Workaround has been stable for a few hours.
Instead of starting the Xvfb as stated, I added the extension argument -
Xvfb :21324 -fbdir /tmp/xvfb_test -ac -extension GLX &
Hope this helps someone else.
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Xvfb crashes with Segmentation Fault
https://bugs.launchpad.net/bugs/296230
You received
Xorg log
** Attachment added: "Xorg.0.log"
http://launchpadlibrarian.net/22031407/Xorg.0.log
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Xvfb crashes with Segmentation Fault
https://bugs.launchpad.net/bugs/296230
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ubuntu-bu
Please reopen this bug.
I was able to reproduce with the following commands on an up to date Ubuntu
8.10 64-bit install -
Xvfb :21324 -fbdir /tmp/xvfb_test -ac &
env DISPLAY=:21324 gnash -t 13 /tmp/xvfb_test/movie1.swf &
env DISPLAY=:21324 gnash -t 13 /tmp/xvfb_test/movie2.swf &
pkill -f /tmp/x