Removing swfdec-mozilla then reinstalling
http://download.macromedia.com/pub/labs/flashplayer10/libflashplayer-10.0.32.18.linux-x86_64.so.tar.gz
worked for me.
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Firefox update to 3.0.13 causes crash (segfault/SIGSEGV) when loading some
Flash content
https://bugs.launchpad.net/bugs/409257
You
I had the same problem with Gutsy domU on Gutsy dom0. It is caused by
xend generating a new MAC address each boot, udev recognises this as a
new card and therefore creates a new entry.
Add MAC address to the domU config file like:
vif = [ 'mac=00:11:22:33:44:55' ]
See