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No Fat FS detected #1815
Description
hi3518ev100 platform
u-boot # fatinfo mmc 0:1
Interface: MMC
Device 0: Vendor: Man 275048 Snr 00000872 Rev: 6.0 Prod: SD32G
Type: Removable Hard Disk
Capacity: 29554.0 MB = 28.8 GB (60526592 x 512)
No valid FAT fs found
u-boot #
u-boot # fatls mmc 0:1
No Fat FS detected
u-boot #
u-boot #
u-boot #
u-boot #
u-boot #
u-boot #
u-boot #
u-boot # mmc rescan
u-boot #
u-boot #
u-boot #
u-boot # fatls mmc 0:1
No Fat FS detected
Activity
VictorDrijkoningen commentedon Jul 11, 2025
Did you try using the web interface to format the sdcard?
openipc-ai commentedon Oct 26, 2026
Closing as stale. The question about formatting the card above never got an answer.
No valid FAT fs foundfrom U-Boot usually means the first partition isn't FAT32. Cards of 64 GB and up often ship as exFAT, and many 32 GB cards come with no partition table at all. U-Boot reads only FAT.If the card fails even after you format it as FAT32 in an MBR partition table, comment here with the output of
mmc infoandmmc partfrom U-Boot, and we will reopen it.