Knew I was missing something! :D The 2204A. I was able to wait out a crash with the -trace option set, but it took so long to happen that I wound up with a 2GB log file! Not seeing anything major, but here's the last few lines, which may be irrelevant if the app is multithreaded: [0x7f5cdbee87c0: 69...

"Dreaded" because it's almost always HARD to debug an intermittent crash! Here's my observations and specs: I'm running Lubuntu 14.04 64bit (with lots of fluff removed to create a netbootable image, long story) on an AMD E-350 Processor and PicoScope 2.9.2.16 from the repository. Other than occasion...