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#52724
If I don't do anything for 5 minutes, system will going to freeze, mouse and keymap will not working , only reboot.
my machine: amd ryzen 3700x, msi b450m mortar max, gskill snipper 3200 8G*2, dataland rx5700 8g, bcm94352z/dw1560.

log:

panic(cpu 2 caller 0xffffff8014c62e0a): Kernel trap at 0xffffff7f95d0a733, type 14=page fault, registers:
CR0: 0x0000000080010033, CR2: 0x0000000000000040, CR3: 0x000000035bb22000, CR4: 0x00000000003406e0
RAX: 0xffffff81bcc8b260, RBX: 0x0000000000000000, RCX: 0x0000000000000000, RDX: 0xffffff81bcc8b260
RSP: 0xffffff820c043870, RBP: 0xffffff820c0438b0, RSI: 0xffffff8042116e00, RDI: 0x0000000000000000
R8: 0x0000000000000000, R9: 0x0000000000000000, R10: 0xffffff7f95c25104, R11: 0xffffff804fd2be0c
R12: 0xffffff801561cae8, R13: 0xffffff8042116e00, R14: 0xffffff8042116000, R15: 0x0000000000000000
RFL: 0x0000000000010282, RIP: 0xffffff7f95d0a733, CS: 0x0000000000000008, SS: 0x0000000000000010
Fault CR2: 0x0000000000000040, Error code: 0x0000000000000000, Fault CPU: 0x2, PL: 0, VF: 0

Backtrace (CPU 2), Frame : Return Address
0xffffff820c0432d0 : 0xffffff8014b39a3b mach_kernel : _handle_debugger_trap + 0x47b
0xffffff820c043320 : 0xffffff8014c70fe5 mach_kernel : _kdp_i386_trap + 0x155
0xffffff820c043360 : 0xffffff8014c62a5e mach_kernel : _kernel_trap + 0x4ee
0xffffff820c0433b0 : 0xffffff8014ae0a40 mach_kernel : _return_from_trap + 0xe0
0xffffff820c0433d0 : 0xffffff8014b39127 mach_kernel : _DebuggerTrapWithState + 0x17
0xffffff820c0434d0 : 0xffffff8014b3950b mach_kernel : _panic_trap_to_debugger + 0x21b
0xffffff820c043520 : 0xffffff80152d17f9 mach_kernel : _panic + 0x61
0xffffff820c043590 : 0xffffff8014c62e0a mach_kernel : _sync_iss_to_iks + 0x2aa
0xffffff820c043710 : 0xffffff8014c62b08 mach_kernel : _kernel_trap + 0x598
0xffffff820c043760 : 0xffffff8014ae0a40 mach_kernel : _return_from_trap + 0xe0
0xffffff820c043780 : 0xffffff7f95d0a733 com.apple.kext.AMDRadeonX6000 : __ZN31AMDRadeonX6000_AMDAccelResource18fillUBMSurfaceInfoEP13_UBM_SURFINFOP22_sMASK_MEMORY_SETTINGSjjj + 0x17
0xffffff820c0438b0 : 0xffffff7f95d1b1e8 com.apple.kext.AMDRadeonX6000 : __ZN35AMDRadeonX6000_AMDAccelVideoContext22processGraphicsCommandER24IOAccelCommandStreamInfo + 0x680
0xffffff820c0439d0 : 0xffffff7f95c2802e com.apple.iokit.IOAcceleratorFamily2 : __ZN15IOAccelContext221processSidebandBufferEP24IOAccelCommandDescriptorb + 0x10c
0xffffff820c043a10 : 0xffffff7f95c28561 com.apple.iokit.IOAcceleratorFamily2 : __ZN15IOAccelContext218processDataBuffersEj + 0x5d
0xffffff820c043a40 : 0xffffff7f95c25adb com.apple.iokit.IOAcceleratorFamily2 : __ZN15IOAccelContext219submit_data_buffersEP33IOAccelContextSubmitDataBuffersInP34IOAccelContextSubmitDataBuffersOutyPy + 0x9d7
0xffffff820c043ac0 : 0xffffff80152682d0 mach_kernel : _shim_io_connect_method_structureI_structureO + 0x1b0
0xffffff820c043b10 : 0xffffff8015266551 mach_kernel : __ZN12IOUserClient14externalMethodEjP25IOExternalMethodArgumentsP24IOExternalMethodDispatchP8OSObjectPv + 0x331
0xffffff820c043b60 : 0xffffff801526f393 mach_kernel : _is_io_connect_method + 0x223
0xffffff820c043ca0 : 0xffffff8014c20b92 mach_kernel : _iokit_server_routine + 0x4e62
0xffffff820c043db0 : 0xffffff8014b3f8b8 mach_kernel : _ipc_kobject_server + 0x238
0xffffff820c043e10 : 0xffffff8014b16545 mach_kernel : _ipc_kmsg_send + 0x135
0xffffff820c043e70 : 0xffffff8014b2cff5 mach_kernel : _mach_msg_overwrite_trap + 0x2e5
0xffffff820c043f00 : 0xffffff8014c49085 mach_kernel : _mach_call_munger64 + 0x205
0xffffff820c043fa0 : 0xffffff8014ae1226 mach_kernel : _hndl_mach_scall64 + 0x16
Kernel Extensions in backtrace:
com.apple.iokit.IOAcceleratorFamily2(438.2.7)[72B8A0B5-E12C-3764-9187-0AC0E93416F9]@0xffffff7f95c1f000->0xffffff7f95ce2fff
dependency: com.apple.driver.AppleMobileFileIntegrity(1.0.5)[180FC5AB-0E47-35BC-91DF-609EBE8ED4A5]@0xffffff7f957ef000
dependency: com.apple.iokit.IOPCIFamily(2.9)[AA7C7A4F-9F5D-3533-9E78-177C3B6A72BF]@0xffffff7f958a2000
dependency: com.apple.iokit.IOSurface(269.6)[39DC4195-B168-3895-ACD5-E731581855F8]@0xffffff7f95bee000
dependency: com.apple.iokit.IOGraphicsFamily(568)[247C211E-C250-351C-BCE2-4DB9D3003E10]@0xffffff7f95b8f000
dependency: com.apple.iokit.IOReportFamily(47)[2CCA7DD3-C33F-3CA4-A213-BC83D3D997B0]@0xffffff7f9549f000
com.apple.kext.AMDRadeonX6000(3.0.2)[FF265CE6-1E4A-308D-93F3-31EA5BB47CCC]@0xffffff7f95cf7000->0xffffff7f95f9dfff
dependency: com.apple.iokit.IOPCIFamily(2.9)[AA7C7A4F-9F5D-3533-9E78-177C3B6A72BF]@0xffffff7f958a2000
dependency: com.apple.iokit.IOSurface(269.6)[39DC4195-B168-3895-ACD5-E731581855F8]@0xffffff7f95bee000
dependency: com.apple.iokit.IOGraphicsFamily(568)[247C211E-C250-351C-BCE2-4DB9D3003E10]@0xffffff7f95b8f000
dependency: com.apple.iokit.IOAcceleratorFamily2(438.2.7)[72B8A0B5-E12C-3764-9187-0AC0E93416F9]@0xffffff7f95c1f000

BSD process name corresponding to current thread: VTDecoderXPCServ
Boot args: -v keepsyms=1 npci=0x2000 debug=0x100 agdpmod=pikera

Mac OS version:
19B88

Kernel version:
Darwin Kernel Version 19.0.0: Thu Oct 17 16:17:15 PDT 2019; root:xnu-6153.41.3~29/RELEASE_X86_64
Kernel UUID: 7503CD47-851F-321E-8747-50DB4299165F
Kernel slide: 0x0000000014800000
Kernel text base: 0xffffff8014a00000
__HIB text base: 0xffffff8014900000
System model name: iMacPro1,1 (Mac-7BA5B2D9E42DDD94)
System shutdown begun: NO
Panic diags file available: YES (0x0)

System uptime in nanoseconds: 509571145361

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#52729
This is likely a power management issue and this is the workaround that I've found works for me:

1) Open Mac App Store and download the app "Amphetamine"
2) Go to System Preferences > Energy Saver > Restore Defaults
3) Use Amphetamine to keep your computer from going to sleep (I just set mine to "Indefinite")

Hope that helps!
#52761
hberthier wrote: Tue Dec 03, 2019 10:33 am I've fixed this issue with simply modifying my SMBios from iMac Pro 1,1 to iMac19,1 (5k 2019)
Now sleep and everything else is working like it should.
:thumbup: :thumbup: iMac19,1.
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