same thing happens with me & a Vega 64 in a sonnet breakaway 550 (mid 2014 rMBP GT m750 Model: MacBookPro11,3, BootROM MBP112.0142.B00, 4 processors, Intel Core i7, 2.8 GHz, 16 GB, SMC 2.19f12). I tried all combinations. Timing the egpu plug in.
I have filed a bug report
Anonymous UUID: 61927C19-259D-BE1B-55E2-DDF367710867
Thu Feb 8 21:46:09 2018
*** Panic Report ***
panic(cpu 4 caller 0xffffff8014d5dd1e): Kernel trap at 0xffffff7f95efbf92, type 14=page fault, registers:
CR0: 0x0000000080010033, CR2: 0x0000000000000000, CR3: 0x0000000019180000, CR4: 0x00000000001627e0
RAX: 0x0000000000000000, RBX: 0xffffff81b4102000, RCX: 0x0000000000000020, RDX: 0x0000000000000001
RSP: 0xffffff81f3dfbdf0, RBP: 0xffffff81f3dfbe10, RSI: 0xffffff7f95f22b7c, RDI: 0x0000000000000000
R8: 0x000000000000ffff, R9: 0x0000000000010001, R10: 0x000000000e051004, R11: 0xffffff801aea5520
R12: 0x00000001000008d3, R13: 0xffffff8015262ab0, R14: 0xffffff803bd445a0, R15: 0xffffff8039af0f00
RFL: 0x0000000000010246, RIP: 0xffffff7f95efbf92, CS: 0x0000000000000008, SS: 0x0000000000000000
Fault CR2: 0x0000000000000000, Error code: 0x0000000000000000, Fault CPU: 0x4, PL: 0, VF: 1
Backtrace (CPU 4), Frame : Return Address
0xffffff81f3dfb8a0 : 0xffffff8014c3adc6
0xffffff81f3dfb8f0 : 0xffffff8014d6be94
0xffffff81f3dfb930 : 0xffffff8014d5db3d
0xffffff81f3dfb9b0 : 0xffffff8014bec140
0xffffff81f3dfb9d0 : 0xffffff8014c3a7fc
0xffffff81f3dfbb00 : 0xffffff8014c3a57c
0xffffff81f3dfbb60 : 0xffffff8014d5dd1e
0xffffff81f3dfbce0 : 0xffffff8014bec140
0xffffff81f3dfbd00 : 0xffffff7f95efbf92
0xffffff81f3dfbe10 : 0xffffff7f99d26ff5
0xffffff81f3dfbe60 : 0xffffff8015262b82
0xffffff81f3dfbea0 : 0xffffff801528ad6e
0xffffff81f3dfbee0 : 0xffffff8015261c20
0xffffff81f3dfbf60 : 0xffffff801526bbb7
0xffffff81f3dfbfa0 : 0xffffff8014beb4f7
Kernel Extensions in backtrace:
com.apple.iokit.IOGraphicsFamily(519.11)[52BC96F0-A804-3F8E-9C3D-6135729DB7D4]@0xffffff7f95eec000->0xffffff7f95f34fff
dependency: com.apple.iokit.IOPCIFamily(2.9)[CC958186-A0E7-39DB-B30D-7EE226A7E989]@0xffffff7f95447000
com.apple.kext.AMDFramebuffer(1.6.6)[467D5CF1-72EF-3A5C-AF32-4AB03CB1EB1B]@0xffffff7f99d25000->0xffffff7f99d5ffff
dependency: com.apple.iokit.IOACPIFamily(1.4)[95DA39BB-7C39-3742-A2E5-86C555E21D67]@0xffffff7f95991000
dependency: com.apple.iokit.IOPCIFamily(2.9)[CC958186-A0E7-39DB-B30D-7EE226A7E989]@0xffffff7f95447000
dependency: com.apple.kext.AMDSupport(1.6.6)[F0DD3690-06A5-3720-8BF8-50879E0CC4AA]@0xffffff7f988b7000
dependency: com.apple.iokit.IOGraphicsFamily(519.11)[52BC96F0-A804-3F8E-9C3D-6135729DB7D4]@0xffffff7f95eec000
BSD process name corresponding to current thread: kernel_task
Mac OS version:
17E150g
Kernel version:
Darwin Kernel Version 17.5.0: Mon Jan 29 02:17:30 PST 2018; root:xnu-4570.50.257~17/RELEASE_X86_64
Kernel UUID: 3078C3B0-6D7D-3F79-8E5F-2BC31FCED1AD
Kernel slide: 0x0000000014800000
Kernel text base: 0xffffff8014a00000
__HIB text base: 0xffffff8014900000
System model name: MacBookPro11,3 (Mac-2BD1B31983FE1663)
System uptime in nanoseconds: 15900973919
last loaded kext at 15614284609: com.apple.kext.AMDFramebuffer 1.6.6 (addr 0xffffff7f99d25000, size 241664)
loaded kexts:
