panic(cpu 2 caller 0xffffff7f983a2471): "virtual bool IOAccelLegacyDisplayMachine::display_mode_did_change(uint32_t): vendor driver returns false"@/AppleInternal/BuildRoot/Library/Caches/com.apple.xbs/Sources/IOAcceleratorFamily_kexts/IOAcceleratorFamily-438.5.4/Kext2/IOAccelLegacyDisplayMachine.cpp:267
Backtrace (CPU 2), Frame : Return Address
0xffffff9122de3390 : 0xffffff801511f5cd mach_kernel : _handle_debugger_trap + 0x49d
0xffffff9122de33e0 : 0xffffff8015258b05 mach_kernel : _kdp_i386_trap + 0x155
0xffffff9122de3420 : 0xffffff801524a68e mach_kernel : _kernel_trap + 0x4ee
0xffffff9122de3470 : 0xffffff80150c5a40 mach_kernel : _return_from_trap + 0xe0
0xffffff9122de3490 : 0xffffff801511ec97 mach_kernel : _DebuggerTrapWithState + 0x17
0xffffff9122de3590 : 0xffffff801511f087 mach_kernel : _panic_trap_to_debugger + 0x227
0xffffff9122de35e0 : 0xffffff80158c27ec mach_kernel : _panic + 0x54
0xffffff9122de3650 : 0xffffff7f983a2471 com.apple.iokit.IOAcceleratorFamily2 : __ZN27IOAccelLegacyDisplayMachine23display_mode_did_changeEj.cold.1 + 0x19
0xffffff9122de3660 : 0xffffff7f9834f27e com.apple.iokit.IOAcceleratorFamily2 : __ZN27IOAccelLegacyDisplayMachine25find_primary_display_pipeEP24IOAccelLegacyDisplayPipe
0xffffff9122de3690 : 0xffffff7f98395605 com.apple.iokit.IOAcceleratorFamily2 : __ZN18IOAccelDisplayPipe22display_change_handlerEPvP13IOFramebufferiS0_ + 0x149
0xffffff9122de36d0 : 0xffffff7f963abd58 com.apple.iokit.IOGraphicsFamily : __ZN13IOFramebuffer24deliverGroupNotificationEijbiPv + 0x2b8
0xffffff9122de3810 : 0xffffff7f96396e65 com.apple.iokit.IOGraphicsFamily : __ZN13IOFramebuffer30deliverFramebufferNotificationEiPv + 0x193
0xffffff9122de38a0 : 0xffffff7f963a1b4f com.apple.iokit.IOGraphicsFamily : __ZN13IOFramebuffer39deliverDisplayModeDidChangeNotificationEv + 0x15
0xffffff9122de38c0 : 0xffffff7f9639c3b6 com.apple.iokit.IOGraphicsFamily : __ZN13IOFramebuffer7doSetupEb + 0x520
0xffffff9122de3980 : 0xffffff7f963a920d com.apple.iokit.IOGraphicsFamily : __ZN13IOFramebuffer21setupForCurrentConfigEv + 0x2b
0xffffff9122de39a0 : 0xffffff7f963a9b3a com.apple.iokit.IOGraphicsFamily : __ZN13IOFramebuffer16doSetDisplayModeEii + 0x1d6
0xffffff9122de3a30 : 0xffffff7f963a98ec com.apple.iokit.IOGraphicsFamily : __ZN13IOFramebuffer17extSetDisplayModeEP8OSObjectPvP25IOExternalMethodArguments + 0x9a
0xffffff9122de3ac0 : 0xffffff8015854aae mach_kernel : __ZN12IOUserClient14externalMethodEjP25IOExternalMethodArgumentsP24IOExternalMethodDispatchP8OSObjectPv + 0x1de
0xffffff9122de3b10 : 0xffffff7f963aff98 com.apple.iokit.IOGraphicsFamily : __ZN23IOFramebufferUserClient14externalMethodEjP25IOExternalMethodArgumentsP24IOExternalMethodDispatchP8OSObjectPv + 0x74
0xffffff9122de3b60 : 0xffffff801585dcd3 mach_kernel : _is_io_connect_method + 0x223
0xffffff9122de3ca0 : 0xffffff80152082b2 mach_kernel : _iokit_server_routine + 0x4e72
0xffffff9122de3db0 : 0xffffff8015125328 mach_kernel : _ipc_kobject_server + 0x238
0xffffff9122de3e10 : 0xffffff80150fbcc5 mach_kernel : _ipc_kmsg_send + 0x135
0xffffff9122de3e70 : 0xffffff8015112aa2 mach_kernel : _mach_msg_overwrite_trap + 0x2d2
0xffffff9122de3f00 : 0xffffff8015230d05 mach_kernel : _mach_call_munger64 + 0x205
0xffffff9122de3fa0 : 0xffffff80150c6226 mach_kernel : _hndl_mach_scall64 + 0x16
Kernel Extensions in backtrace:
com.apple.iokit.IOGraphicsFamily(576.1)[B1C0006F-E1F5-37D9-9548-5F918E92B422]@0xffffff7f9638d000->0xffffff7f963ddfff
dependency: com.apple.iokit.IOPCIFamily(2.9)[3C56BB73-D149-3E84-A2EB-DF806779B96C]@0xffffff7f95b31000
com.apple.iokit.IOAcceleratorFamily2(438.5.4)[D695D9DA-7C20-35D6-910F-E7A332A0F515]@0xffffff7f9834e000->0xffffff7f98411fff
dependency: com.apple.driver.AppleMobileFileIntegrity(1.0.5)[0425E074-601A-3487-A54F-1E675D065186]@0xffffff7f9648c000
dependency: com.apple.iokit.IOPCIFamily(2.9)[3C56BB73-D149-3E84-A2EB-DF806779B96C]@0xffffff7f95b31000
dependency: com.apple.iokit.IOSurface(269.11)[F1E7389D-2807-3C5D-8A7F-5422542E867F]@0xffffff7f97bf9000
dependency: com.apple.iokit.IOGraphicsFamily(576.1)[B1C0006F-E1F5-37D9-9548-5F918E92B422]@0xffffff7f9638d000
dependency: com.apple.iokit.IOReportFamily(47)[1FB49168-0280-3F04-A99A-F830C915E994]@0xffffff7f9600a000
BSD process name corresponding to current thread: WindowServer
Boot args: -v keepsyms=1 debug=0x100 alcid=1 -lilubetaall -liluforce -wegdbg -radpg=15
Mac OS version:
19F96
Kernel version:
Darwin Kernel Version 19.5.0: Thu Apr 30 18:25:59 PDT 2020; root:xnu-6153.121.1~7/RELEASE_X86_64
Kernel UUID: 7B7F06EE-1B75-345E-B898-2FD4FEC20F0D
Kernel slide: 0x0000000014e00000
Kernel text base: 0xffffff8015000000
__HIB text base: 0xffffff8014f00000
System model name: iMac19,1 (Mac-AA95B1DDAB278B95)
System shutdown begun: NO
Panic diags file available: YES (0x0)
System uptime in nanoseconds: 74082678181
