As an experiment, I added a separate thread to vs-thumb that runs a timer. When the timer fires (after 10 seconds), the thread calls _exit().
When I have one of these stuck vs-thumb processes that is spinning, I see the timer firing. However, _exit() does not terminate the process immediately. I'm seeing the same 30-second delay that I get after SIGKILL. Note that this doesn't happen all the time. Sometimes, the _exit() call works (just as sometimes, the SIGKILL works). But, around 20% of the time, I get this 30-second delay before the process finally exits. -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gstreamer1.0 in Ubuntu. https://bugs.launchpad.net/bugs/1466273 Title: gstreamer fails intermittently Status in Thumbnailer: New Status in gstreamer1.0 package in Ubuntu: New Bug description: gstreamer occasionally fails to extract a thumbnail from a video file. It's clearly a race condition because, almost all of the time, it succeeds. To reproduce: Check out the thumbnailer/devel branch at r217 and build it. Then: cd build/src/vs-thumb ./vs-thumb fd://0 ./x.jpg <../../../tests/media/testvideo.ogg Point a browser at the generated x.jpg file and check that the image was extracted correctly. Now run while ./vs-thumb fd://0 ./x.jpg <../../../tests/media/testvideo.ogg ; do :; done Within maybe a hundred iterations or so, I get: Error creating thumbnail: ThumbnailExtractor: change_state(): reading async messages: GStreamer error: negotiation problem. To manage notifications about this bug go to: https://bugs.launchpad.net/thumbnailer/+bug/1466273/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
