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您好:
以下是我们售后团队分析的结果:
4. 建议
找一台PC重新格式化磁盘成exfat格式。然后按照如下操作使用。
3. 结论
- 磁盘本身没有问题
- Jetson设备也没有问题
- 磁盘初始分区存在兼容性问题
1. 首先,把刚买来的U盘不做任何操作,的确是在Mac, X86 Ubuntu都可以识别,但是在Jetson Ubuntu上无法识别。
日志如下,提示磁盘分区存在问题。在开发板上也有同样现象。
- [ 102.982139] usb 2-1: SerialNumber: 523456789831
- [ 102.991792] scsi host2: uas
- [ 102.994648] scsi 2:0:0:0: Direct-Access SanDisk 3.2 Gen 1 0 PQ: 0 ANSI: 6
- [ 103.041089] sd 2:0:0:0: [sda] 241385472 512-byte logical blocks: (124 GB/115 GiB)
- [ 103.041976] sd 2:0:0:0: [sda] Write Protect is off
- [ 103.041987] sd 2:0:0:0: [sda] Mode Sense: 43 00 00 00
- [ 103.043233] sd 2:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
- [ 103.043734] sd 2:0:0:0: [sda] Optimal transfer size 33553920 bytes
- [ 103.048559] Alternate GPT is invalid, using primary GPT.
- [ 103.048577] sda: sda1
- [ 103.050312] sd 2:0:0:0: [sda] Attached SCSI disk
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2. 如果在Mac进行exFat格式化,如图
格式化后插入Jetson平台,dmesg日志如下
- [ 2834.756481] usb 2-1: new SuperSpeed USB device number 7 using tegra-xusb
- [ 2834.779795] usb 2-1: New USB device found, idVendor=0781, idProduct=5588
- [ 2834.779847] usb 2-1: New USB device strings: Mfr=2, Product=3, SerialNumber=1
- [ 2834.779870] usb 2-1: Product: SanDisk 3.2 Gen 1
- [ 2834.779893] usb 2-1: Manufacturer: SanDisk
- [ 2834.779910] usb 2-1: SerialNumber: 523456789831
- [ 2834.793273] scsi host2: uas
- [ 2834.796221] scsi 2:0:0:0: Direct-Access SanDisk 3.2 Gen 1 0 PQ: 0 ANSI: 6
- [ 2834.853167] sd 2:0:0:0: [sda] 241385472 512-byte logical blocks: (124 GB/115 GiB)
- [ 2834.853779] sd 2:0:0:0: [sda] Write Protect is off
- [ 2834.853788] sd 2:0:0:0: [sda] Mode Sense: 43 00 00 00
- [ 2834.854097] sd 2:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
- [ 2834.854539] sd 2:0:0:0: [sda] Optimal transfer size 33553920 bytes
- [ 2834.863798] sda: sda1 sda2
- [ 2834.865952] sd 2:0:0:0: [sda] Attached SCSI disk
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安装exfat-fuse后,执行mount命令后,可以识别磁盘。
- Disk /dev/sda: 115.1 GiB, 123589361664 bytes, 241385472 sectors
- Units: sectors of 1 * 512 = 512 bytes
- Sector size (logical/physical): 512 bytes / 512 bytes
- I/O size (minimum/optimal): 512 bytes / 33553920 bytes
- Disklabel type: gpt
- Disk identifier: 67DAD1DA-44EC-486E-A9D5-3E82438C6FD8
- Device Start End Sectors Size Type
- /dev/sda1 40 409639 409600 200M EFI System
- /dev/sda2 411648 241383423 240971776 114.9G Microsoft basic data
- nvidia@miivii-tegra:~$ df
- Filesystem 1K-blocks Used Available Use% Mounted on
- /dev/root 28768292 19453676 7830228 72% /
- devtmpfs 3641752 0 3641752 0% /dev
- tmpfs 4022968 52 4022916 1% /dev/shm
- tmpfs 4022968 21188 4001780 1% /run
- tmpfs 5120 4 5116 1% /run/lock
- tmpfs 4022968 0 4022968 0% /sys/fs/cgroup
- tmpfs 804592 16 804576 1% /run/user/120
- tmpfs 804592 0 804592 0% /run/user/1000
- nvidia@miivii-tegra:~$ sudo mount /dev/sda2 miivii
- FUSE exfat 1.2.8
- nvidia@miivii-tegra:~$ df
- Filesystem 1K-blocks Used Available Use% Mounted on
- /dev/root 28768292 19453676 7830228 72% /
- devtmpfs 3641752 0 3641752 0% /dev
- tmpfs 4022968 52 4022916 1% /dev/shm
- tmpfs 4022968 21196 4001772 1% /run
- tmpfs 5120 4 5116 1% /run/lock
- tmpfs 4022968 0 4022968 0% /sys/fs/cgroup
- tmpfs 804592 16 804576 1% /run/user/120
- tmpfs 804592 0 804592 0% /run/user/1000
- /dev/sda2 120485888 16000 120469888 1% /home/nvidia/miivii
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