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*** Please submit non packaging issue (e.g. feature requests) bugs to
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the Debian BTS and the upstream bugzilla
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(https://bugzilla.mozilla.org/enter_bug.cgi?product=Firefox) and put a
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reference to the bugzilla bug in the Debian bug report, to ease bug
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triage for the maintainers. Thank you. ***
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Firefox extensions being a big source of problems, please either try to
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reproduce your bug with a clean user of with you current user in safe
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mode, with the "firefox -safe-mode" command line before filing any bugs.
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If your bug disappears with a clean user or in safe mode, you might want
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to find which extension is responsible for it and file a bug to the
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appropriate package, bug tracking system, or author.
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Also, please try running firefox with MOZ_DISABLE_PANGO=1 set in your
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environment to test with Pango rendering disabled, which can cause
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problems in some cases.
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If your Firefox installation pre-dates 1.0, you might have had problems
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Firefox not really cleanly supporting upgrade from one release to another.
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Please try moving around your ~/.mozilla/firefox directory to see if it
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helps with your issue.
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Firefox requires the loopback interface (lo) to be up and unfiltered
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to accept keyboard input and function correctly. Please make sure this
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is the case before filing any bugs.
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If you get crashes and none of the above hints did avoid the crash, please
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first try to remove plugins from the /usr/lib/firefox/plugins,
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/usr/lib/mozilla-firefox/plugins and ~/.mozilla/plugins directories.
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If Firefox still crashes, please install the firefox-dbg package and run
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firefox with gdb with the "firefox -g" command line. On the gdb prompt, type
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the following commands:
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And attach the resulting backtrace to your bug report.
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If you are seeing XML parsing errors, please make sure you kill all
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running Firefoxes and reload before filing any bugs.