I’m also having a terrible time with significant drop-outs with my MR816. I upgraded to the latest 1.7.4 OSX driver (running on OSX 10.8.3) and it’s just awful. This is running on a Mac Pro (6-core 3.33Ghz) with the built-in Firewire port (800 → 400 cable).
The previous driver (forget the exact version - but the one just before this new one) wasn’t anywhere near as bad. I normally keep historical driver versions on my computer, but for some reason I haven’t got the previous version for my MR816.
I’ve emailed support - but they haven’t responded. It’s clear this driver is a heap of junk. The OSX console logs a bunch of errors when the drop-outs occur - I can’t get the driver to re-reset / re-align once drop-outs occur without rebooting. Not impressed at all (and at Steinberg’s lack of response to the support case). Does anyone know where I can get a copy of the previous 64-bit OSX driver?
03/05/2013 11:51:23.000 kernel[0]: IOAudioStream[0xffffff80204e3400]::clipIfNecessary() - Error: attempting to clip to a position more than one buffer ahead of last clip position (1f3,1468)->(1fb,e0).
03/05/2013 11:51:23.000 kernel[0]: IOAudioStream[0xffffff80204e3400]::clipIfNecessary() - adjusting clipped position to (1fa,1468)
03/05/2013 11:51:23.000 kernel[0]: IOAudioStream[0xffffff8025364e00]::clipIfNecessary() - Error: attempting to clip to a position more than one buffer ahead of last clip position (1f3,1468)->(1fb,e0).
03/05/2013 11:51:23.000 kernel[0]: IOAudioStream[0xffffff8025364e00]::clipIfNecessary() - adjusting clipped position to (1fa,1468)
03/05/2013 11:51:23.000 kernel[0]: IOAudioStream[0xffffff80202d2a00]::clipIfNecessary() - Error: attempting to clip to a position more than one buffer ahead of last clip position (1f3,1468)->(1fb,e0).