount /dev/sda1 /mnt/udisk/
mount: mounting /dev/sda1 on /mnt/udisk/ failed: No such device or address
~ # mount /dev/sda /mnt/udisk/
mount: mounting /dev/sda on /mnt/udisk/ failed: Invalid argument
查看/dev ~ # ls /dev/
/dev中沒有sdb1這個設備節點
手動創建節點 ~ # mknod /dev/sda1 b 8 1
掛載U盤 ~ # mknod /dev/sda1 b 8 1
~ # mount /dev/sda1 /mnt/udisk/
~ # ls /mnt/udisk/
Linux
掛載U盤成功
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