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 Unknown filesystem
#1
I have created an entry in ventoy_grub.cfg for booting void linux from /dev/sda6 on a Ventoy disk, but get an error msg:-

error: unknown filesystem.
error: you need to load the kernel first.

The same grub.cfg works fine when I try booting from a non-Ventoy disk.

Can someone explain what is going on and how to overcome this error?
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#2
I created an additional ext4 partition which I have no problems mounting when booting from another system, but Ventoy says 'unknown filesystem'.

What could be the problem?

A response would be gratefully received.
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#3
1. upload your ventoy_grub.cfg here
2. In Ventoy boot menu,  press c to enter grub shell  and  run ls -l and upload the result (picture) here
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#4
(10-12-2023, 09:29 AM)longpanda Wrote: 1. upload your ventoy_grub.cfg here
2. In Ventoy boot menu,  press c to enter grub shell  and  run ls -l and upload the result (picture) here
Can I save the output to a file?

For partition 9 it says:-

Partition hd0,gpt9: No known filesystem detected -
Partition start at 223237120KiB - Total size 10485760KiB

This is actually a 10GB ext4 partition with exactly the same contents as partition 8 which boots without problem, and can be mounted normally from part 8 and everything looks fine.

I also have parts 10 and 11 and they boot fine.
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#5
(10-31-2023, 12:28 PM)balanga Wrote:
(10-12-2023, 09:29 AM)longpanda Wrote: 1. upload your ventoy_grub.cfg here
2. In Ventoy boot menu,  press c to enter grub shell  and  run ls -l and upload the result (picture) here
Can I save the output to a file?

For partition 9 it says:-

Partition hd0,gpt9: No known filesystem detected -
Partition start at 223237120KiB - Total size 10485760KiB

This is actually a 10GB ext4 partition with exactly the same contents as partition 8 which boots without problem, and can be mounted normally from part 8 and everything looks fine.

I also have parts 10 and 11 and they boot fine.

I have just added another ext4 partition and formatted it but I can't boot from that one either. Ventoy shows 'No known filesystem detected'.

Is there any way to save the output from 'ls -l' ? I can't all the information on the screen, and it looks there is no 'more' or 'less' command available so can't see what has scrolled off the screen.

Any chance of a reply? I've patiently waited to solve this problem since July and it is now November.
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#6
Only ext4 file system has such problem?
Did you try ext2 ext3 xfs exfat ntfs file system on the same partition?
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