Hi,
I just had the issue again and post here the console stuff from when everything was ok and then when the glitching started:
default 16:53:36.545522 +0200 opendirectoryd Client: <private>, UID: 501, EUID: 501, GID: 20, EGID: 20
default 16:53:36.570410 +0200 opendirectoryd Client: <private>, UID: 501, EUID: 501, GID: 20, EGID: 20
default 16:53:36.978889 +0200 opendirectoryd Client: <private>, UID: 0, EUID: 0, GID: 0, EGID: 0
default 16:53:36.979311 +0200 opendirectoryd Client: <private>, UID: 0, EUID: 0, GID: 20, EGID: 20
default 16:53:36.979749 +0200 opendirectoryd Client: <private>, UID: 501, EUID: 501, GID: 20, EGID: 20
default 16:53:37.009456 +0200 opendirectoryd Client: <private>, UID: 501, EUID: 501, GID: 20, EGID: 20
default 16:53:37.051788 +0200 opendirectoryd Client: <private>, UID: 501, EUID: 501, GID: 20, EGID: 20
default 16:53:41.538266 +0200 opendirectoryd Client: <private>, UID: 501, EUID: 501, GID: 20, EGID: 20
default 16:53:41.575751 +0200 opendirectoryd Client: <private>, UID: 501, EUID: 501, GID: 20, EGID: 20
default 16:53:43.689501 +0200 opendirectoryd Client: <private>, UID: 0, EUID: 0, GID: 0, EGID: 0
default 16:53:45.785817 +0200 spindump [44734] Not monitoring spin due to thermal pressure
default 16:53:46.330902 +0200 kernel + IOAudioEngineUserClient[<private>]::performWatchdogOutput(<private>, 44187) - (1573,e80)
default 16:53:46.330972 +0200 kernel - IOAudioEngineUserClient[<private>]::performWatchdogOutput(<private>, 44187) - (1573,1280)
default 16:53:46.336533 +0200 coreaudiod HALS_IOContext.cpp:1496:IOWorkLoop_HandleOverload: HALS_IOContext::IOWorkLoop_HandleOverload: Overload on context 1492 current time: 44986530 deadline: 44985972
default 16:53:46.336608 +0200 Live HALC_ProxyIOContext.cpp:1068:IOWorkLoop: HALC_ProxyIOContext::IOWorkLoop: skipping cycle due to overload
default 16:53:46.345343 +0200 kernel + IOAudioEngineUserClient[<private>]::performWatchdogOutput(<private>, 44189) - (1573,1280)
default 16:53:46.345387 +0200 kernel - IOAudioEngineUserClient[<private>]::performWatchdogOutput(<private>, 44189) - (1573,1680)
default 16:53:46.369743 +0200 kernel + IOAudioEngineUserClient[<private>]::performWatchdogOutput(<private>, 44190) - (1573,1680)
default 16:53:46.369812 +0200 kernel - IOAudioEngineUserClient[<private>]::performWatchdogOutput(<private>, 44190) - (1573,1a80)
default 16:53:46.542302 +0200 opendirectoryd Client: <private>, UID: 501, EUID: 501, GID: 20, EGID: 20
default 16:53:46.568642 +0200 opendirectoryd Client: <private>, UID: 501, EUID: 501, GID: 20, EGID: 20
default 16:53:47.055440 +0200 DropboxMacUpdate UNIX error exception: 17
default 16:53:47.055908 +0200 DropboxMacUpdate 0x7fce958068f0 opened /private/var/db/mds/system/mdsDirectory.db: 50744 bytes
default 16:53:47.070589 +0200 DropboxMacUpdate UNIX error exception: 17
default 16:53:47.071403 +0200 DropboxMacUpdate UNIX error exception: 17
default 16:53:47.071763 +0200 DropboxMacUpdate UNIX error exception: 17
default 16:53:49.685085 +0200 kernel + IOAudioEngineUserClient[<private>]::performWatchdogOutput(<private>, 44333) - (1585,1218)
default 16:53:49.685136 +0200 kernel - IOAudioEngineUserClient[<private>]::performWatchdogOutput(<private>, 44333) - (1585,1618)
default 16:53:49.702227 +0200 coreaudiod HALS_IOContext.cpp:1496:IOWorkLoop_HandleOverload: HALS_IOContext::IOWorkLoop_HandleOverload: Overload on context 1492 current time: 45135011 deadline: 45134348
default 16:53:49.702288 +0200 Live HALC_ProxyIOContext.cpp:1068:IOWorkLoop: HALC_ProxyIOContext::IOWorkLoop: skipping cycle due to overload
default 16:53:49.707900 +0200 kernel + IOAudioEngineUserClient[<private>]::performWatchdogOutput(<private>, 44335) - (1585,1618)
default 16:53:49.707965 +0200 kernel - IOAudioEngineUserClient[<private>]::performWatchdogOutput(<private>, 44335) - (1585,1a18)
default 16:53:49.735863 +0200 kernel + IOAudioEngineUserClient[<private>]::performWatchdogOutput(<private>, 44336) - (1585,1a18)
default 16:53:49.735932 +0200 kernel - IOAudioEngineUserClient[<private>]::performWatchdogOutput(<private>, 44336) - (1585,1e18)
default 16:53:50.022431 +0200 kernel SmartBattery: finished polling type 4
default 16:53:50.022820 +0200 coreduetd CDDBatteryMonitor: received batterycallback, currentPercentage:41.239552!
default 16:53:50.041661 +0200 powerd Battery time remaining posted with value 0x1000000004901a1
default 16:53:51.550477 +0200 opendirectoryd Client: <private>, UID: 501, EUID: 501, GID: 20, EGID: 20
default 16:53:51.578654 +0200 opendirectoryd Client: <private>, UID: 501, EUID: 501, GID: 20, EGID: 20
default 16:53:55.088345 +0200 kernel + IOAudioEngineUserClient[<private>]::performWatchdogOutput(<private>, 44567) - (15a2,14b4)
default 16:53:55.088417 +0200 kernel - IOAudioEngineUserClient[<private>]::performWatchdogOutput(<private>, 44567) - (15a2,18b4)
default 16:53:55.109868 +0200 coreaudiod HALS_IOContext.cpp:1496:IOWorkLoop_HandleOverload: HALS_IOContext::IOWorkLoop_HandleOverload: Overload on context 1492 current time: 45373426 deadline: 45372584
default 16:53:55.109934 +0200 Live HALC_ProxyIOContext.cpp:1068:IOWorkLoop: HALC_ProxyIOContext::IOWorkLoop: skipping cycle due to overload
default 16:53:55.111545 +0200 kernel + IOAudioEngineUserClient[<private>]::performWatchdogOutput(<private>, 44569) - (15a2,18b4)
default 16:53:55.111591 +0200 kernel - IOAudioEngineUserClient[<private>]::performWatchdogOutput(<private>, 44569) - (15a2,1cb4)
default 16:53:55.140424 +0200 kernel + IOAudioEngineUserClient[<private>]::performWatchdogOutput(<private>, 44570) - (15a2,1cb4)
default 16:53:55.140498 +0200 kernel - IOAudioEngineUserClient[<private>]::performWatchdogOutput(<private>, 44570) - (15a3,b4)
default 16:53:56.190483 +0200 BetterTouchTool MacOS error: -67052
default 16:53:56.194110 +0200 trustd UNIX error exception: 17
default 16:53:56.194194 +0200 trustd 0x7fe9c3123ec0 opened /private/var/db/mds/system/mdsDirectory.db: 50744 bytes
default 16:53:56.194399 +0200 trustd UNIX error exception: 17
default 16:53:56.194531 +0200 trustd 0x7fe9c1732910 opened /Users/robinhunt/Library/Keychains/login.keychain-db: 360484 bytes
default 16:53:56.199197 +0200 trustd 0x7fe9c1740160 opened /Library/Keychains/System.keychain: 271256 bytes
default 16:53:56.213160 +0200 trustd 0x7fe9c161b2b0 opened /System/Library/Keychains/SystemRootCertificates.keychain: 385940 bytes
default 16:53:56.217756 +0200 trustd asynchronously fetching CRL (http://crl.apple.com/timestamp.crl) for client (BetterTouchTool[29244])
default 16:53:56.218010 +0200 trustd asynchronously fetching CRL (http://crl.apple.com/root.crl) for client (BetterTouchTool[29244])
default 16:53:56.218131 +0200 ocspd 0x7ff7b9901d50 opened /private/var/db/crls/crlcache2.db: 25388 bytes
default 16:53:56.219999 +0200 gamed GKClientProxy: clientForBundleID:
default 16:53:56.220053 +0200 gamed GKClientProxy: updateIfRecentlyInstalled
default 16:53:56.220832 +0200 gamed GKClientProxy: clientForBundleID:
default 16:53:56.220879 +0200 gamed GKClientProxy: updateIfRecentlyInstalled
default 16:53:56.221496 +0200 trustd cert[2]: AnchorTrusted =(leaf)[force]> 0
default 16:53:56.547924 +0200 opendirectoryd Client: <private>, UID: 501, EUID: 501, GID: 20, EGID: 20
default 16:53:56.581950 +0200 opendirectoryd Client: <private>, UID: 501, EUID: 501, GID: 20, EGID: 20
default 16:53:56.730343 +0200 trustd asynchronously fetching CRL (http://crl.apple.com/timestamp.crl) for client (BetterTouchTool[29244])
default 16:53:56.730683 +0200 trustd asynchronously fetching CRL (http://crl.apple.com/root.crl) for client (BetterTouchTool[29244])
default 16:53:56.731830 +0200 trustd asynchronously fetching CRL (http://crl.apple.com/timestamp.crl) for client (BetterTouchTool[29244])
default 16:53:56.732038 +0200 trustd asynchronously fetching CRL (http://crl.apple.com/timestamp.crl) for client (BetterTouchTool[29244])
default 16:53:56.732092 +0200 trustd asynchronously fetching CRL (http://crl.apple.com/timestamp.crl) for client (BetterTouchTool[29244])
default 16:53:56.732368 +0200 trustd asynchronously fetching CRL (http://crl.apple.com/root.crl) for client (BetterTouchTool[29244])
default 16:53:56.732610 +0200 trustd asynchronously fetching CRL (http://crl.apple.com/root.crl) for client (BetterTouchTool[29244])
default 16:53:56.732761 +0200 trustd asynchronously fetching CRL (http://crl.apple.com/root.crl) for client (BetterTouchTool[29244])
default 16:53:56.733998 +0200 trustd cert[2]: AnchorTrusted =(leaf)[force]> 0
default 16:53:56.745135 +0200 trustd cert[2]: AnchorTrusted =(leaf)[force]> 0
default 16:53:56.746815 +0200 trustd cert[2]: AnchorTrusted =(leaf)[force]> 0
default 16:53:56.747888 +0200 trustd cert[2]: AnchorTrusted =(leaf)[force]> 0
default 16:53:56.863716 +0200 trustd asynchronously fetching CRL (http://crl.apple.com/timestamp.crl) for client (BetterTouchTool[29244])
default 16:53:56.863989 +0200 trustd asynchronously fetching CRL (http://crl.apple.com/root.crl) for client (BetterTouchTool[29244])
default 16:53:56.866237 +0200 trustd cert[2]: AnchorTrusted =(leaf)[force]> 0
default 16:53:59.968399 +0200 kernel + IOAudioEngine[<private>]::stopAudioEngine()
default 16:54:00.165104 +0200 kernel +-IOAudioEngine[<private>]::setState(0x0. oldState=0x1)
default 16:54:00.165127 +0200 kernel + IOAudioDevice[<private>]::audioEngineStopped() - numRunningAudioEngines = 1
default 16:54:00.165129 +0200 kernel + IOAudioDevice[<private>]::scheduleIdleAudioSleep: idleSleepDelayTime = 00
default 16:54:00.165131 +0200 kernel + IOAudioDevice[<private>]::initiatePowerStateChange(0x0) - current = 2 - pending = 1
default 16:54:00.165133 +0200 kernel + IOAudioDevice[<private>]::protectedCompletePowerStateChange() - current = 2 - pending = 1
default 16:54:00.165136 +0200 kernel - IOAudioDevice[<private>]::protectedCompletePowerStateChange() - current = 1 - pending = 1 returns 0x0
default 16:54:00.165138 +0200 kernel - IOAudioDevice[<private>]::initiatePowerStateChange(0x0) - current = 1 - pending = 1 returns 0x0
default 16:54:00.165139 +0200 kernel - IOAudioDevice[<private>]::scheduleIdleAudioSleep: idleSleepDelayTime = 00
default 16:54:00.165141 +0200 kernel - IOAudioDevice[<private>]::audioEngineStopped() - numRunningAudioEngines = 0
default 16:54:00.165142 +0200 kernel - IOAudioEngine[<private>]::stopAudioEngine() returns 0x0
default 16:54:00.165144 +0200 kernel + IOAudioEngine[<private>]::startAudioEngine(state = 0)
default 16:54:00.165146 +0200 kernel + IOAudioDevice[<private>]::audioEngineStarting() - numRunningAudioEngines = 0
default 16:54:00.165147 +0200 kernel + IOAudioDevice[<private>]::initiatePowerStateChange(0x0) - current = 1 - pending = 2
default 16:54:00.165149 +0200 kernel + IOAudioDevice[<private>]::protectedCompletePowerStateChange() - current = 1 - pending = 2
default 16:54:00.165150 +0200 kernel - IOAudioDevice[<private>]::protectedCompletePowerStateChange() - current = 2 - pending = 2 returns 0x0
default 16:54:00.165153 +0200 kernel - IOAudioDevice[<private>]::initiatePowerStateChange(0x0) - current = 2 - pending = 2 returns 0x0
default 16:54:00.165154 +0200 kernel - IOAudioDevice[<private>]::audioEngineStarting() - numRunningAudioEngines = 1
default 16:54:00.165156 +0200 kernel - IOAudioEngine[<private>]::stopEngineAtPosition(0,0)
default 16:54:00.165157 +0200 kernel +- IOAudioEngine[<private>]::resetStatusBuffer()
default 16:54:00.166101 +0200 kernel + IOAudioEngineUserClient::externalMethod, selector=0x4, arg0 0x0, arg1 0x0, arg2 0x0 arg3 0x0
default 16:54:00.166105 +0200 kernel scalarInputCount=0x0 structureInputSize 0x0, scalarOutputCount 0x0, structureOutputSize 0x0
default 16:54:00.168128 +0200 kernel +-IOAudioEngine[<private>]::setState(0x1. oldState=0)
default 16:54:00.168137 +0200 kernel - IOAudioEngine[<private>]::getTimerInterval()
default 16:54:00.168148 +0200 kernel - IOAudioEngine[<private>]::startAudioEngine() returns 0x0
default 16:54:00.168166 +0200 kernel + IOAudioStream[<private>]::removeClient(<private>)
default 16:54:00.168171 +0200 kernel +-IOAudioStream[<private>]::safeLogError kErrorLogDumpCounters mStreamErrorCountsUpdated=0
default 16:54:00.168182 +0200 kernel - IOAudioStream[<private>]::removeClient(<private>)
default 16:54:00.168210 +0200 kernel + IOAudioStream[<private>]::removeClient(<private>)
default 16:54:00.168234 +0200 kernel - IOAudioStream[<private>]::removeClient(<private>)
default 16:54:00.168326 +0200 kernel checking against 0x104341000
default 16:54:00.168397 +0200 kernel searching for sourceBuffer 0x104373000
default 16:54:00.168409 +0200 kernel - IOAudioStream[<private>]::removeClient(<private>)
default 16:54:00.168461 +0200 kernel checking against 0x104341000
default 16:54:00.168529 +0200 kernel + IOAudioStream[<private>]::removeClient(<private>)
default 16:54:00.168533 +0200 kernel - IOAudioStream[<private>]::removeClient(<private>)
default 16:54:00.168554 +0200 kernel - IOAudioEngineUserClient::unregisterClientBuffer64 no sourcebuffer returns 0x0
default 16:54:00.168556 +0200 kernel - IOAudioEngineUserClient::externalMethod returns 0x0
default 16:54:00.168566 +0200 kernel + IOAudioEngineUserClient::externalMethod, selector=0x1, arg0 0x1043A0000, arg1 0x5d4, arg2 0x0 arg3 0x0
default 16:54:00.168568 +0200 kernel scalarInputCount=0x2 structureInputSize 0x0, scalarOutputCount 0x0, structureOutputSize 0x0
default 16:54:00.168585 +0200 kernel + IOAudioEngineUserClient[<private>]::unregisterClientBuffer64(0x<private>, 0x5d4)
default 16:54:00.168586 +0200 kernel searching for sourceBuffer 0x1043a0000
default 16:54:00.168587 +0200 kernel checking against 0x1042fb000
default 16:54:00.168589 +0200 kernel checking against 0x104314000
default 16:54:00.168590 +0200 kernel checking against 0x104321000
default 16:54:00.168590 +0200 kernel checking against 0x104328000
default 16:54:00.168592 +0200 kernel checking against 0x104341000
default 16:54:00.168592 +0200 kernel checking input
default 16:54:00.168594 +0200 kernel + IOAudioStream[<private>]::removeClient(<private>)
default 16:54:00.168597 +0200 kernel +-IOAudioStream[<private>]::safeLogError kErrorLogDumpCounters mStreamErrorCountsUpdated=0
default 16:54:00.168598 +0200 kernel - IOAudioStream[<private>]::removeClient(<private>)
default 16:54:00.168618 +0200 kernel - IOAudioEngineUserClient::unregisterClientBuffer64 no sourcebuffer returns 0x0
default 16:54:00.168620 +0200 kernel - IOAudioEngineUserClient::externalMethod returns 0x0
default 16:54:00.168627 +0200 kernel + IOAudioEngineUserClient::externalMethod, selector=0x1, arg0 0x1042FB000, arg1 0x5d4, arg2 0x0 arg3 0x0
default 16:54:00.168629 +0200 kernel scalarInputCount=0x2 structureInputSize 0x0, scalarOutputCount 0x0, structureOutputSize 0x0
default 16:54:00.168645 +0200 kernel + IOAudioEngineUserClient[<private>]::unregisterClientBuffer64(0x<private>, 0x5d4)
default 16:54:00.168647 +0200 kernel searching for sourceBuffer 0x1042fb000
default 16:54:00.168648 +0200 kernel + IOAudioStream[<private>]::removeClient(<private>)
default 16:54:00.168650 +0200 kernel +-IOAudioStream[<private>]::safeLogError kErrorLogDumpCounters mStreamErrorCountsUpdated=0
default 16:54:00.168652 +0200 kernel - IOAudioStream[<private>]::removeClient(<private>)
default 16:54:00.168674 +0200 kernel - IOAudioEngineUserClient::unregisterClientBuffer64 no sourcebuffer returns 0x0
default 16:54:00.168675 +0200 kernel - IOAudioEngineUserClient::externalMethod returns 0x0
default 16:54:00.168683 +0200 kernel + IOAudioEngineUserClient::externalMethod, selector=0x1, arg0 0x104314000, arg1 0x5d4, arg2 0x0 arg3 0x0
default 16:54:00.168685 +0200 kernel scalarInputCount=0x2 structureInputSize 0x0, scalarOutputCount 0x0, structureOutputSize 0x0
default 16:54:00.168701 +0200 kernel + IOAudioEngineUserClient[<private>]::unregisterClientBuffer64(0x<private>, 0x5d4)
default 16:54:00.168704 +0200 kernel searching for sourceBuffer 0x104314000
default 16:54:00.168705 +0200 kernel + IOAudioStream[<private>]::removeClient(<private>)
default 16:54:00.168708 +0200 kernel +-IOAudioStream[<private>]::safeLogError kErrorLogDumpCounters mStreamErrorCountsUpdated=0
default 16:54:00.168709 +0200 kernel - IOAudioStream[<private>]::removeClient(<private>)
default 16:54:00.168725 +0200 kernel - IOAudioEngineUserClient::unregisterClientBuffer64 no sourcebuffer returns 0x0
default 16:54:00.168728 +0200 kernel - IOAudioEngineUserClient::externalMethod returns 0x0
default 16:54:00.168735 +0200 kernel + IOAudioEngineUserClient::externalMethod, selector=0x1, arg0 0x104321000, arg1 0x5d4, arg2 0x0 arg3 0x0
default 16:54:00.168737 +0200 kernel scalarInputCount=0x2 structureInputSize 0x0, scalarOutputCount 0x0, structureOutputSize 0x0
default 16:54:00.168754 +0200 kernel + IOAudioEngineUserClient[<private>]::unregisterClientBuffer64(0x<private>, 0x5d4)
default 16:54:00.168756 +0200 kernel searching for sourceBuffer 0x104321000
default 16:54:00.168758 +0200 kernel + IOAudioStream[<private>]::removeClient(<private>)
default 16:54:00.168760 +0200 kernel +-IOAudioStream[<private>]::safeLogError kErrorLogDumpCounters mStreamErrorCountsUpdated=0
default 16:54:00.168762 +0200 kernel - IOAudioStream[<private>]::removeClient(<private>)
default 16:54:00.168775 +0200 kernel - IOAudioEngineUserClient::unregisterClientBuffer64 no sourcebuffer returns 0x0
default 16:54:00.168776 +0200 kernel - IOAudioEngineUserClient::externalMethod returns 0x0
default 16:54:00.168781 +0200 kernel + IOAudioEngineUserClient::externalMethod, selector=0x1, arg0 0x104328000, arg1 0x5d4, arg2 0x0 arg3 0x0
default 16:54:00.168784 +0200 kernel scalarInputCount=0x2 structureInputSize 0x0, scalarOutputCount 0x0, structureOutputSize 0x0
default 16:54:00.168794 +0200 kernel + IOAudioEngineUserClient[<private>]::unregisterClientBuffer64(0x<private>, 0x5d4)
default 16:54:00.168796 +0200 kernel searching for sourceBuffer 0x104328000
default 16:54:00.168797 +0200 kernel + IOAudioStream[<private>]::removeClient(<private>)
default 16:54:00.168798 +0200 kernel +-IOAudioStream[<private>]::safeLogError kErrorLogDumpCounters mStreamErrorCountsUpdated=0
default 16:54:00.168799 +0200 kernel - IOAudioStream[<private>]::removeClient(<private>)
default 16:54:00.168814 +0200 kernel - IOAudioEngineUserClient::unregisterClientBuffer64 no sourcebuffer returns 0x0
default 16:54:00.168816 +0200 kernel - IOAudioEngineUserClient::externalMethod returns 0x0
default 16:54:00.168820 +0200 kernel + IOAudioEngineUserClient::externalMethod, selector=0x1, arg0 0x104341000, arg1 0x5d4, arg2 0x0 arg3 0x0
default 16:54:00.168822 +0200 kernel scalarInputCount=0x2 structureInputSize 0x0, scalarOutputCount 0x0, structureOutputSize 0x0
default 16:54:00.168833 +0200 kernel + IOAudioEngineUserClient[<private>]::unregisterClientBuffer64(0x<private>, 0x5d4)
default 16:54:00.168834 +0200 kernel searching for sourceBuffer 0x104341000
default 16:54:00.168836 +0200 kernel +- IOAudioEngineUserClient[<private>]::removeBufferSet(<private>)
default 16:54:00.168837 +0200 kernel + IOAudioStream[<private>]::removeClient(<private>)
default 16:54:00.168839 +0200 kernel +-IOAudioStream[<private>]::safeLogError kErrorLogDumpCounters mStreamErrorCountsUpdated=0
default 16:54:00.168841 +0200 kernel - IOAudioStream[<private>]::removeClient(<private>)
default 16:54:00.168854 +0200 kernel - IOAudioEngineUserClient::unregisterClientBuffer64 no sourcebuffer returns 0x0
default 16:54:00.168856 +0200 kernel - IOAudioEngineUserClient::externalMethod returns 0x0