mounting errors

Mike Frysinger vapier at gentoo.org
Wed Feb 22 03:14:29 UTC 2017


On 21 Feb 2017 16:38, Jody Bruchon wrote:
> On 2017-02-21 4:09 PM, David Henderson wrote:
> > Good afternoon all!  I am using the BB mount command to mount several
> > partitions, but when the command is executed I get:
> >
> > EXT4-fs (sde2): couldn't mount as ext3 due to feature incompatibilities
> > EXT4-fs (sde2): couldn't mount as ext2 due to feature incompatibilities
> >
> > The filesystem is indeed ext4, so I'm not sure why it is trying to
> > mount as either of the other two formats.  What could be causing this?
> 
> Are you explicitly mounting as ext4 or is the fs type being 
> automatically probed by mount? This looks like auto-probing trying to 
> mount as ext2 and ext3 before trying ext4.

indeed.  autoprobe logic is controlled via /etc/filesystems and /proc/filesystems.
-mike
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