macguybd

got it fixed by flashing powercolor rx 590 rom

Hi, can u please provide dsdt. system detected the rx590, but it not using it, cinebench shows apple software rendering is in use. Send me megaminds-iMac.zip

yes after using videobios from powercolor rx590, now system boots and shows it dected the card. but the video breaks and cinebench shows its using appple software render. do u think dst con help here ?

Currently I have mojave installed with intel 630, system very stable. recently i bought a rx590, if i put it, the system will not boot (kernel panic). tried both igpu and primary mode. Then tried fresh install. What flag i should use for rx 590, default setting will not boot the installer. system config: 8700k gigabyte z370 gaming 5 rx 590 here is the kernal panic info Backtrace (CPU 0), Frame : Return Address 0xffffff98a146b690 : 0xffffff800b5aeafd mach_kernel : _handle_debugger_trap + 0x48d 0xffffff98a146b6e0 : 0xffffff800b6e85a3 mach_kernel : _kdp_i386_trap + 0x153 0xffffff98a146b720 : 0xffffff800b6d9fca mach_kernel : _kernel_trap + 0x4fa 0xffffff98a146b790 : 0xffffff800b55bca0 mach_kernel : _return_from_trap + 0xe0 0xffffff98a146b7b0 : 0xffffff800b5ae517 mach_kernel : _panic_trap_to_debugger + 0x197 0xffffff98a146b8d0 : 0xffffff800b5ae363 mach_kernel : _panic + 0x63 0xffffff98a146b940 : 0xffffff800b6da1ed mach_kernel : _kernel_trap + 0x71d 0xffffff98a146bab0 : 0xffffff800b55bca0 mach_kernel : _return_from_trap + 0xe0 0xffffff98a146bad0 : 0xffffff7f8e8810ff com.apple.kext.AMDRadeonX4000 : __ZN29AMDRadeonX4000_AMDHWRegisters4readEj + 0x77 0xffffff98a146bbe0 : 0xffffff7f8e8b9833 com.apple.kext.AMDRadeonX4000 : __ZN28AMDRadeonX4000_AMDVIHardware19getRegisterAperSizeEv + 0x23 0xffffff98a146bc00 : 0xffffff7f8e880fe9 com.apple.kext.AMDRadeonX4000 : __ZN29AMDRadeonX4000_AMDHWRegisters4initEP11IOPCIDeviceP30AMDRadeonX4000_IAMDHWInterface + 0x107 0xffffff98a146bc40 : 0xffffff7f8e8a0f0b com.apple.kext.AMDRadeonX4000 : __ZN26AMDRadeonX4000_AMDHardware4initEP11IOPCIDeviceP28AMDRadeonX4000_IAMDHWHandlerRjP16_GART_PARAMETERSP14_FB_PARAMETERS + 0x20b 0xffffff98a146bc90 : 0xffffff7f8e829d52 com.apple.kext.AMDRadeonX4000 : __ZN37AMDRadeonX4000_AMDGraphicsAccelerator17createHWInterfaceEP11IOPCIDevice + 0x7c 0xffffff98a146bcf0 : 0xffffff7f8e8279cb com.apple.kext.AMDRadeonX4000 : __ZN37AMDRadeonX4000_AMDGraphicsAccelerator15configureDeviceEP11IOPCIDevice + 0x119 0xffffff98a146bd80 : 0xffffff7f8d78183b com.apple.iokit.IOAcceleratorFamily2 : __ZN22IOGraphicsAccelerator25startEP9IOService + 0x215 0xffffff98a146bdf0 : 0xffffff7f8e8266dc com.apple.kext.AMDRadeonX4000 : __ZN37AMDRadeonX4000_AMDGraphicsAccelerator5startEP9IOService + 0x80 0xffffff98a146be40 : 0xffffff800bc2c65b mach_kernel : __ZN9IOService14startCandidateEPS_ + 0x6b 0xffffff98a146be80 : 0xffffff800bc2c3a1 mach_kernel : __ZN9IOService15probeCandidatesEP12OSOrderedSet + 0x911 0xffffff98a146bf00 : 0xffffff800bc2b8f7 mach_kernel : __ZN9IOService14doServiceMatchEj + 0x2c7 0xffffff98a146bf50 : 0xffffff800bc2d3c6 mach_kernel : __ZN15_IOConfigThread4mainEPvi + 0x1a6 0xffffff98a146bfa0 : 0xffffff800b55b0ce mach_kernel : _call_continuation + 0x2e Kernel Extensions in backtrace: com.apple.iokit.IOAcceleratorFamily2(404.2.2)[FA92A03C-F113-384A-9B1F-B2C52DE7F4D2]@0xffffff7f8d754000->0xffffff7f8d7f8fff dependency: com.apple.driver.AppleMobileFileIntegrity(1.0.5)[A69BF990-ABB3-3731-A7A2-9C1FB76BCF6F]@0xffffff7f8c389000 dependency: com.apple.iokit.IOSurface(255.1)[CAF77C5D-98FF-33D0-B31C-FC327D7AD4F6]@0xffffff7f8d730000 dependency: com.apple.iokit.IOPCIFamily(2.9)[7EA30FDD-A2FB-390F-99DD-42BC19691BB4]@0xffffff7f8be95000 dependency: com.apple.iokit.IOGraphicsFamily(530.14)[C5617AC3-A68D-36CE-AC22-7C7C81318961]@0xffffff7f8c62c000 dependency: com.apple.iokit.IOReportFamily(47)[75A625B5-0DEB-343A-A723-9D72533F098C]@0xffffff7f8c9b3000 com.apple.kext.AMDRadeonX4000(2.0.4)[89FA9716-954A-33D9-AE49-273C84E69A19]@0xffffff7f8e825000->0xffffff7f8eddffff dependency: com.apple.iokit.IOSurface(255.1)[CAF77C5D-98FF-33D0-B31C-FC327D7AD4F6]@0xffffff7f8d730000 dependency: com.apple.iokit.IOPCIFamily(2.9)[7EA30FDD-A2FB-390F-99DD-42BC19691BB4]@0xffffff7f8be95000 dependency: com.apple.iokit.IOGraphicsFamily(530.14)[C5617AC3-A68D-36CE-AC22-7C7C81318961]@0xffffff7f8c62c000 dependency: com.apple.iokit.IOAcceleratorFamily2(404.2.2)[FA92A03C-F113-384A-9B1F-B2C52DE7F4D2]@0xffffff7f8d754000 BSD process name corresponding to current thread: kernel_task Boot args: dart=0 -v keepsyms=1 debug=0x100 -disablegfxfirmware kext-dev-mode=1 -no_compat_check