Can DFly mount ext4?

Alex Hornung ahornung at
Sun Jun 26 22:06:18 PDT 2011

To keep it short, no. There might be some ext4 fs that it might be able
to mount (with specific inode size, lacking all sorts of ext4 features,
etc), but in the general case it's not possible.

I'd recommend you grab your ubuntu CD, start the live system and fix it
from there.


On 27/06/11 01:44, Pierre Abbat wrote:
> A friend gave me an Ubuntu laptop which I proceeded to install a few programs 
> on and then hose. It came with a user "a" which I decided to change 
> to "phma". I renamed the home directory, edited /etc/passwd and /etc/group, 
> and rebooted. I had forgotten to edit /etc/shadow, so I can't log in. It's 
> set up to show "Ubuntu" and four dots instead of a GRUB prompt. I tried 
> mounting it in the USB enclosure on my Linux box; it said "unsupported 
> features", which a bit of googling tells me means it's an ext4 filesystem. I 
> try mounting it on DragonFly as ext2fs and get "invalid argument". Is there a 
> way to mount ext4fs?
> Pierre

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