Red Hat Bugzilla – Bug 584485
[abrt] crash in istanbul-0.2.2-14.fc13: Process /usr/bin/python was killed by signal 6 (SIGABRT)
Last modified: 2011-06-27 11:46:53 EDT
abrt 1.0.9 detected a crash.
Attached file: backtrace
cmdline: /usr/bin/python /usr/bin/istanbul
comment: I'd just started recording a session.
reason: Process /usr/bin/python was killed by signal 6 (SIGABRT)
release: Fedora release 13 (Goddard)
Created attachment 408127 [details]
This was inside a kvm instance. I had the option to record the mouse pointer set.
I bet this is actually a gstreamer issue associated with the istximagesrc gstreamer plugin that istanbul is using. Do you have the gstreamer debuginfo packages installed?
Would you like to help test gstreamer directly for me?
if you run istanbul in a terminal it will give you the final gstreamer pipeline it is using for the recording.
For me it looks like this.
istximagesrc name=videosource display-name=:0.0 screen-num=0 ! video/x-raw-rgb,framerate=10/1 ! videorate ! ffmpegcolorspace ! videoscale method=1 ! video/x-raw-yuv,width=2304,height=1024,framerate=10/1 ! theoraenc ! oggmux name=mux ! filesink location=/tmp/tmpiAtn7Z
Sadly just shell escaping that won't work with the gst-launch process.
Would you help me construct and test a pygst test case to see if its strictly an issue with gstreamer?
I get this:
DEBUG: final pipeline: istximagesrc name=videosource display-name=:0.0 screen-num=0 ! video/x-raw-rgb,framerate=10/1 ! videorate ! ffmpegcolorspace ! videoscale method=1 ! video/x-raw-yuv,width=1024,height=768,framerate=10/1 ! theoraenc ! oggmux name=mux ! filesink location=/tmp/tmpFXORze
i.e. the same as yours but with a different width and height.
I didn't have gstreamer-debuginfo installed but I do now. How can I help with pygst?
I talked to zaheerm upstream. I'm going to pull from git master and see if recently added crasher fixes help you. I'd love for you to retest as soon as it hits koji. If we can get this nailed down before he spins up another release, that'd be great.
Okay... upstream git checkout has multiple problems that I thought were fixed via upstreamed patches. I'm going to work with zaheem to resolve some of this.
Tim, in the mean time see if you can get that pipeline working under gst-launch.
Try changing the istximagesrc to ximagesrc and see if you can get something that works.
Does the crash happen if do a screencast record without recording the pointer?
Jef, I'm afraid I don't have enough experience of gst to know how to run the pipeline.
Tim: FWIW, if you launch istanbul from a shell, you'll get a DEBUG message that includes the pipeline. (It probably starts with "istximagesrc".) If you place that pipeline after the command "gst-launch " it's the equivalent of what istanbul is running.
The information at http://www.gstreamer.net/documentation/ might be helpful in playing around with the pipeline itself.
*** Bug 603131 has been marked as a duplicate of this bug. ***
*** Bug 629852 has been marked as a duplicate of this bug. ***
I'm unlikely to have to time to play with this, sorry.
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