MacOS – GPU crashes on Yosemite

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I have a mid-2012 MacBook Pro and updated to OS X Yosemite a few weeks ago. Several times since then the GPU has crashed where I can still move the mouse cursor around the screen and listen to audio but everything else on the screen is unresponsive. I've only managed to remedy this by rebooting the machine.

Is there any way to prevent this happening?

The error logs have multiple instances similar to this:

31/10/2014 7:34:45.000 pm kernel[0]: 0000 0x00000000 0x00000000 0x00000000 0x00000000 
31/10/2014 7:34:45.000 pm kernel[0]: 0x00012540  :  0x00000000 0x00000000 0x00100000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 
31/10/2014 7:34:45.000 pm kernel[0]: 0x00012560  :  0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 
31/10/2014 7:34:45.000 pm kernel[0]: 0x00012580  :  0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 
31/10/2014 7:34:45.000 pm kernel[0]: 0x000125a0  :  0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 
31/10/2014 7:34:45.000 pm kernel[0]: 0x000125c0  :  0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 
31/10/2014 7:34:45.000 pm kernel[0]: 0x000125e0  :  0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 
31/10/2014 7:34:45.000 pm kernel[0]: 0x00012600  :  0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 
31/10/2014 7:34:45.000 pm kernel[0]: 0x00012620  :  0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 
31/10/2014 7:34:45.000 pm kernel[0]: 0x00012640  :  0x00000000 0x00000000 0x00100000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 
31/10/2014 7:34:45.000 pm kernel[0]: 0x00012660  :  0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 
31/10/2014 7:34:45.000 pm kernel[0]: 0x00012680  :  0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 
31/10/2014 7:34:45.000 pm kernel[0]: 0x000126a0  :  0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 
31/10/2014 7:34:45.000 pm kernel[0]: 0x000126c0  :  0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 
31/10/2014 7:34:45.000 pm kernel[0]: 0x000126e0  :  0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 
31/10/2014 7:34:45.000 pm kernel[0]: 0x00012700  :  0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 
31/10/2014 7:34:45.000 pm kernel[0]: 0x00012720  :  0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 
31/10/2014 7:34:45.000 pm kernel[0]: 0x00012740  :  0x00000000 0x00000000 0x00100000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 
31/10/2014 7:34:45.000 pm kernel[0]: 0x00012760  :  0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 
31/10/2014 7:34:45.000 pm kernel[0]: 0x00012780  :  0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 
31/10/2014 7:34:45.000 pm kernel[0]: 0x000127a0  :  0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 
31/10/2014 7:34:45.000 pm kernel[0]: 0x000127c0  :  0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 
31/10/2014 7:34:45.000 pm kernel[0]: 0x000127e0  :  0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 
31/10/2014 7:34:45.000 pm kernel[0]: OTHER MMIO Registers
31/10/2014 7:34:45.000 pm kernel[0]: -------------------------------------------------
31/10/2014 7:34:45.000 pm kernel[0]: SYSCONFIG_DFSM                      : 0x00000000
31/10/2014 7:34:45.000 pm kernel[0]: SYSCONFIG_DSSM                      : 0x00000000
31/10/2014 7:34:45.000 pm kernel[0]: SYSCONFIG_DPFC_CONTROL_SA           : 0x00000000
31/10/2014 7:34:45.000 pm kernel[0]: SYSCONFIG_DPFC_CPU_FENCE_OFFSET     : 0x00000000
31/10/2014 7:34:45.000 pm kernel[0]: SYSCONFIG_TILECTL                   : 0x00000000
31/10/2014 7:34:45.000 pm kernel[0]: SYSCONFIG_MISC0                     : 0x00000000
31/10/2014 7:34:45.000 pm kernel[0]: SYSCONFIG_MGGC                      : 0x00000000
31/10/2014 7:34:45.000 pm kernel[0]: SYSCONFIG_MTOLUD                    : 0x8fa00001
31/10/2014 7:34:45.000 pm kernel[0]: SYSCONFIG_GFX_FLSH_CNTL             : 0x00000209
31/10/2014 7:34:45.000 pm kernel[0]: SYSCONFIG_MTOUUD                    : 0x6f600001
31/10/2014 7:34:45.000 pm kernel[0]: SYSCONFIG_MBDSM                     : 0x8da00001
31/10/2014 7:34:45.000 pm kernel[0]: SYSCONFIG_MBGSM                     : 0x8d800001
31/10/2014 7:34:45.000 pm kernel[0]: SYSCONFIG_GTVTD0                    : 0x00000000
31/10/2014 7:34:45.000 pm kernel[0]: SYSCONFIG_GTVTD1                    : 0x00000000
31/10/2014 7:34:45.000 pm kernel[0]: SYSCONFIG_GTVTD2                    : 0x6c62616e
31/10/2014 7:34:45.000 pm kernel[0]: SYSCONFIG_GTVTD3                    : 0x00000000
31/10/2014 7:34:45.000 pm kernel[0]: SYSCONFIG_GTVTD4                    : 0x00000000
31/10/2014 7:34:45.000 pm kernel[0]: SYSCONFIG_GTVTD5                    : 0x11028088
31/10/2014 7:34:45.000 pm kernel[0]: SYSCONFIG_GTVTD6                    : 0x00026104
31/10/2014 7:34:45.000 pm kernel[0]: SYSCONFIG_GTVTD7                    : 0x73672067
31/10/2014 7:34:45.000 pm kernel[0]: SYSCONFIG_GTVTD8                    : 0xc7000220
31/10/2014 7:34:45.000 pm kernel[0]: SYSCONFIG_GTVTD9                    : 0x6720676e
31/10/2014 7:34:45.000 pm kernel[0]: SYSCONFIG_GTVTD10                   : 0x4f4e2073
31/10/2014 7:34:45.000 pm kernel[0]: SYSCONFIG_GTVTD11                   : 0x03894800
31/10/2014 7:34:45.000 pm kernel[0]: SYSCONFIG_GTVTD12                   : 0xdf8948c0
31/10/2014 7:34:45.000 pm kernel[0]: SYSCONFIG_GTVTD13                   : 0xc0310000
31/10/2014 7:34:45.000 pm kernel[0]: SYSCONFIG_GTVTD14                   : 0x00000000
31/10/2014 7:34:45.000 pm kernel[0]: SYSCONFIG_GTVTD15                   : 0x203d2064
31/10/2014 7:34:45.000 pm kernel[0]: ===========================================================================
31/10/2014 7:34:45.000 pm kernel[0]: End Hang Analysis
31/10/2014 7:34:45.000 pm kernel[0]: ===========================================================================
31/10/2014 7:34:45.000 pm kernel[0]: Trying restart GPU ...
31/10/2014 7:34:45.803 pm DumpGPURestart[1239]: Saved gpuRestart report for kernel to /Library/Logs/DiagnosticReports/Kernel_2014-10-31-193445_mymachine.gpuRestart

Best Answer

I also experienced these crashes nearly every other day on my mid 2012 MBP.

This solved it for me:

Switch off "Automatic graphics switching" for Battery and Power Adapter
settings. This will increase overall power consumption but for me the
crashes have vanished.

Explanation: Mac Book Pros (and other Macs) quite usually come with two different GPUs. A low power and a high power GPU. OSX switches between these GPUs on demand. Since Yosemite this seems to be a problem for some people, because their systems are freezing occasionally. If your system suffers from hangs like described by the original poster, try this workaround until Apple fixes automatic GPU switching.

uncheck Automatic graphics switching

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