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About gIOScreenLockState 3 .... sm 0x0 I probably know the reason


Meowthra
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appleIntelXXXGLDriver of OSX 10.12.x/10.13.x which contains a large number of AVX2 instruction set operation code (mulx、shlx...)

 

So lead to gIOScreenLockState 3, hs 0, bs 0, now 0, sm 0x0 && black screen

 

 

View the crash log file

/Library/Logs/DiagnosticReports/WindowServer_xxxxxxxx.crash

 



com.apple.driver.AppleIntelHD5000GraphicsGLDriver 0x000000014a63357f Gen7Context::Initialize(GLDContextRec*) + 1493 (0x5D5)


com.apple.driver.AppleIntelHD5000GraphicsGLDriver 0x000000013d175f15 glrIntelPopulateComputeDeviceConfig(GLDDeviceRec*, GLDDeviceConfigRec*) + 145 (0x91)




glrIntelPopulateComputeDeviceConfig
__text:0000000000001F15                 mulx    rcx, rax, [rbp+var_30] 

Gen7Context::Initialize
__text:000000000000357F                 shlx    eax, r13d, edx


So... Processor must support AVX2 instruction set

 

Pentium / Celeron  and Haswell before the processor Should be the problem

Because these processors do not support AVX2
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