On about:support and about:config, scrolling causes content to disappear and be replaced by black rectangles. Sometimes (but not always), the content returns once scrolling stops. Backing out the patches from bugs 611315 and 675908 resolves the problem; re-applying only the patch from bug 675908 is enough to cause the problem again.
I fixed the problem for bug #675908 and it's in central again: http://hg.mozilla.org/mozilla-central/rev/0dffbdf36868
Status: NEW → RESOLVED
Last Resolved: 8 years ago
Resolution: --- → FIXED
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