<!DOCTYPE html><html><head><title></title><style type="text/css"> p.MsoNormal,p.MsoNoSpacing{margin:0}</style></head><body><div>Sorry for the double-post, but it sounds like the most stable firmware version folks found for the ultralite in that thread was a beta version: MOTU AVB 1.3.4+558 which isn't distributed any more on the MOTU site as far as I can tell...<br></div><div><br></div><div>On Fri, Mar 6, 2020, at 11:27 PM, Erik Schoster wrote:<br></div><blockquote type="cite" id="qt"><div>There was a very useful looking thread about this around March 30th of 2019 on this mailing list which I've kept bookmarked -- one reference in there is this thread on the linux musicians forum: <a href="https://linuxmusicians.com/viewtopic.php?f=6&t=18046">https://linuxmusicians.com/viewtopic.php?f=6&t=18046</a><br></div><div><br></div><div>Somewhere in there I think I remember someone finding a version of the MOTU firmware that they found to work reliably with linux, I haven't dug it up yet but maybe I will this weekend -- would be nice to reclaim this device!<br></div><div><br></div><div>I was surprised after a couple years of basically no issues with it then transferring it to be used on a mac in a shared environment for a while (where the firmware was upgraded continuously) to find when I reclaimed it that it no longer worked under linux... I have the clock sync issue that sounds like a bitcrushed LFO going from a clean sounding signal and then sputtering out into silence and back again over the course of a minute or two...<br></div><div><br></div><div>All to say I'm hopeful that rolling the firmware back is all that's needed but maybe someone with more recent direct experience can chime in!<br></div></blockquote><div><br></div></body></html>