Happens mainly when you recently switched to a tab with flash player.
related to https://bugzilla.mozilla.org/show_bug.cgi?id=1022140 ?
(In reply to Jim Jeffery not reading bug-mail 1/2/11 from comment #2) > related to https://bugzilla.mozilla.org/show_bug.cgi?id=1022140 ? Seems so, I'll close this bug if the back out (mentioned in that bug) fixes the issue.
Bug 1022140 fixed the issue.
Status: NEW → RESOLVED
Last Resolved: 4 years ago
Resolution: --- → DUPLICATE
Duplicate of bug: 1022140
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