bookpro重启

先说一下重制smc和ram也不能解决问题

^_^在开机后突然黑屏，有重启的声音屏幕不亮。强制关机再开机有声音黑屏，这样的情况反反复复，已经不能正常开机使用了。是什么问题还能解决吗。

开机按D

下面是开机后提示重启的分析

panic(cpu 6 caller 0xffffff7fae2ae57b): GPU Panic: mux-regs 4 0 a0 99 0 8 severity 3 WS-ready 1 switch-state 0 IG FBs 1 EG FBs 0:0 power-state 3 3D idle HDA idle system-state 1 power-level 20:20 power-retry 1 connect-change 0 : AGC GPU REGISTER RESTORE FAILED with 1 reset, VendorID invalid

Backtrace (CPU 6), Frame : Return Address

0xffffff820b19baa0 : 0xffffff802bd3bb1b 

0xffffff820b19baf0 : 0xffffff802be733e5 

0xffffff820b19bb30 : 0xffffff802be64e5e 

0xffffff820b19bb80 : 0xffffff802bce2a40 

0xffffff820b19bba0 : 0xffffff802bd3b207 

0xffffff820b19bca0 : 0xffffff802bd3b5eb 

0xffffff820b19bcf0 : 0xffffff802c4d24f9 

0xffffff820b19bd60 : 0xffffff7fae2ae57b 

0xffffff820b19bdc0 : 0xffffff7fae2aa5c9 

0xffffff820b19be00 : 0xffffff7fae2adfec 

0xffffff820b19be20 : 0xffffff802c445a89 

0xffffff820b19be90 : 0xffffff802c4459a9 

0xffffff820b19bec0 : 0xffffff802bd7d765 

0xffffff820b19bf40 : 0xffffff802bd7d291 

0xffffff820b19bfa0 : 0xffffff802bce213e 

     Kernel Extensions in backtrace:

        com.apple.driver.AppleMuxControl(4.5.21)[5ADA3B46-ADC6-3F37-928E-3F7467E89138]@0xffffff7fae29f000->0xffffff7fae2b2fff

           dependency: com.apple.driver.AppleGraphicsControl(4.5.21)[0558DCE2-290A-3082-A0A5-21AFF61E92F0]@0xffffff7fae241000

           dependency: com.apple.iokit.IOACPIFamily(1.4)[3467C105-9354-3BD2-85F3-E5AEF94BD275]@0xffffff7fac8e5000

           dependency: com.apple.iokit.IOPCIFamily(2.9)[1286D5E5-A6A1-3C44-A244-04C068903DB2]@0xffffff7fac8f7000

           dependency: com.apple.iokit.IOGraphicsFamily(569.3)[7B5CA52B-0BD1-34AB-BFC9-7D5C3A0DBE7C]@0xffffff7fae244000

           dependency: com.apple.AppleGraphicsDeviceControl(4.5.21)[EF326A60-9936-3267-A6E7-0044C7B4A952]@0xffffff7fae295000

BSD process name corresponding to current thread: kernel_task

Mac OS version:

19C57

Kernel version:

Darwin Kernel Version 19.2.0: Sat Nov 9 03:47:04 PST 2019; root:xnu-6153.61.1~20/RELEASE_X86_64

Kernel UUID: ********-****-****-****-************

Kernel slide:    0x000000002ba00000

Kernel text base: 0xffffff802bc00000

__HIB text base: 0xffffff802bb00000

System model name: MacBookPro10,1 (Mac-C3EC7CD22292981F)

System shutdown begun: NO

Panic diags file available: YES (0x0)

System uptime in nanoseconds: 1980549651030

last loaded kext at 81658481629: @filesystems.smbfs  3.4 (addr 0xffffff7faf661000, size 446464)

last unloaded kext at 682568641558: >usb.!UHostPacketFilter  1.0 (addr 0xffffff7facdda000, size 24576)

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