This is a log dump just after playing a system sound
2020-03-04 21:55:32.203439+0100 localhost kernel[0]: (IOAudioFamily) + IOAudioEngineUserClient::externalMethod, selector=0x0, arg0 0x0, arg1 0x105fe2000, arg2 0x8010 arg3 0xa5
2020-03-04 21:55:32.203441+0100 localhost kernel[0]: (IOAudioFamily) scalarInputCount=0x4 structureInputSize 0x0, scalarOutputCount 0x0, structureOutputSize 0x0
2020-03-04 21:55:32.203465+0100 localhost kernel[0]: (IOAudioFamily) + IOAudioEngineUserClient::registerBuffer64 0x0 0x105fe2000 0x8010 0xa5
2020-03-04 21:55:32.203467+0100 localhost kernel[0]: (IOAudioFamily) + IOAudioEngineUserClient::safeRegisterClientBuffer64 <private>
2020-03-04 21:55:32.203471+0100 localhost kernel[0]: (IOAudioFamily) + IOAudioEngineUserClient[<private>]::registerClientBuffer64 (<private>[1], 0x105fe2000, 0x8010, 0xa5)
2020-03-04 21:55:32.203472+0100 localhost kernel[0]: (IOAudioFamily) null clientBufferSetList
2020-03-04 21:55:32.203473+0100 localhost kernel[0]: (IOAudioFamily) did not find clientBufferSetList for ID 0xa5
2020-03-04 21:55:32.203534+0100 localhost kernel[0]: (IOAudioFamily) clientBuffer->mAudioClientBuffer32.sourceBuffer before offset: <private>, offset size: 16
2020-03-04 21:55:32.203535+0100 localhost kernel[0]: (IOAudioFamily) clientBuffer->mAudioClientBuffer32.sourceBuffer after offset: <private>
2020-03-04 21:55:32.203535+0100 localhost kernel[0]: (IOAudioFamily) null clientBufferSetList
2020-03-04 21:55:32.203536+0100 localhost kernel[0]: (IOAudioFamily) did not find clientBufferSetList for ID 0xa5
2020-03-04 21:55:32.203537+0100 localhost kernel[0]: (IOAudioFamily) creating new IOAudioClientBufferSet
2020-03-04 21:55:32.203538+0100 localhost kernel[0]: (IOAudioFamily) output
2020-03-04 21:55:32.203538+0100 localhost kernel[0]: (IOAudioFamily) !isOnline
2020-03-04 21:55:32.203539+0100 localhost kernel[0]: (IOAudioFamily) - IOAudioEngineUserClient::registerClientBuffer64() result 0x0
2020-03-04 21:55:32.203540+0100 localhost kernel[0]: (IOAudioFamily) - IOAudioEngineUserClient::safeRegisterClientBuffer64 returns 0x0
2020-03-04 21:55:32.203542+0100 localhost kernel[0]: (IOAudioFamily) - IOAudioEngineUserClient::registerBuffer64 0x0 0x105fe2000 0x8010 0xa5 returns 0x0
2020-03-04 21:55:32.203543+0100 localhost kernel[0]: (IOAudioFamily) - IOAudioEngineUserClient::externalMethod returns 0x0
2020-03-04 21:55:32.203557+0100 localhost kernel[0]: (IOAudioFamily) + IOAudioEngineUserClient::externalMethod, selector=0x3, arg0 0x0, arg1 0x0, arg2 0x0 arg3 0x0
2020-03-04 21:55:32.203558+0100 localhost kernel[0]: (IOAudioFamily) scalarInputCount=0x0 structureInputSize 0x0, scalarOutputCount 0x0, structureOutputSize 0x0
2020-03-04 21:55:32.203575+0100 localhost kernel[0]: (IOAudioFamily) + IOAudioEngineUserClient[<private>]::startClient() - 0
2020-03-04 21:55:32.203576+0100 localhost kernel[0]: (IOAudioFamily) audioEngine && !isInactive(). State = 0
2020-03-04 21:55:32.203577+0100 localhost kernel[0]: (IOAudioFamily) audioEngine->getState() != kIOAudioEnginePaused
2020-03-04 21:55:32.203580+0100 localhost kernel[0]: (IOAudioFamily) +- IOAudioEngineUserClient[<private>]::setOnline(1)
2020-03-04 21:55:32.203581+0100 localhost kernel[0]: (IOAudioFamily) !isOnline() setting online
2020-03-04 21:55:32.203583+0100 localhost kernel[0]: (IOAudioFamily) + IOAudioEngine[<private>]::startClient(<private>)
2020-03-04 21:55:32.203584+0100 localhost kernel[0]: (IOAudioFamily) + IOAudioEngine[<private>]::incrementActiveUserClients() - 0
2020-03-04 21:55:32.203587+0100 localhost kernel[0]: (IOAudioFamily) + IOAudioEngine[<private>]::startAudioEngine(state = 0)
2020-03-04 21:55:32.203589+0100 localhost kernel[0]: (IOAudioFamily) + IOAudioDevice[<private>]::protectedCompletePowerStateChange() - current = 2 - pending = 2
2020-03-04 21:55:32.203590+0100 localhost kernel[0]: (IOAudioFamily) - IOAudioDevice[<private>]::protectedCompletePowerStateChange() - current = 2 - pending = 2 returns 0x0
2020-03-04 21:55:32.203593+0100 localhost kernel[0]: (IOAudioFamily) + IOAudioDevice[<private>]::protectedCompletePowerStateChange() - current = 2 - pending = 2
2020-03-04 21:55:32.203594+0100 localhost kernel[0]: (IOAudioFamily) - IOAudioDevice[<private>]::protectedCompletePowerStateChange() - current = 2 - pending = 2 returns 0x0
2020-03-04 21:55:32.203596+0100 localhost kernel[0]: (IOAudioFamily) + IOAudioDevice[<private>]::audioEngineStarting() - numRunningAudioEngines = 0
2020-03-04 21:55:32.203597+0100 localhost kernel[0]: (IOAudioFamily) - IOAudioDevice[<private>]::audioEngineStarting() - numRunningAudioEngines = 1
2020-03-04 21:55:32.203598+0100 localhost kernel[0]: (IOAudioFamily) +- IOAudioEngine[<private>]::resetStatusBuffer()
2020-03-04 21:55:32.205103+0100 localhost kernel[0]: (IOAudioFamily) +-IOAudioEngine[<private>]::setState(0x1. oldState=0)
2020-03-04 21:55:32.205129+0100 localhost kernel[0]: (IOAudioFamily) - IOAudioEngine[<private>]::getTimerInterval()
2020-03-04 21:55:32.205176+0100 localhost kernel[0]: (IOAudioFamily) - IOAudioEngine[<private>]::startAudioEngine() returns 0x0
2020-03-04 21:55:32.205178+0100 localhost kernel[0]: (IOAudioFamily) - IOAudioEngine[<private>]::incrementActiveUserClients() - 1 returns 0
2020-03-04 21:55:32.205179+0100 localhost kernel[0]: (IOAudioFamily) - IOAudioEngine[<private>]::startClient(<private>) returns 0x0
2020-03-04 21:55:32.205180+0100 localhost kernel[0]: (IOAudioFamily) engine started
2020-03-04 21:55:32.205181+0100 localhost kernel[0]: (IOAudioFamily) bufferSet <private>
2020-03-04 21:55:32.205182+0100 localhost kernel[0]: (IOAudioFamily) output clientBuffer <private>
2020-03-04 21:55:32.205183+0100 localhost kernel[0]: (IOAudioFamily) + IOAudioStream[<private>]::addClient(<private>)
2020-03-04 21:55:32.205187+0100 localhost kernel[0]: (IOAudioFamily) - IOAudioStream[<private>]::addClient(<private>) returns 0x0
2020-03-04 21:55:32.205189+0100 localhost kernel[0]: (IOAudioFamily) - IOAudioEngineUserClient[<private>]::startClient() - 1 returns 0x0
2020-03-04 21:55:32.205191+0100 localhost kernel[0]: (IOAudioFamily) - IOAudioEngineUserClient::externalMethod returns 0x0
2020-03-04 21:55:32.362908+0100 localhost kernel[0]: (IOUSBHostHIDDevice) 002261.617074 IOUSBHostHIDDevice: IOUSBHostHIDDevice::interruptReadComplete: IO error 0xe00002ed, 5 retries remaining
2020-03-04 21:55:32.434829+0100 localhost kernel[0]: (IOUSBHostHIDDevice) 002261.688994 IOUSBHostHIDDevice: IOUSBHostHIDDevice::interruptReadComplete: IO error 0xe00002ed, 4 retries remaining
2020-03-04 21:55:32.642888+0100 localhost kernel[0]: (IOUSBHostHIDDevice) 002261.897053 IOUSBHostHIDDevice: IOUSBHostHIDDevice::interruptReadComplete: IO error 0xe00002ed, 3 retries remaining
2020-03-04 21:55:32.717541+0100 localhost systemsoundserverd[352]: [com.apple.coreaudio:sss] 50: Calling completion proc for token 152, this 0x7fb8e1928200
2020-03-04 21:55:32.717544+0100 localhost systemsoundserverd[352]: [com.apple.coreaudio:sss] 238: Audio completed for mActionID 4096, token 152, elapsed time 514
2020-03-04 21:55:32.717544+0100 localhost systemsoundserverd[352]: [com.apple.coreaudio:sss] 279: System sound finished playing, mActionID 4096, token 152, total time 514 ms
2020-03-04 21:55:32.717589+0100 localhost systemsoundserverd[352]: [com.apple.coreaudio:sss] 316: Number of active sounds remaining 0
2020-03-04 21:55:32.722959+0100 localhost kernel[0]: (IOAudioFamily) + IOAudioEngineUserClient::externalMethod, selector=0x4, arg0 0x0, arg1 0x0, arg2 0x0 arg3 0x0
2020-03-04 21:55:32.722961+0100 localhost kernel[0]: (IOAudioFamily) scalarInputCount=0x0 structureInputSize 0x0, scalarOutputCount 0x0, structureOutputSize 0x0
2020-03-04 21:55:32.722996+0100 localhost kernel[0]: (IOAudioFamily) + IOAudioStream[<private>]::removeClient(<private>)
2020-03-04 21:55:32.723001+0100 localhost kernel[0]: (IOAudioFamily) +-IOAudioStream[<private>]::safeLogError kErrorLogDumpCounters mStreamErrorCountsUpdated=0
2020-03-04 21:55:32.723002+0100 localhost kernel[0]: (IOAudioFamily) - IOAudioStream[<private>]::removeClient(<private>)
2020-03-04 21:55:32.723052+0100 localhost kernel[0]: (IOAudioFamily) +- IOAudioEngine[<private>]::decrementActiveUserClients() - 0 returns 0x0
2020-03-04 21:55:32.723054+0100 localhost kernel[0]: (IOAudioFamily) +- IOAudioEngine[<private>]::stopClient(<private>) returns 0x0
2020-03-04 21:55:32.723056+0100 localhost kernel[0]: (IOAudioFamily) +- IOAudioEngineUserClient[<private>]::setOnline(0)
2020-03-04 21:55:32.723058+0100 localhost kernel[0]: (IOAudioFamily) - IOAudioEngineUserClient::externalMethod returns 0x0
2020-03-04 21:55:32.723073+0100 localhost kernel[0]: (IOAudioFamily) + IOAudioEngineUserClient::externalMethod, selector=0x1, arg0 0x105FE2000, arg1 0xa5, arg2 0x0 arg3 0x0
2020-03-04 21:55:32.723075+0100 localhost kernel[0]: (IOAudioFamily) scalarInputCount=0x2 structureInputSize 0x0, scalarOutputCount 0x0, structureOutputSize 0x0
2020-03-04 21:55:32.723096+0100 localhost kernel[0]: (IOAudioFamily) + IOAudioEngineUserClient[<private>]::unregisterClientBuffer64(0x<private>, 0xa5)
2020-03-04 21:55:32.723097+0100 localhost kernel[0]: (IOAudioFamily) searching for sourceBuffer 0x105fe2000
2020-03-04 21:55:32.723105+0100 localhost kernel[0]: (IOAudioFamily) +- IOAudioEngineUserClient[<private>]::removeBufferSet(<private>)
2020-03-04 21:55:32.723107+0100 localhost kernel[0]: (IOAudioFamily) + IOAudioStream[<private>]::removeClient(<private>)
2020-03-04 21:55:32.723108+0100 localhost kernel[0]: (IOAudioFamily) +-IOAudioStream[<private>]::safeLogError kErrorLogDumpCounters mStreamErrorCountsUpdated=0
2020-03-04 21:55:32.723109+0100 localhost kernel[0]: (IOAudioFamily) - IOAudioStream[<private>]::removeClient(<private>)
2020-03-04 21:55:32.723127+0100 localhost kernel[0]: (IOAudioFamily) - IOAudioEngineUserClient::unregisterClientBuffer64 no sourcebuffer returns 0x0
2020-03-04 21:55:32.723129+0100 localhost kernel[0]: (IOAudioFamily) - IOAudioEngineUserClient::externalMethod returns 0x0
2020-03-04 21:55:32.816816+0100 localhost Mouse Fix Helper[325]: Input HID (InputReceiver)
2020-03-04 21:55:32.818551+0100 localhost WindowServer[175]: (SkyLight) [com.apple.SkyLight:front-35286506] SetFrontProcessInternal(0x0,0x3a03a pid549) Posting kCGSEventResume to application, allWindows=0 noWindows=0 userGenerated=0.
2020-03-04 21:55:32.818677+0100 localhost Hackintool[572]: (LaunchServices) 27366555: RECEIVED OUT-OF-SEQUENCE NOTIFICATION: 0 vs 214, 513, <private>
2020-03-04 21:55:32.818754+0100 localhost contextstored[122]: (LaunchServices) 27366555: RECEIVED OUT-OF-SEQUENCE NOTIFICATION: 111 vs 135, 513, <private>
2020-03-04 21:55:32.820604+0100 localhost contextstored[122]: (CoreDuet) Created Activity ID: 0x47d1, Description: Duet: saveObjects async
2020-03-04 21:55:32.880812+0100 localhost Mouse Fix Helper[325]: Input HID (InputReceiver)
2020-03-04 21:55:33.314802+0100 localhost kernel[0]: (IOAudioFamily) + IOAudioEngine[<private>]::stopAudioEngine()
2020-03-04 21:55:33.314928+0100 localhost kernel[0]: (IOAudioFamily) +-IOAudioEngine[<private>]::setState(0x0. oldState=0x1)
2020-03-04 21:55:33.314978+0100 localhost kernel[0]: (IOAudioFamily) + IOAudioDevice[<private>]::audioEngineStopped() - numRunningAudioEngines = 1
2020-03-04 21:55:33.314981+0100 localhost kernel[0]: (IOAudioFamily) + IOAudioDevice[<private>]::scheduleIdleAudioSleep: idleSleepDelayTime = ffffffffffffffffffffffff
2020-03-04 21:55:33.314983+0100 localhost kernel[0]: (IOAudioFamily) - IOAudioDevice[<private>]::scheduleIdleAudioSleep: idleSleepDelayTime = ffffffffffffffffffffffff
2020-03-04 21:55:33.314984+0100 localhost kernel[0]: (IOAudioFamily) - IOAudioDevice[<private>]::audioEngineStopped() - numRunningAudioEngines = 0
2020-03-04 21:55:33.314986+0100 localhost kernel[0]: (IOAudioFamily) - IOAudioEngine[<private>]::stopAudioEngine() returns 0x0
2020-03-04 21:55:33.314987+0100 localhost kernel[0]: (IOAudioFamily) +-IOAudioEngine[<private>]::setState(0x0. oldState=0)
2020-03-04 21:55:33.648024+0100 localhost log[606]: (libsystem_info.dylib) Created Activity ID: 0x4830, Description: Retrieve User by ID
2020-03-04 21:55:33.649752+0100 localhost kernel[0]: (Sandbox) failed to lookup target storage class: 2
2020-03-04 21:55:33.649759+0100 localhost kernel[0]: (Sandbox) failed to lookup target storage class: 2
2020-03-04 21:55:33.649764+0100 localhost kernel[0]: (Sandbox) failed to lookup target storage class: 2
2020-03-04 21:55:33.650033+0100 localhost log[606]: (libsystem_info.dylib) Created Activity ID: 0x4831, Description: Membership API: translate identifier