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macOS 12 Monterey on Unsupported Macs Thread

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The first post of this thread is a WikiPost and can be edited by anyone with the appropiate permissions. Your edits will be public.
laertemeira said:
Hi everyone! I'm using Monterey on my MBP8,3 with OCLP (I believe it's the latest version) and suddenly today my login stopped working. I haven't changed the password (I checked by restarting the Mac in recovery mode and the password works normally). The problem only occurs with normal login. I tried changing the keyboard layout, etc., but nothing works. Sometimes, after the login failure, the computer freezes... Other times, it shuts down with three error beeps... Maybe this is the end of this machine's life? Any help would be greatly appreciated.
Click to expand...
I would look at the 3 error beeps first...
That's a typical error resulting from memory problems. Try reseating the RAM memory, first with only one stick of RAM. If it boots normally with only one stick installed, move that single stick to the other slot, and try to boot again. If it boots normally in either slot, add the second stick. Make sure both sticks are seated properly.
If you cannot clear the beeps, with both sticks installed, then go back to a single stick. 8GB will still work pretty well.
You may be able to troubleshoot to a single stick that tests bad (or to one slot that seems to always be bad. Try to always watch the sleep LED, does it ever flash 3 times (even if there is no actual beeps, just flashing)? That can still indicate bad RAM.
 
Used OCLP to get Monterey 12.7.4 on my 2011 MBP, and the Tahoe update springs up, which I'm not bothered about, but can I download the Monterey 12.7.6 that's come up or will it break OCLP, plus it's over 11GB so basically the same as the initial download, but the other one that shows up is Safari is 17.6. What's the rule here, Are either of them safe or will it mess everything up.
 
I installed Monterey on my 2009 MacBook Pro in early 25. It was a struggle, but I finally got it done when I installed a solid state hard drive. It has been working fine since then until now I am trying to start up the computer. It gets about a third of the way through the startup boot and just stops. I am traveling with the laptop so I don’t have my desktop to try to figure stuff out any help you can provide would be appreciated.
 
alphascorp said:
A new installer for macOS Monterey 12.7.6 (21H1320) is available... Apple has probably updated to correct the expiration of the current certificates in January 2027. However, the build number remains unchanged.
Click to expand...
The history of Monterey 12.7.6 is weird.

There's a RC 4 21H1317 with date July 16, 2024.

There was a 21H1319 for awhile but it disappeared? It has files with modification date of July 17, 2024 which I installed in September. 21H1319 is the version I see in the app's Info.plist file. I don't remember if this was labeled 21H1319 in the OCLP or gibMacOS downloads list.

This new one shows a version of 21H1320 and a date July 29, 2024 in the downloads list. I don't see any files modified after July 17, 2024, and in fact, all the files match 21H1319 including the Info.plist file which contains 21H1319. The date is strange because the recent Big Sur 11.7.11 20G1443 has an updated date of Feb, 2, 2026.
 
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joevt said:
The history of Monterey 12.7.6 is weird.

There's a RC 4 21H1317 with date July 16, 2024.

There was a 21H1319 for awhile but it disappeared? It has files with modification date of July 17, 2024 which I installed in September. 21H1319 is the version I see in the app's Info.plist file. I don't remember if this was labeled 21H1319 in the OCLP or gibMacOS downloads list.

This new one shows a version of 21H1320 and a date July 29, 2024 in the downloads list. I don't see any files modified after July 17, 2024, and in fact, all the files match 21H1319 including the Info.plist file which contains 21H1319. The date is strange because the recent Big Sur 11.7.11 20G1443 has an updated date of Feb, 2, 2026.
Click to expand...
Hi @joevt

You are right, it’s strange, I couldn’t believe my eyes, but if we look at the Apple servers, we can only notice this:
Code: 
<dict>
                    <key>InstallAssistantPackageIdentifiers</key>
                    <dict>
                        <key>SharedSupport</key>
                        <string>com.apple.pkg.InstallAssistant.macOSMonterey</string>
                        <key>InstallInfo</key>
                        <string>com.apple.plist.InstallInfo</string>
                        <key>Info</key>
                        <string>com.apple.plist.Info</string>
                        <key>UpdateBrain</key>
                        <string>com.apple.zip.UpdateBrain</string>
                        <key>BuildManifest</key>
                        <string>com.apple.plist.BuildManifest</string>
                    </dict>
                </dict>
                <key>PostDate</key>
                <date>2026-02-09T18:30:00Z</date>
                <key>Distributions</key>
                <dict>
                    <key>English</key>
                    <string>https://swdist.apple.com/content/downloads/24/16/062-40406-A_LQ4WW26M04/j7bl9ygay5prezturwh72ai10fvseh2uhw/062-40406.English.dist</string>
                </dict>

As you said, last week Apple released an update of macOS BigSur several years after the retirement, Mr. Macintosh has also written about it.
https://mrmacintosh.com/macos-big-sur-11-7-11-update-released-years-after-retirement/

It would not be the first time that Apple has republished complete installers in order to fix certificate expiration.
This was also the case with macOS High Sierra 10.13.6 (17G65), officially released on 2018-07-09 but on Apple servers we find macOS High Sierra 10.13.6 (17G66) on 2019-10-19 with a slightly different build number.
 
Last edited:
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Mac Pro 5.1 with Sapphire RX580 8Gb

HDMI to DVI connection

I stopped using the HDMI ports for two monitors and switched to the DP ports because of stability issues in Windows Server... I ended up discovering that it's a problem with this card itself.

Crash Log:

panic(cpu 4 caller 0xffffff800fb8099f): userspace watchdog timeout: no successful checkins from WindowServer in 120 seconds
service: logd, total successful checkins since wake (361 seconds ago): 36, last successful checkin: 0 seconds ago
service: WindowServer, total successful checkins since wake (361 seconds ago): 24, last successful checkin: 120 seconds ago
service: opendirectoryd, total successful checkins since wake (361 seconds ago): 36, last successful checkin: 0 seconds ago

Panicked task 0xffffff9091c30a20: 3 threads: pid 117: watchdogd
Backtrace (CPU 4), panicked thread: 0xffffff9090bae000, Frame : Return Address
0xfffffff586d6b690 : 0xffffff800c679a3d mach_kernel : _handle_debugger_trap + 0x41d
0xfffffff586d6b6e0 : 0xffffff800c7dcd16 mach_kernel : _kdp_i386_trap + 0x116
0xfffffff586d6b720 : 0xffffff800c7cc083 mach_kernel : _kernel_trap + 0x4d3
0xfffffff586d6b770 : 0xffffff800c619a90 mach_kernel : _return_from_trap + 0xe0
0xfffffff586d6b790 : 0xffffff800c679e0d mach_kernel : _DebuggerTrapWithState + 0xad
0xfffffff586d6b8b0 : 0xffffff800c6795c6 mach_kernel : _panic_trap_to_debugger + 0x2b6
0xfffffff586d6b910 : 0xffffff800cf14ef3 mach_kernel : _panic_with_options + 0x89
0xfffffff586d6ba00 : 0xffffff800fb8099f com.apple.driver.watchdog : __ZN10IOWatchdog14userspacePanicEP8OSObjectPvP25IOExternalMethodArguments.cold.1 + 0x27
0xfffffff586d6ba10 : 0xffffff800fb805f2 com.apple.driver.watchdog : __ZN10IOWatchdog35userspaceDisableUserspaceMonitoringEP8OSObjectPvP25IOExternalMethodArguments
0xfffffff586d6ba30 : 0xffffff800fb7f971 com.apple.driver.watchdog : __ZN20IOWatchdogUserClient14externalMethodEjP25IOExternalMethodArgumentsP24IOExternalMethodDispatchP8OSObjectPv + 0x7f
0xfffffff586d6bb60 : 0xffffff800ce835fc mach_kernel : _is_io_connect_method + 0x42c
0xfffffff586d6bcc0 : 0xffffff800c782a36 mach_kernel : _iokit_server_routine + 0x4f56
0xfffffff586d6bdd0 : 0xffffff800c6544cb mach_kernel : _ipc_kmsg_send + 0x46b
0xfffffff586d6be60 : 0xffffff800c66ae49 mach_kernel : _mach_msg_overwrite_trap + 0x2c9
0xfffffff586d6bef0 : 0xffffff800c7aed4a mach_kernel : _mach_call_munger64 + 0x1ea
0xfffffff586d6bfa0 : 0xffffff800c61a276 mach_kernel : _hndl_mach_scall64 + 0x16
Kernel Extensions in backtrace:
com.apple.driver.watchdog(1.0)[8F0F267E-8747-3669-90EE-B2E2A77D51DD]@0xffffff800fb7e000->0xffffff800fb80fff

Process name corresponding to current thread (0xffffff9090bae000): watchdogd
Boot args: keepsyms=1 debug=0x100 -lilubetaall -btlfxallowanyaddr ipc_control_port_options=0 -nokcmismatchpanic

Mac OS version:
21H1123

Kernel version:
Darwin Kernel Version 21.6.0: Mon Feb 19 20:24:34 PST 2024; root:xnu-8020.240.18.707.4~1/RELEASE_X86_64
Kernel UUID: FAD66064-42E1-3834-A041-64EB64CDD8CD
KernelCache slide: 0x000000000c400000
KernelCache base: 0xffffff800c600000
Kernel slide: 0x000000000c410000
Kernel text base: 0xffffff800c610000
__HIB text base: 0xffffff800c500000
System model name: MacPro5,1 (Mac-27AD2F918AE68F61)
System shutdown begun: NO
Panic diags file available: YES (0x0)
Hibernation exit count: 0

System uptime in nanoseconds: 1131518031346
Last Sleep: absolute base_tsc base_nano
Uptime : 0x0000010773baffd1
Sleep : 0x000000b19266566a 0x00000014c6f21398 0x0000000000000000
Wake : 0x000000b193e86fa6 0x0000000053fa3844 0x000000b19316bb9c
Compressor Info: 0% of compressed pages limit (OK) and 0% of segments limit (OK) with 0 swapfiles and OK swap space
Zone info:
Zone map: 0xffffff808fb89000 - 0xffffffa08fb89000
. PGZ : 0xffffff808fb89000 - 0xffffff8093b8a000
. VM : 0xffffff8093b8a000 - 0xffffff855febd000
. RO : 0xffffff855febd000 - 0xffffff86f9523000
. GEN0 : 0xffffff86f9523000 - 0xffffff8bc5856000
. GEN1 : 0xffffff8bc5856000 - 0xffffff9091b89000
. GEN2 : 0xffffff9091b89000 - 0xffffff955debc000
. GEN3 : 0xffffff955debc000 - 0xffffff9a2a1ef000
. DATA : 0xffffff9a2a1ef000 - 0xffffffa08fb89000
Metadata: 0xfffffff5598a2000 - 0xfffffff5798a2000
Bitmaps : 0xfffffff5798a2000 - 0xfffffff5858a2000
 
No updates at all... stuck in 12.7.4 Monterey.

Changed the cables to DP - DVI (previous using HDMI output from the Rx 580) and stayed stable for 3 weeks.

Have some crash's about power management from the CPU (two) and from graphic issues (five) but learned that after restart sometimes the OCLP need to disconnected the monitors cables and put back in... hardware basic stuff.

Don't like mess to much with low profile stuff but after reading some things about EFI Rom and other stuff i can tell you i'm a bit nervous

🙄
 
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MurdockMan said:
No updates at all... stuck in 12.7.4 Monterey.

Changed the cables to DP - DVI (previous using HDMI output from the Rx 580) and stayed stable for 3 weeks.

Have some crash's about power management from the CPU (two) and from graphic issues (five) but learned that after restart sometimes the OCLP need to disconnected the monitors cables and put back in... hardware basic stuff.

Don't like mess to much with low profile stuff but after reading some things about EFI Rom and other stuff i can tell you i'm a bit nervous

🙄
Click to expand...
I would be too...hope you get it all sorted out
 
Last Crashes:

panic(cpu 4 caller 0xffffff801118099f): userspace watchdog timeout: no successful checkins from WindowServer in 120 seconds
service: logd, total successful checkins since load (460 seconds ago): 47, last successful checkin: 0 seconds ago
service: WindowServer, total successful checkins since load (430 seconds ago): 31, last successful checkin: 120 seconds ago
service: opendirectoryd, total successful checkins since load (460 seconds ago): 46, last successful checkin: 0 seconds ago

Panicked task 0xffffff9052b3fd10: 3 threads: pid 118: watchdogd
Backtrace (CPU 4), panicked thread: 0xffffff9053982000, Frame : Return Address
0xfffffff54549b690 : 0xffffff800dc79a3d mach_kernel : _handle_debugger_trap + 0x41d
0xfffffff54549b6e0 : 0xffffff800dddcd16 mach_kernel : _kdp_i386_trap + 0x116
0xfffffff54549b720 : 0xffffff800ddcc083 mach_kernel : _kernel_trap + 0x4d3
0xfffffff54549b770 : 0xffffff800dc19a90 mach_kernel : _return_from_trap + 0xe0
0xfffffff54549b790 : 0xffffff800dc79e0d mach_kernel : _DebuggerTrapWithState + 0xad
0xfffffff54549b8b0 : 0xffffff800dc795c6 mach_kernel : _panic_trap_to_debugger + 0x2b6
0xfffffff54549b910 : 0xffffff800e514ef3 mach_kernel : _panic_with_options + 0x89
0xfffffff54549ba00 : 0xffffff801118099f com.apple.driver.watchdog : __ZN10IOWatchdog14userspacePanicEP8OSObjectPvP25IOExternalMethodArguments.cold.1 + 0x27
0xfffffff54549ba10 : 0xffffff80111805f2 com.apple.driver.watchdog : __ZN10IOWatchdog35userspaceDisableUserspaceMonitoringEP8OSObjectPvP25IOExternalMethodArguments
0xfffffff54549ba30 : 0xffffff801117f971 com.apple.driver.watchdog : __ZN20IOWatchdogUserClient14externalMethodEjP25IOExternalMethodArgumentsP24IOExternalMethodDispatchP8OSObjectPv + 0x7f
0xfffffff54549bb60 : 0xffffff800e4835fc mach_kernel : _is_io_connect_method + 0x42c
0xfffffff54549bcc0 : 0xffffff800dd82a36 mach_kernel : _iokit_server_routine + 0x4f56
0xfffffff54549bdd0 : 0xffffff800dc544cb mach_kernel : _ipc_kmsg_send + 0x46b
0xfffffff54549be60 : 0xffffff800dc6ae49 mach_kernel : _mach_msg_overwrite_trap + 0x2c9
0xfffffff54549bef0 : 0xffffff800ddaed4a mach_kernel : _mach_call_munger64 + 0x1ea
0xfffffff54549bfa0 : 0xffffff800dc1a276 mach_kernel : _hndl_mach_scall64 + 0x16
Kernel Extensions in backtrace:
com.apple.driver.watchdog(1.0)[8F0F267E-8747-3669-90EE-B2E2A77D51DD]@0xffffff801117e000->0xffffff8011180fff

Process name corresponding to current thread (0xffffff9053982000): watchdogd
Boot args: keepsyms=1 debug=0x100 -lilubetaall -btlfxallowanyaddr ipc_control_port_options=0 -nokcmismatchpanic

Mac OS version:
21H1123

Kernel version:
Darwin Kernel Version 21.6.0: Mon Feb 19 20:24:34



And other, different:

Panic(CPU 7, time 38414452980): NMIPI for spinlock acquisition timeout, spinlock: 0xffffff9039d58590, spinlock owner: 0xffffff9039c0b540, current_thread: 0xffffff9039c0b540, spinlock_owner_cpu: 0x7
RAX: 0x000000008949f946, RBX: 0xffffff903a690680, RCX: 0x0000000000000008, RDX: 0x0000000000000029
RSP: 0xfffffff58930bba0, RBP: 0xfffffff58930bbd0, RSI: 0x000000493a02ec85, RDI: 0xffffff801609d980
R8: 0xffffff801612bd00, R9: 0xffffff801612a7f0, R10: 0x0000000000000004, R11: 0x0000000000000004
R12: 0xffffff903a681e00, R13: 0x0000000000000046, R14: 0xffffff801609d980, R15: 0xffffffca3cf50aa8
RFL: 0x0000000000000002, RIP: 0xffffff80168883b6, CS: 0x0000000000000008, SS: 0x0000000000000010
Panicked task 0xffffff9039d92380: 13 threads: pid 498: remindd
Backtrace (CPU 7), panicked thread: 0xffffff9039c0b540, Frame : Return Address
0xffffffd4b5e71f70 : 0xffffff80153cb8b7 mach_kernel : _interrupt + 0xd7
0xffffffd4b5e71fd0 : 0xffffff8015219c3d mach_kernel : _hndl_allintrs + 0x11d
0xfffffff58930bbd0 : 0xffffff80153d87e6 mach_kernel : _cpu_interrupt + 0x46
0xfffffff58930bbf0 : 0xffffff80152de12c mach_kernel : _catch_mach_exception_raise_identity_protected + 0x217c
0xfffffff58930bc40 : 0xffffff80157ffbfe mach_kernel : _workq_kern_threadreq_initiate + 0x2ee
0xfffffff58930bca0 : 0xffffff8015828d5f mach_kernel : _kevt_getstat + 0x1d3f
0xfffffff58930bce0 : 0xffffff801582c7d4 mach_kernel : _kevent_register + 0xc84
0xfffffff58930bdc0 : 0xffffff801582f9fa mach_kernel : _kevent_id + 0x39a
0xfffffff58930bec0 : 0xffffff801582f7f6 mach_kernel : _kevent_id + 0x196
0xfffffff58930bf40 : 0xffffff8015986f0b mach_kernel : _unix_syscall64 + 0x1fb
0xfffffff58930bfa0 : 0xffffff801521a256 mach_kernel : _hndl_unix_scall64 + 0x16
Kernel Extensions in backtrace:
com.apple.driver.AppleIntelCPUPowerManagement(222.0)[979905FA-8E1C-3267-8C2E-9CE07A9F0858]@0xffffff8016885000->0xffffff80168a1fff

Process name corresponding to current thread (0xffffff9039c0b540): remindd
Boot args: keepsyms=1 debug=0x100 -lilubetaall -btlfxallowanyaddr ipc_control_port_options=0 -nokcmismatchpanic

Mac OS version:
21H1123

Kernel version:
Darwin Kernel Version 21.6.0: Mon Feb 19 20:24:34 PST 2024; root:xnu-8020.240.18.707.4~1/RELEASE_X86_64
Kernel UUID: FAD66064-42E1-3834-A041-64EB64CDD8CD
KernelCache slide: 0x0000000015000000
KernelCache base: 0xffffff8015200000
Kernel slide: 0x0000000015010000
Kernel text base: 0xffffff8015210000
__HIB text base: 0xffffff8015100000
System model name: MacPro5,1 (Mac-27AD2F918AE68F61)
System shutdown begun: NO
Panic diags file available: YES (0x0)
Hibernation exit count: 0

System uptime in nanoseconds: 38415073252
Last Sleep: absolute base_tsc base_nano
Uptime : 0x00000008f1b78386
Sleep : 0x0000000000000000 0x0000000000000000 0x0000000000000000
Wake : 0x0000000000000000 0x00000011bebddac4 0x0000000000000000
Compressor Info: 0% of compressed pages limit (OK) and 0% of segments limit (OK) with 0 swapfiles and OK swap space
Zone info:
Zone map: 0xffffff80388e1000 - 0xffffffa0388e1000
. PGZ : 0xffffff80388e1000 - 0xffffff803c8e2000
. VM : 0xffffff803c8e2000 - 0xffffff8508c15000
. RO : 0xffffff8508c15000 - 0xffffff86a227b000
. GEN0 : 0xffffff86a227b000 - 0xffffff8b6e5ae000
. GEN1 : 0xffffff8b6e5ae000 - 0xffffff903a8e1000
. GEN2 : 0xffffff903a8e1000 - 0xffffff9506c14000
. GEN3 : 0xffffff9506c14000 - 0xffffff99d2f47000
. DATA : 0xffffff99d2f47000 - 0xffffffa0388e1000
Metadata: 0xffffffd53abf1000 - 0xffffffd55abf1000
Bitmaps : 0xffffffd55abf1000 - 0xffffffd566bf1000

mp_kdp_enter() timed-out on cpu 2, NMI-ing
Panic(CPU 3, time 38915100090): NMIPI for spinlock acquisition timeout, spinlock: 0xffffff9039d58590, spinlock owner: 0xffffff9039c0b540, current_thread: 0xffffff903a15d540, spinlock_owner_cpu: 0x7
RAX: 0x00000000d8aa60ac, RBX: 0xffffff903a690680, RCX: 0x0000000000000004, RDX: 0x0000000000000029
RSP: 0xfffffff58972bd90, RBP: 0xfffffff58972bdc0, RSI: 0x000000493b03232e, RDI: 0xffffff801609a2c0
R8: 0xffffff801612bd00, R9: 0xffffff801612a7f0, R10: 0x0000000000000004, R11: 0x0000000000000001
R12: 0xffffff903a682100, R13: 0x0000000000000046, R14: 0xffffff801609a2c0, R15: 0xffffffca3cf6daa8
RFL: 0x0000000000000002, RIP: 0xffffff80168883b6, CS: 0x0000000000000008, SS: 0x0000000000000010
Panicked task 0xffffff903a3099c0: 37 threads: pid 523: plugin-container
Backtrace (CPU 3), panicked thread: 0xffffff903a15d540, Frame : Return Address
0xffffffd4b5e7df70 : 0xffffff80153cb8b7 mach_kernel : _interrupt + 0xd7
0xffffffd4b5e7dfd0 : 0xffffff8015219c3d mach_kernel : _hndl_allintrs + 0x11d
0xfffffff58972bdc0 : 0xffffff80153d87e6 mach_kernel : _cpu_interrupt + 0x46
0xfffffff58972bde0 : 0xffffff80152de12c mach_kernel : _catch_mach_exception_raise_identity_protected + 0x217c
0xfffffff58972be30 : 0xffffff801876dda6 com.apple.kec.pthread : _ksyn_signal + 0x7c
0xfffffff58972be60 : 0xffffff801876e32c com.apple.kec.pthread : ___psynch_cvsignal + 0x494
0xfffffff58972bee0 : 0xffffff801876ed6b com.apple.kec.pthread : __psynch_cvsignal + 0x28
0xfffffff58972bf00 : 0xffffff80157f9b38 mach_kernel : _psynch_cvsignal + 0x38
0xfffffff58972bf40 : 0xffffff8015986f0b mach_kernel : _unix_syscall64 + 0x1fb
0xfffffff58972bfa0 : 0xffffff801521a256 mach_kernel : _hndl_unix_scall64 + 0x16
Kernel Extensions in backtrace:
com.apple.kec.pthread(1.0)[9059F1BF-E0A7-33C0-9F36-F456EA79DB36]@0xffffff801876a000->0xffffff8018770fff
Kernel Extensions in backtrace:
com.apple.driver.AppleIntelCPUPowerManagement(222.0)[979905FA-8E1C-3267-8C2E-9CE07A9F0858]@0xffffff8016885000->0xffffff80168a1fff

Process name corresponding to current thread (0xffffff903a15d540): plugin-container
Panic(CPU 6, time 38915100579): NMIPI for spinlock acquisition timeout, spinlock: 0xffffff9039d58590, spinlock owner: 0xffffff9039c0b540, current_thread: 0xffffff903a845aa0, spinlock_owner_cpu: 0x7
RAX: 0x00000000d8aa64d6, RBX: 0xffffff903a690680, RCX: 0x0000000000000007, RDX: 0x0000000000000029
RSP: 0xfffffff589543d60, RBP: 0xfffffff589543d90, RSI: 0x0000004989641b40, RDI: 0x0000000000000006
R8: 0x0000000000000000, R9: 0x00000008d3d8267a, R10: 0x0000000000000008, R11: 0xffffffca3cf2a7e8
R12: 0x00000000896418ba, R13: 0xffffff903a7304c0, R14: 0x0000000000000001, R15: 0x0000000000000029
RFL: 0x0000000000000002, RIP: 0xffffff801688f45a, CS: 0x0000000000000008, SS: 0x0000000000000000
Panicked task 0xffffff903a848670: 220 threads: pid 0: kernel_task
Backtrace (CPU 6), panicked thread: 0xffffff903a845aa0, Frame : Return Address
0xffffffd4b5e89f70 : 0xffffff80153cb8b7 mach_kernel : _interrupt + 0xd7
0xffffffd4b5e89fd0 : 0xffffff8015219c3d mach_kernel : _hndl_allintrs + 0x11d
0xfffffff589543d90 : 0xffffff8016887c78 com.apple.driver.AppleIntelCPUPowerManagement : _cstateIdle + 0x80d
0xfffffff589543e60 : 0xffffff8016886fe5 com.apple.driver.AppleIntelCPUPowerManagement : _i386_MachineIdle + 0xfa4
0xfffffff589543f20 : 0xffffff80153ce686 mach_kernel : _machine_idle + 0x1c6
0xfffffff589543f40 : 0xffffff80152a95ca mach_kernel : _processor_idle + 0x10a
0xfffffff589543f80 : 0xffffff80152a97c9 mach_kernel : _idle_thread + 0x49
0xfffffff589543fa0 : 0xffffff801521919e mach_kernel : _call_continuation + 0x2e
Kernel Extensions in backtrace:
com.apple.driver.AppleIntelCPUPowerManagement(222.0)[979905FA-8E1C-3267-8C2E-9CE07A9F0858]@0xffffff8016885000->0xffffff80168a1fff
Kernel Extensions in backtrace:
com.apple.driver.AppleIntelCPUPowerManagement(222.0)[979905FA-8E1C-3267-8C2E-9CE07A9F0858]@0xffffff8016885000->0xffffff80168a1fff

Process name corresponding to current thread (0xffffff903a845aa0): kernel_task
mp_kdp_enter() NMI pending on cpus: 0 1 4 5 7
mp_kdp_enter() timed-out during locked wait after NMI;expected 8 acks but received 4 after 14939533 loops in 1329999830 ticks
panic(cpu 2 caller 0xffffff80153c0b52): Spinlock acquisition timed out: lock=0xffffff9039d58590, lock owner thread=0xffffff9039c0b540, current_thread: 0xffffff903a0b9540, lock owner active on CPU 7, current owner: 0xffffff9039c0b540, spin time: 1330007099, start time: 177066974870, now: 178396981969, timeout: 1329999830 @locks_i386.c:489
Panicked task 0xffffff9039e5cce0: 65 threads: pid 360: firefox
Backtrace (CPU 2), panicked thread: 0xffffff903a0b9540, Frame : Return Address
0xfffffff5895e2cd0 : 0xffffff8015279a3d mach_kernel : _handle_debugger_trap + 0x41d
0xfffffff5895e2d20 : 0xffffff80153dcd16 mach_kernel : _kdp_i386_trap + 0x116
0xfffffff5895e2d60 : 0xffffff80153cc083 mach_kernel : _kernel_trap + 0x4d3
0xfffffff5895e2db0 : 0xffffff8015219a90 mach_kernel : _return_from_trap + 0xe0
0xfffffff5895e2dd0 : 0xffffff8015279e0d mach_kernel : _DebuggerTrapWithState + 0xad
0xfffffff5895e2ef0 : 0xffffff80152795c6 ma
 
Hi, is this a know issue because of the GPU? Imac mid 2011, 12,2 upgraded to Monterey using Open Core patcher.


 
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