You seem to be using a ubuntu build of firefox. These are known to occasionally have their own bugs. Please try using a build from mozilla.com. Once you get one, if it still crashes, you can get a stacktrace, https://developer.mozilla.org/En/How_to_get_a_stacktrace_for_a_bug_report
You seem to be using a ubuntu build of firefox. These are known to occasionally have their own bugs. Please try using a build from mozilla.com. Once you get one, if it still crashes, you can get a stacktrace, https:/ /developer. mozilla. org/En/ How_to_ get_a_stacktrac e_for_a_ bug_report