Same error for me. panic(cpu 2 caller 0xffffff801377999f): userspace watchdog timeout: no successful checkins from WindowServer in 120 seconds service: logd, total successful checkins since load (200 seconds ago): 21, last successful checkin: 0 seconds ago service: WindowServer, total successful checkins since load (170 seconds ago): 5, last successful checkin: 120 seconds ago service: opendirectoryd, total successful checkins since load (200 seconds ago): 20, last successful checkin: 0 seconds ago Panicked task 0xffffff9525be4030: 3 threads: pid 110: watchdogd Backtrace (CPU 2), panicked thread: 0xffffff8b8c93daa0, Frame : Return Address 0xfffffffffb75b690 : 0xffffff801027fd6d 0xfffffffffb75b6e0 : 0xffffff80103e1086 0xfffffffffb75b720 : 0xffffff80103d03f3 0xfffffffffb75b770 : 0xffffff801021fa70 0xfffffffffb75b790 : 0xffffff801028013d 0xfffffffffb75b8b0 : 0xffffff801027f8f6 0xfffffffffb75b910 : 0xffffff8010b14ec3 0xfffffffffb75ba00 : 0xffffff801377999f 0xfffffffffb75ba10 : 0xffffff80137795f2 0xfffffffffb75ba30 : 0xffffff8013778971 0xfffffffffb75bb60 : 0xffffff8010a8365c 0xfffffffffb75bcc0 : 0xffffff8010386d86 0xfffffffffb75bdd0 : 0xffffff801025a9ab 0xfffffffffb75be60 : 0xffffff80102711a9 0xfffffffffb75bef0 : 0xffffff80103b305a 0xfffffffffb75bfa0 : 0xffffff8010220256 Kernel Extensions in backtrace: com.apple.driver.watchdog(1.0)[8BE4EE7F-9150-3161-BE84-36874BF82DE2]@0xffffff8013777000->0xffffff8013779fff Process name corresponding to current thread (0xffffff8b8c93daa0): watchdogd Mac OS version: 21G83 Kernel version: Darwin Kernel Version 21.6.0: Wed Aug 10 14:25:27 PDT 2022; root:xnu-8020.141.5~2/RELEASE_X86_64 Kernel UUID: D0DC2052-71F4-3DCB-B189-BEE5A59B3B42 KernelCache slide: 0x0000000010000000 KernelCache base: 0xffffff8010200000 Kernel slide: 0x0000000010010000 Kernel text base: 0xffffff8010210000 __HIB text base: 0xffffff8010100000 System model name: iMac17,1 (Mac-DB15BD556843C820) System shutdown begun: NO Panic diags file available: YES (0x0) Hibernation exit count: 0 System uptime in nanoseconds: 203715217517 Last Sleep: absolute base_tsc base_nano Uptime : 0x0000002f6e5f8c5e Sleep : 0x0000000000000000 0x0000000000000000 0x0000000000000000 Wake : 0x0000000000000000 0x0000001520b9124d 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: 0xffffff8057ddc000 - 0xffffffa057ddc000 . PGZ : 0xffffff8057ddc000 - 0xffffff805addd000 . VM : 0xffffff805addd000 - 0xffffff8527376000 . RO : 0xffffff8527376000 - 0xffffff86c0aa9000 . GEN0 : 0xffffff86c0aa9000 - 0xffffff8b8d042000 . GEN1 : 0xffffff8b8d042000 - 0xffffff90595db000 . GEN2 : 0xffffff90595db000 - 0xffffff9525b74000 . GEN3 : 0xffffff9525b74000 - 0xffffff99f210e000 . DATA : 0xffffff99f210e000 - 0xffffffa057ddc000 Metadata: 0xffffff802edcc000 - 0xffffff804edcc000 Bitmaps : 0xffffff804edcc000 - 0xffffff8057dcc000 last started kext at 35643890241: >driverkit.serial 6.0.0 (addr 0xffffff7fa94b5000, size 28672) last stopped kext at 107344913691: >IOPlatformPluginLegacy 1.0.0 (addr 0xffffff7fa93b1000, size 36864) loaded kexts: com.Cycling74.driver.Soundflower 2 etc.