linux系统挂载U盘报错 Invalid argument |
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之前移植LVGL，挂载U盘时会有报错 ~ # mount /dev/sda /mnt/udisk/ mount: mounting /dev/sda on /mnt/udisk/ failed: Invalid argument重新插拔U盘 ~ # [ 231.468732] usb 1-3.1: USB disconnect, device number 6 [ 236.025337] usb 1-3.1: new high speed USB device number 7 using s5p-ehci [ 236.139977] usb 1-3.1: New USB device found, idVendor=05e3, idProduct=0751, bcdDevice=1402 [ 236.147002] usb 1-3.1: New USB device strings: Mfr=3, Product=4, SerialNumber=0 [ 236.154230] usb 1-3.1: New USB device Class: Class=0, SubClass=0, Protocol=0 [ 236.161214] usb 1-3.1: Product: USB Storage [ 236.165373] usb 1-3.1: Manufacturer: USB Storage [ 236.192079] scsi3 : usb-storage 1-3.1:1.0 [ 237.216512] scsi 3:0:0:0: Direct-Access Generic STORAGE DEVICE 1402 PQ: 0 ANSI: 6 [ 237.236588] sd 3:0:0:0: Attached scsi generic sg0 type 0 [ 237.325231] sd 3:0:0:0: [sda] 30318592 512-byte logical blocks: (15.5 GB/14.4 GiB) [ 237.333092] sd 3:0:0:0: [sda] Write Protect is off [ 237.337717] sd 3:0:0:0: [sda] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA [ 237.352243] sda: sda1 sda2 sda3 sda4 [ 237.373352] sd 3:0:0:0: [sda] Attached SCSI removable disk输入fdisk -l命令查看： ~ # fdisk -l Disk /dev/mmcblk0: 7818 MB, 7818182656 bytes 253 heads, 59 sectors/track, 1022 cylinders Units = cylinders of 14927 * 512 = 7642624 bytes Device Boot Start End Blocks Id System /dev/mmcblk0p1 328 1020 5172205+ c Win95 FAT32 (LBA) /dev/mmcblk0p2 4 144 1052353+ 83 Linux /dev/mmcblk0p3 145 285 1052353+ 83 Linux /dev/mmcblk0p4 286 327 313467 83 Linux Partition table entries are not in disk order Disk /dev/sda: 15.5 GB, 15523119104 bytes 255 heads, 63 sectors/track, 1887 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sda1 123 1880 14106624 c Win95 FAT32 (LBA) /dev/sda2 9 47 307200 83 Linux /dev/sda3 47 85 307200 83 Linux /dev/sda4 85 123 307200 83 Linux Partition table entries are not in disk order直接挂载/dev/sda1 ~ # mount /dev/sda1 /mnt/udisk/ mount: mounting /dev/sda1 on /mnt/udisk/ failed: No such file or directory查看/dev ~ # ls /dev/sd sda sdcard/dev中没有sda1这个设备节点 上网查了很多方法，最后找到的解决方法如下： 手动创建sda1设备节点： ~ # mknod /dev/sda1 b 8 1重新挂载U盘 ~ # mount /dev/sda1 /mnt/udisk/ ~ # ls /mnt/udisk/ player挂载成功 |
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