This is a known issue as documented on the firebug web site. http://blog.getfirebug.com/2010/01/19/64-bit-firefox-on-linux-crashes-with-firebug-1-5-0/ This has been filed as a mozilla patch https://bugzilla.mozilla.org/show_bug.cgi?id=510040 Double checking that this will be included in the next firefox release. Reproducible: Always Steps to Reproduce: 1.start firefox 2.install firebug 3.start firebug Expected Results: core dumps
Duplicate of bug #301695