Hi Joseph,

On 18/10/2012, Joseph Bylund <[email protected]> wrote:
> I'm getting an infinite loop in shotwell on "writing metadata to
> files".  Anyone else seen this behavior?

Unfortunately, people have reported this in the past, and, although we
did deploy what we thought was a fix at the time (please have a look
at http://redmine.yorba.org/issues/4297), it seems that there is at
least one alternate reproduction path that the patch doesn't correctly
handle.

The original problem was that, due to the way hierarchical tags are
written out to images, Shotwell would become confused over
fully-qualified vs. 'shortened form' tags and unable to detect that
something like
  /entomology/insects/ants
   ...and...
  'ants'
referred to the same tag, and because it didn't see the former in the
file it was trying to save to, it would repeatedly write the latter.

> The files can be found here: http://www.columbia.edu/~jhb2147/shotwell/

Thanks for that; perhaps there's some clue within the tags/keywords
fields in the image headers.

> Permissions I guess are ok (this is on my home machine)?
> -rw------- 1 jbylund ants 2023130 Oct 18 16:04 12_1.jpg
> -rw-r--r-- 1 jbylund ants 2023130 Oct 18 16:04 12_1_modified.jpg

The permissions look about right for something in one's home
directory; that's almost certainly not the problem.

> Thanks,
> -Joe

Thank you for taking time to share some affected files with us;
hopefully, we'll be able to trigger the problem, and, with that, cook
up a suitable fix.

Cheers,
-c
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