Re: msdosfs: Lookup of some existing files fails when mounting with long names

Peter Pentchev <[email protected]> Thu, 21 May 2026 18:11:56 +0300

Newsgroups	gmane.os.freebsd.devel.hackers
Message-ID	<[email protected]>

On Thu, May 21, 2026 at 11:31:27AM +0200, Fabian Keil wrote:
> I recently got an USB stick which contains a bunch of mp4 files
> that I want to watch on an ElectroBSD amd64 system currently based
> on stable/15 b718f7d881.
> 
> Unfortunately some of the files can't be looked up when
> mounting the file system with long file names (the default).
> 
> The stick could be copied to a file without problems and the
> issue remains reproducible.
> 
> When the image is mounted with:
> 
>    fk@t520 ~ $sudo mount_msdosfs -m 640 -M 750 -L de_DE.UTF-8 -u youtube -o ro -l /dev/md0p1 /mnt/datentausch/
[snip]
> Mounting the file system without the -L option results in even
> more lookup failures.

So this is totally a wild guess, but can you try it with the -L option,
but specifying a single-byte locale, e.g. de_DE.ISO8859-15?

G'luck,
Peter

-- 
Peter Pentchev  [email protected] [email protected] [email protected]
PGP key:        https://www.ringlet.net/roam/roam.key.asc
Key fingerprint 2EE7 A7A5 17FC 124C F115  C354 651E EFB0 2527 DF13

signature.asc (application/pgp-signature, 833 B)