Throughout the web multiple users are reporting this console error message is related to slow downs and hangs within OS X Lion:

kernel: IOSurface: buffer allocation size is zero

Affected users are often seeing hundreds of these messages in the console logs and they seems to related to the time when hangs and slow downs occur. I’ve been it in console logs, but I’ve not been able to relate any performance issues to it. I suspect that everybody running flash will show this error. Here are some related links:

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