bart.snapp, well... thanks for providing the information we requested of the original reporter, however it appears you're on Intel graphics whereas the original bug report was about ATI. So I think your findings are completely unrelated.
"randomly" isn't really a suitable description for a bug because it could mean anything. It's not sufficient to pinpoint how your bug happens vs. his.
bart.snapp, well... thanks for providing the information we requested of the original reporter, however it appears you're on Intel graphics whereas the original bug report was about ATI. So I think your findings are completely unrelated.
"randomly" isn't really a suitable description for a bug because it could mean anything. It's not sufficient to pinpoint how your bug happens vs. his.