shotwell

Thanks, Marko. Do you have the package libc6-dbg installed? If not, could you install it and generate yet another shotwell.gdb? :)

I have copied and deleted files so long that I found exactly one file which always crashes shotwell. I have now only one file in Pictures folder and shotwell crashes every time. If that file is not there shotwell works.

Because the movie is private I would not like to attach it to this report but I can send it via e-mail to the person who wants to investigate the bug. It is only 2Mb long.

Marko, that's great news. Please email the video to shotwell@yorba.org - that will go only to the Shotwell team at Yorba. Thanks!

Lucas, where do we stand with this bug? A few users have reported it and it prevents them from running Shotwell. I think investigating this should be a high priority.

This was causing some problems for me, too. I didn't some investigation; my backtraces look similar to the ones posted above. I identified some .mov files that were causing this problem. The files seemed to be quicktime files with no video stream (just audio). I ran the thumbnailer on these files directly from a shell--the thumbnailer doesn't crash, it just exits with error code three. I'm not sure why when the thumbnailer runs as a forked process things seem to go differently. I don't have a whole lot of experience debugging multi-threaded/multi-process programs, so I wasn't sure what else to look at.

I'd be happy to continue investigating if someone can give me some pointers or guidance on where to look next.

I also managed to isolate the video causing the error. I can send it, if it helps.

It crashes the shotwell-video-thumbnailer and totem. Vlc is fine.

I cannot reproduce the crash again in shotwell. When I copy the video back to the image folder or if I import the video, shotwell processes it, but does not add it into the db (this is probably the correct way to handle unreadable files). It seems that the thumbnailer isolation mechanism works when importing a new video, but it fails when the video is already in the database.

I also managed to isolate two mpeg video version 1 videos with mpeg version 1 layer 2 audio that make shotwell crash. A third one works fine.
The two files crash Totem as well. VLC works fine.
Please let me know whether you want me to send the files to you or upload them to a file sharing server.

Zac, komatsu and Harry: yes, please email the video files to shotwell@yorba.org so we can investigate more. Please include "bug 5252" in the email subject. Thanks!

Filed upstream as https://bugzilla.gnome.org/show_bug.cgi?id=683053

Matěj Šmíd emailed a link to an additional video he says causes this problem:

http://dl.dropbox.com/u/107763/HPIM1239.MPG

On the other hand VLC player is not crashing with the same video. Couldn't there be a workaround. It seems that waiting for gstreamer fix will take a long time.

VLC doesn't use gstreamer, which is why it doesn't crash. I agree, it's frustrating that gstreamer hasn't taken care of this. I did post another comment to the ticket with a link to the video file. They have an easy repro case now, I'm hoping that encourages them to handle it soon.