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So this keeps happening intermittently and with no real pattern. I'm at an absolute loss. Ran a rehearsal today of 1 hour long set, just a simple stereo file. In rehearsal it ran fine, come showtime, it skipped a few times. I'm thinking I might have to get away from DP and find a different solution....

Also getting "Digital Performer: AVF error: Perf capability check failed: 0xe00002be" and "Digital Performer: [13:(varying ip)] CMBufferQueueEnqueue signalled err=12763 (kCMBufferQueueError_EnqueueAfterEndOfData) () at /Library/Caches/com.apple.xbs/Sources/CoreMedia_frameworks/CoreMed...

Thank you so much for the help. One last thing, today there was a glitch where he following turned up in the log. " Windowserver: bug in libdispatch client: dispatch_mig_server_: mach_msg() failed (pic/send) msg too small - 0x0000008 Com.apple.xpc.launchd: (Com.apple.quicklook[449] endpoint has...

mikehalloran wrote:If a Retina MBP, you cannot add RAM, if not, maxing at 16G is a very good idea. If you have a mechanical HD, time to consider an SSD.

Increasing the buffer on playback to 1024 should help. In any case, it's easy to test.

Retina with SSD.

So I noticed that the log showed "syslogd: ASL sender statistics" popped up at the same moment a performance peak occurred." That's it so far. I'm not running any plugins whatsoever. That's a very light load. No way it should be pausing. This is happening within a chunk, right? Not be...

Thanks for such a detailed answer. I'll explore all your suggestions and report back.

Running DP 9 on A 2012 MacBook Pro 8gb ram, OSX Yosemite. Outputting to 828 mkiii via usb. My session is a sequence of chunks, running from 2-9 tracks of 16 bit 44k audio. Internal clocking, 512 buffer. During playback, the audio performance meter runs really low, but at random points will spike onc...