On 21/11/2015 23:18, TJ Campie wrote:
Yes, That appears to be what you’re looking for.
Are you using a USB hub?

73
Bill
G4WJS.

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On Sat, Nov 21, 2015 at 5:15 PM, Bill Somerville <g4...@classdesign.com <mailto:g4...@classdesign.com>> wrote:

    On 21/11/2015 22:59, TJ Campie wrote:

    Hi TJ,
    I turned off bluetooth and quit all other running apps and still
    have the same problem.  Here’s a different pastebin:
    http://pastebin.com/h3qLZ0Nr
    OK so the Bluetooth message timing was just a coincidence.

    That message is just a warning and should not cause a failure, the
    Qt developers have it in hand:

    https://bugreports.qt.io/browse/QTBUG-48828

    seems that Apple have unified the OS X and IOS audio facilities
    and the current OS X CoreAudio interface will be deprecated in the
    future.

    I think the failure you are seeing is unrelated.

    I think the real error is this:

    11/21/15 4:58:10.000 PM kernel[0]: 001320.566637
    IOUSBHostHIDDevice@1a121000,3: IOUSBHostHIDDevice::interruptRetry:
    resetting device due to IO failures
    11/21/15 4:58:10.000 PM kernel[0]: USB Sound assertion in
    
/BuildRoot/Library/Caches/com.apple.xbs/Sources/AppleUSBAudio/AppleUSBAudio-302.15/AppleUSBAudioIsocPipe.cpp
    at line 127

    can you confirm that this error is happening when the audio goes
    wrong?

    73
    Bill
    G4WJS.
    On Nov 21, 2015, at 4:53 PM, Bill Somerville
    <g4...@classdesign.com <mailto:g4...@classdesign.com>> wrote:

    On 21/11/2015 22:43, TJ Campie wrote:
    Here’s what I get in console from when I launch the app to when
    the
    failure exhibits.  I hit TUNE a few times then get this and the
    audio
    switches over: http://pastebin.com/7BhuLzPW
    Hi TJ,

    this looks suspicious:

    11/21/15 4:42:13.000 PM kernel[0]: 000363.486616
    IOUSBHostHIDDevice@1a121000,3: IOUSBHostHIDDevice::interruptRetry:
    resetting device due to IO failures
    11/21/15 4:42:13.000 PM kernel[0]: USB Sound assertion in
    
/BuildRoot/Library/Caches/com.apple.xbs/Sources/AppleUSBAudio/AppleUSBAudio-302.15/AppleUSBAudioIsocPipe.cpp

    at line 127
    11/21/15 4:42:13.000 PM kernel[0]: ****
    [IOBluetoothHostControllerUSBTransport][InterruptReadHandler] --
    Received kIOReturnNotResponding error - retrying: 1
    11/21/15 4:42:14.000 PM kernel[0]: ****
    [IOBluetoothHostControllerUSBTransport][ClearFeatureInterruptEndpointHalt]

    -- successfully posting another read for the mInt0InterruptPipe --
    mInterruptPipeInOutstandingIOCount = 1 -- this = 0x2800

    I wonder if there is some connection with the Bluetooth USB driver
    seeing an error at exactly the same time. Do you have any USB
    Bluetooth
    devices that might be passing an audio stream?

    73
    Bill
    G$WJS.


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