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Question: is your Mac OSX Console.app showing kernel: IOSurface: buffer allocation size is zero


73 members have voted

  1. 1. Yes, I am affected with the described Console.app Messages

    • OSX 10.7 Lion
    • OSX 10.6 Snow Leopard
    • OsX 10.5 Leopard
  2. 2. Which Flash Version do you have?

    • 11.0 beta from Adobe Labs
    • 10.3
    • 10.2
    • 10.1
    • 0
  3. 3. Which Browser did you get the Message in?

    • Safari
    • Google Chrome
    • Google Chrome Canary
    • Firefox
    • Other

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Lots of people are reporting, they are experiencing a lagging OSX after upgrading to Mac OSX 10.7 Lion.

For me, yet this was a shaky ride on a MBP 2011, having issues that severely affected the usability of my system.


Mac OSX Lion 10.7 System Freezes: kernel: IOSurface: buffer allocation size is zero (console message)

see the blog entry on that topic



while updating to adobe labs flash 11.0 player solves some freezing issues, still console.app is displaying errors every minute: IOSurface: buffer allocation size is zero


please take a minute to reproduce the issue and let's see if we can get a more detailed information on what is really going on:


  1. Open Console.app
  2. select "kernel.log" in the dropdown list on the left side
  3. press "Clear Display" on the Menu Bar
  4. navigate to http://www.adobe.com/software/flash/about/ with a browser of your choice and see if a console message shows up when doing so.


please post the results to the poll attached to this entry.

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me here:


Build identifier: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:10.0) Gecko/20100101 Firefox/10.0

File: Flash Player.plugin


Shockwave Flash 11.1 r102


system is randomly unresponsive at all for one minute... im going to remove flashplayer



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I get a kernel panic if I leave it running and Console.app gets flooded with the IOSurface error message.


It works fine though if I disable hardware acceleration in Flash.

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Poll is outdated: running flash Version: in Chrome Version 19.0.1084.46


Based on this thread on Apple Support Communities I think this may be either a problem with some Apple OS Core framework Flash uses or a hardware issue: https://discussions....art=90&tstart=0


How many people in this thread have ATI 5xxx Cards?

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