I have just crashed for the second time today. Only happens when resuming from sleep while I have an external monitor plugged in.
Searching the Apple forums only adds to the frustration when I read than many others have had this problem for months and Apple is yet to solve. One poster said that Apple Support acknowledge it is a problem. This was back in release 10.7.0. We are now up to 10.7.2 and still no fix.
*Apparently* the Graphics Switching from the Radeon to the built-in Intel (performed to save power when on battery) is what causes the problem when resuming from sleep.
I have just followed the recommendation of disabling the 'Auto Switching' so that it will remain on the AMD Radeon. Lets see when happens!!!
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