I'm getting this error messages with my driver when I start up audacity or the control panel
Dec 18 19:14:04 vlieland kernel[0]: EMUXUCustomControl::addUserClient 0xffffff804ef3f700, 0
Dec 18 19:14:04 vlieland kernel[0]: EMUXUCustomControl::addUserClient 0xffffff804ef3f600, 0
Dec 18 19:14:04 vlieland kernel[0]: new format from INPUT
Dec 18 19:14:04 vlieland kernel[0]: +EMUUSBAudioEngine::performFormatChange existing sampleRate is 96000 direction 1
Dec 18 19:14:04 vlieland kernel[0]: newFormat->fBitDepth 24, newFormat->fNumChannels 2
Dec 18 19:14:04 vlieland kernel[0]: fDriverTag = 0x20007
Dec 18 19:14:04 vlieland kernel[0]: ++about to set input : ourInterfaceNumber = 2 & newAlternateSettingID = 7
Dec 18 19:14:04 vlieland kernel[0]: averageSampleRate = 96000
Dec 18 19:14:04 vlieland kernel[0]: alternateFrameSize is 586
Dec 18 19:14:04 vlieland kernel[0]: EMUUSBAudioEngine::SetSampleRate 96000
Dec 18 19:14:04 vlieland kernel[0]: using SampleRateXU
Dec 18 19:14:04 vlieland kernel[0]: called setNumSampleFramesPerBuffer with 12288
Dec 18 19:14:04 vlieland kernel[0]: newFormat->fNumChannels = 2, newFormat->fBitWidth 24
Dec 18 19:14:04 vlieland kernel[0]: -EMUUSBAudioEngine::performFormatChange, result = 0
Dec 18 19:14:04 vlieland kernel[0]: new format from OUTPUT
Dec 18 19:14:04 vlieland kernel[0]: +EMUUSBAudioEngine::performFormatChange existing sampleRate is 96000 direction 0
Dec 18 19:14:04 vlieland kernel[0]: newFormat->fBitDepth 24, newFormat->fNumChannels 2
Dec 18 19:14:04 vlieland kernel[0]: fDriverTag = 0x10007
Dec 18 19:14:04 vlieland kernel[0]: ++about to set output : ourInterfaceNumber = 1 & newAlternateSettingID = 7
Dec 18 19:14:04 vlieland kernel[0]: alternateFrameSize is 586
Dec 18 19:14:04 vlieland kernel[0]: EMUUSBAudioEngine::SetSampleRate 96000
Dec 18 19:14:04 vlieland kernel[0]: using SampleRateXU
Dec 18 19:14:04 vlieland kernel[0]: called setNumSampleFramesPerBuffer with 12288
Dec 18 19:14:04 vlieland kernel[0]: newFormat->fNumChannels = 2, newFormat->fBitWidth 24
Dec 18 19:14:04 vlieland kernel[0]: -EMUUSBAudioEngine::performFormatChange, result = 0
Dec 18 19:14:04 vlieland kernel[0]: +EMUUSBAudioDevice::hardwareVolumeChangedHandler
Dec 18 19:14:04 vlieland kernel[0]: unitID 14
Dec 18 19:14:04 vlieland kernel[0]: mDigitalIOXU
Dec 18 19:14:04 vlieland kernel[0]: +EMUUSBAudioDevice[0xffffff8048806000]::QueryXU
Dec 18 19:14:04 vlieland kernel[0]: DigitalIOStatus changed
Dec 18 19:14:04 vlieland kernel[0]: Digital IO SampleRate
Dec 18 19:14:04 vlieland kernel[0]: EMUUSBAudioDevice::deviceRequest result=0
Dec 18 19:14:04 vlieland kernel[0]: ++EMUUSBAudioDevice[0xffffff8048806000]::deviceRequest(0xffffff821fd83db0, 0) = 0
Dec 18 19:14:04 vlieland kernel[0]: EMUXUCustomControl::hardwareValueChanged value 0
Dec 18 19:14:04 vlieland kernel[0]: EMUXUCustomControl::hardwareValueChanged result 0
Dec 18 19:14:04 vlieland kernel[0]: DigitalIO Sync Lock
Dec 18 19:14:04 vlieland kernel[0]: EMUUSBAudioDevice::deviceRequest result=0
Dec 18 19:14:04 vlieland kernel[0]: ++EMUUSBAudioDevice[0xffffff8048806000]::deviceRequest(0xffffff821fd83db0, 0) = 0
Dec 18 19:14:04 vlieland kernel[0]: EMUXUCustomControl::hardwareValueChanged value 1
Dec 18 19:14:04 vlieland kernel[0]: EMUXUCustomControl::hardwareValueChanged result 0
Dec 18 19:14:04 vlieland kernel[0]: -EMUUSBAudioDevice[0xffffff8048806000]::QueryXU
Dec 18 19:14:07 vlieland kernel[0]: +EMUUSBAudioDevice::hardwareVolumeChangedHandler
Dec 18 19:14:07 vlieland kernel[0]: +EMUUSBAudioDevice::hardwareMuteChangedHandler
Dec 18 19:14:07 vlieland kernel[0]: EMUUSBAudioDevice::setFeatureUnitSetting sending device request 1
Dec 18 19:14:07 vlieland kernel[0]: USBF: 37.912 AppleUSBXHCI[0xffffff81c1cf3000]::GenerateNextPhysicalSegment - Error generating segments, err: e00002e8, numsegments:1
Dec 18 19:14:07 vlieland kernel[0]: USBF: 37.912 AppleXHCIAsyncEndpoint[0xffffff8047f78800]::Schedule - returned 0xe00002e8
Dec 18 19:14:07 vlieland kernel[0]: USBF: 37.912 AppleUSBXHCI[0xffffff81c1cf3000]::GenerateNextPhysicalSegment - Error generating segments, err: e00002e8, numsegments:1
Dec 18 19:14:07 vlieland kernel[0]: USBF: 37.912 AppleXHCIAsyncEndpoint[0xffffff8047f78800]::Schedule - returned 0xe00002e8
Dec 18 19:14:07 vlieland kernel[0]: USBF: 37.912 AppleUSBXHCI[0xffffff81c1cf3000]::GenerateNextPhysicalSegment - Error generating segments, err: e00002e8, numsegments:1
Dec 18 19:14:07 vlieland kernel[0]: USBF: 37.912 AppleXHCIAsyncEndpoint[0xffffff8047f78800]::Schedule - returned 0xe00002e8
The device seems to hang then, and the app (audacity, control panel) with it.
This happens when you start up the app.