[Buildroot] mkfs.ext4: Could not allocate block in ext2 filesystem while populating file system

[Andreas Ziegler]

> Subject: [Buildroot] mkfs.ext4: Could not allocate block in ext2
> 	filesystem while populating file system
> Message-ID:
> 	<AM0PR10MB2433AA0D0ED377CB19D8F22A82100 at AM0PR10MB2433.EURPRD10.PROD.OUTLOOK.COM>

Hi Kevin,

Check the hint directly below the error message:

> mkfs.ext4: Could not allocate block in ext2 filesystem while
> populating file system
> *** Maybe you need to increase the filesystem size 
> (BR2_TARGET_ROOTFS_EXT2_SIZE)

Your new root filesystem is larger than the default space in the image, 
which is specified in the buildroot config.

Regards,
Andreas