{"caused_by":"bridgeos","macos_system_state":"shutdown","bug_type":"210","os_version":"Bridge OS 4.6 (17P6610)","timestamp":"2021-04-28 06:03:39.00 +0000","incident_id":"AD9DB728-E87D-4B08-ACBC-1B081D3DEA0A"}
{
  "build" : "Bridge OS 4.6 (17P6610)",
  "product" : "iBridge2,4",
  "kernel" : "Darwin Kernel Version 19.6.0: Thu Jun 18 20:30:46 PDT 2020; root:xnu-6153.145.1~1\/RELEASE_ARM64_T8010",
  "incident" : "AD9DB728-E87D-4B08-ACBC-1B081D3DEA0A",
  "crashReporterKey" : "c0dec0dec0dec0dec0dec0dec0dec0dec0de0001",
  "date" : "2021-04-28 06:03:38.83 +0000",
  "panicString" : "panic(cpu 0 caller 0xfffffff022013f00): userspace watchdog timeout: no successful checkins from com.apple.dfrd in 180 seconds\nservice: com.apple.dfrd, total successful checkins since load (42471 seconds ago): 4229, last successful checkin: 180 seconds ago\nservice: com.apple.UserEventAgent-System, total successful checkins since load (42471 seconds ago): 4248, last successful checkin: 0 seconds ago\nservice: com.apple.bridgeaudiod, total successful checkins since load (42471 seconds ago): 4248, last successful checkin: 0 seconds ago\nservice: com.apple.logd, total successful checkins since load (42471 seconds ago): 4248, last successful checkin: 0 seconds ago\n\nDebugger message: panic\nMemory ID: 0x6\nOS version: 17P6610\nmacOS version: Not set\nKernel version: Darwin Kernel Version 19.6.0: Thu Jun 18 20:30:46 PDT 2020; root:xnu-6153.145.1~1\/RELEASE_ARM64_T8010\nKernel UUID: B4EDD42A-0513-3B38-A0EF-ED8AF599F183\niBoot version: iBoot-5540.140.12\nsecure boot?: YES\nx86 EFI Boot State: 0x16\nx86 System State: 0x3\nx86 Power State: 0x6\nx86 Shutdown Cause: 0x5\nx86 Previous Power Transitions: 0x60400040506\nPCIeUp link state: 0x16892700\nPaniclog version: 13\nKernel slide:     0x0000000019b9c000\nKernel text base: 0xfffffff020ba0000\nmach_absolute_time: 0xed5e0c763b\nEpoch Time:        sec       usec\n  Boot    : 0x608854c1 0x00006471\n  Sleep   : 0x00000000 0x00000000\n  Wake    : 0x00000000 0x00000000\n  Calendar: 0x6088faab 0x0003e1a3\n\nTotal cpu_usage: 17591452\nThread task pri cpu_usage\n0xffffffe000edda68 watchdogd 97 8973\n0xffffffe000d90fd8 watchdogd 31 1270\n0xffffffe00055da68 kernel_task 0 7516165\n0xffffffe00074c000 kernel_task 0 7715153\n\nPanicked task 0xffffffe001344200: 218 pages, 3 threads: pid 33: watchdogd\nPanicked