panic(cpu 4 caller 0xffffff800ab7e99f): userspace watchdog timeout: no successful checkins from WindowServer in 120 seconds
service: logd, total successful checkins since load (2410 seconds ago): 242, last successful checkin: 0 seconds ago
service: WindowServer, total successful checkins since load (2380 seconds ago): 226, last successful checkin: 120 seconds ago
service: opendirectoryd, total successful checkins since load (2410 seconds ago): 241, last successful checkin: 0 seconds ago

Panicked task 0xffffff953b29e670: 3 threads: pid 103: watchdogd
Backtrace (CPU 4), panicked thread: 0xffffff906f74caa0, Frame : Return Address
0xfffffff51a203690 : 0xffffff800767af4d mach_kernel : _handle_debugger_trap + 0x41d
0xfffffff51a2036e0 : 0xffffff80077ddc06 mach_kernel : _kdp_i386_trap + 0x116
0xfffffff51a203720 : 0xffffff80077ccf73 mach_kernel : _kernel_trap + 0x4d3
0xfffffff51a203770 : 0xffffff800761aa70 mach_kernel : _return_from_trap + 0xe0
0xfffffff51a203790 : 0xffffff800767b31d mach_kernel : _DebuggerTrapWithState + 0xad
0xfffffff51a2038b0 : 0xffffff800767aad6 mach_kernel : _panic_trap_to_debugger + 0x2b6
0xfffffff51a203910 : 0xffffff8007f147f3 mach_kernel : _panic_with_options + 0x89
0xfffffff51a203a00 : 0xffffff800ab7e99f com.apple.driver.watchdog : __ZN10IOWatchdog14userspacePanicEP8OSObjectPvP25IOExternalMethodArguments.cold.1 + 0x27
0xfffffff51a203a10 : 0xffffff800ab7e5f2 com.apple.driver.watchdog : __ZN10IOWatchdog35userspaceDisableUserspaceMonitoringEP8OSObjectPvP25IOExternalMethodArguments
0xfffffff51a203a30 : 0xffffff800ab7d971 com.apple.driver.watchdog : __ZN20IOWatchdogUserClient14externalMethodEjP25IOExternalMethodArgumentsP24IOExternalMethodDispatchP8OSObjectPv + 0x7f
0xfffffff51a203b60 : 0xffffff8007e82f2c mach_kernel : _is_io_connect_method + 0x42c
0xfffffff51a203cc0 : 0xffffff80077838c6 mach_kernel : _iokit_server_routine + 0x4f56
0xfffffff51a203dd0 : 0xffffff8007655a5b mach_kernel : _ipc_kmsg_send + 0x46b
0xfffffff51a203e60 : 0xffffff800766c389 mach_kernel : _mach_msg_overwrite_trap + 0x2c9
0xfffffff51a203ef0 : 0xffffff80077afbda mach_kernel : _mach_call_munger64 + 0x1ea
0xfffffff51a203fa0 : 0xffffff800761b256 mach_kernel : _hndl_mach_scall64 + 0x16
      Kernel Extensions in backtrace:
         com.apple.driver.watchdog(1.0)[B17DE713-4E6F-334C-8414-BC2AF048195C]@0xffffff800ab7c000->0xffffff800ab7efff

Process name corresponding to current thread (0xffffff906f74caa0): watchdogd
Boot args: -v keepsyms=1 debug=0x100 agdpmod=pikera chunklist-security-epoch=0 -chunklist-no-rev2-dev

Mac OS version:
21G816

Kernel version:
Darwin Kernel Version 21.6.0: Fri Sep 15 16:17:23 PDT 2023; root:xnu-8020.240.18.703.5~1/RELEASE_X86_64
Kernel UUID: E2CFB82A-F829-3647-9B0F-4C451F6E7B05
KernelCache slide: 0x0000000007400000
KernelCache base:  0xffffff8007600000
Kernel slide:      0x0000000007410000
Kernel text base:  0xffffff8007610000
__HIB  text base: 0xffffff8007500000
System model name: iMacPro1,1 (Mac-7BA5B2D9E42DDD94)
System shutdown begun: NO
Panic diags file available: YES (0x0)
Hibernation exit count: 0

System uptime in nanoseconds: 2419324652573
Last Sleep:           absolute           base_tsc          base_nano
  Uptime  : 0x000002334afc8e1f
  Sleep   : 0x0000000000000000 0x0000000000000000 0x0000000000000000
  Wake    : 0x0000000000000000 0x00000016c0d912c4 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: 0xffffff806ceef000 - 0xffffffa06ceef000
  . PGZ   : 0xffffff806ceef000 - 0xffffff8070ef0000
  . VM    : 0xffffff8070ef0000 - 0xffffff853d223000
  . RO    : 0xffffff853d223000 - 0xffffff86d6889000
  . GEN0  : 0xffffff86d6889000 - 0xffffff8ba2bbc000
  . GEN1  : 0xffffff8ba2bbc000 - 0xffffff906eeef000
  . GEN2  : 0xffffff906eeef000 - 0xffffff953b222000
  . GEN3  : 0xffffff953b222000 - 0xffffff9a07555000
  . DATA  : 0xffffff9a07555000 - 0xffffffa06ceef000
  Metadata: 0xffffffffd3fee000 - 0xfffffffff3fee000
  Bitmaps : 0xfffffffff3fee000 - 0xfffffffffffee000