Re: [fuse-devel] Bug report: ntfs3g process dies frequently with fuse 2.9.1

[Jean-Pierre A. <jea...@wa...>]

Hi Christoph,

Christoph LANGE wrote:
> Dear fuse developers,
>
> I hope I'll be able to report a bug this way.  I'm not sufficiently
> knowledgeable to really get involved into the _development_ of fuse, so
> I don't want to _subscribe_ to this list and hope you'll accept this
> post.  (Maybe the project homepage should provide clearer instructions
> on how to report bugs.)
>
> So there may have been a regression in fuse 2.9.1 compared to the 2.8
> series.  I heavily rely on a fuse-mounted ntfs3g file system, using
> ntfs3g-2012.1.15.  Until recently this has worked without any problems,
> but as soon as I upgraded to fuse 2.9.1 the ntfs3g process frequently
> died.  The symptom has been described at
> https://bbs.archlinux.org/viewtopic.php?id=146157 (where the reason was
> probably a different one).  Basically, the ntfs3g process dies, while
> many other processes still have files opened on the fuse-mounted ntfs3g
> volume, resulting in error messages such as
>
> cannot access /mnt/data: Transport endpoint is not connected
>    

This means the fuse process has hung.

You did not give details, but a frequent cause for
this on fuse 2.9.0 and 2.9.1 is covered by the fix described
in 
http://fuse.git.sourceforge.net/git/gitweb.cgi?p=fuse/fuse;a=commit;h=1061a0a2d90148bd2e7f32e1e694399db2dbe087

> Therefore umount doesn't work.  umount -l of course works, but executing
> mount once more still leaves me with the error.  So I only found
> rebooting an effective solution.
>
> OK, so this is possibly a bug with ntfs3g-2012.1.15 no longer being
> compatible with fuse 2.9, which might require package maintainers to fix
> their dependencies.  Or it is a regression in fuse.  So for now I will
> only report the bug here.  But if you ask me to file it with ntfs3g or
> with my distribution (Gentoo), I will happily do so.
>
> I have now downgraded to fuse 2.8.6 and hope that that temporarily fixes
> the problem.
>    

Or upgrade to the latest fuse version with all the bug fixes.

Regards

Jean-Pierre