Looks like it happens on Linux too http://tinderbox.mozilla.org/showlog.cgi?log=Firefox/1281792606.1281794414.20569.gz
OS: Windows Server 2003 → All
Dan, the merge you did last night seems like a suspect for causing this.
Status: NEW → RESOLVED
Last Resolved: 8 years ago
Resolution: --- → DUPLICATE
Duplicate of bug: 586589
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