The backtrace looks an awful lot like the one from the xv extension crash, which was fixed in 12-2. I wonder if your iceweasel is attempting to load that somehow? If so, this would be fixed by the current release that's already made it to testing.
Best wishes, Mike -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected]

