Dear Maintainers and others
I can also confirm this problem in Jessie. Gstreamer itself is working
fine, totem can play all kinds of videos. I suspect it is a
GstThumbnailer problem. In short, error messages complains about gst,
and disabling GstThumbnailer fixed this segfault and thumbnailing works
afterwards.
*Error Messages*
1. I used the following command in terminal to listen to the error
message: /usr/lib/x86_64-linux-gnu/tumbler-1/tumblerd. Enter the
command and proceed to step 2.
2. Then, open thunar, browse any directory containing video file(s), be
it flv, mp4, mpg.
3. No thumbnails are generated in thunar. Meantime, the tumberd
segfaults and the terminal produces the following messages:
"
(tumblerd:5466): GLib-GObject-CRITICAL **: g_object_set: assertion
`G_IS_OBJECT (object)' failed
(tumblerd:5466): GStreamer-CRITICAL **: gst_element_set_state:
assertion `GST_IS_ELEMENT (element)' failed
(tumblerd:5466): GStreamer-CRITICAL **: gst_element_get_bus:
assertion `GST_IS_ELEMENT (element)' failed
(tumblerd:5466): GStreamer-CRITICAL **: gst_bus_timed_pop_filtered:
assertion `GST_IS_BUS (bus)' failed
Segmentation fault
"
*Possible fix*
I edited tumbler.rc file in /etc/xdg/tumbler to disable the gst plugin
1. sudo nano /etc/xdg/tumbler/tumbler.rc
2. Go to "GStreamer plugin" section:
"
# GStreamer plugin
[GstThumbnailer]
Disabled=false
Priority=1
Locations=
MaxFileSize=0
"
Change "Disabled=false" to "Disabled=true"
3. Install tumbler-plugins-extra
4. Enjoy (No logout login is required; refreshing thunar will do)
BTW, I stumbled into a discussion about disabling certain thumbnailers
online, and this is how I figured it might help to modify tumbler.rc.
Sorry, I don't know how to produce the "System Information". Sorry.
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