I recently installed Android x86, using ~~99 GB free space on an old drive, partitioning it into /dev/sdb3.

After reinstalling grub (accidentally selected "yes install grub" in the installation menu), Android x86 refused to boot. It just gets stuck at "Detecting Android x86"

Debug mode mentioned two errors:

"VFS: could not find a valid V7 on sdb3"


"EXT3-fs (loop0): error: couldn't mount because of unsupported optional features".

How do I fix these? It works fine with the version of grub that the installer provides.

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