> > Re debugging I was just thinking about putting in some calls to > > "pa_log_debug()" at various points between the module loading and the > > printing of the "found 0 cards" line. > > > > I've not looked at the code recently, so I cannot comment more than > > that just now. > > > > I'll be kinda busy for the next little while so can't really help at > > the moment, but if I get the chance I'll try and cook up a debugging patch > you can apply. > > But feel free to have a go yourself :) > > > Given I know udevadm can see my sound card, it is possible for debugging > purpose to modify 78-sound-card.rules to contain just one line that will find > the pci sound card? If so, which one? ..so, even though I compiled pulseaudio-1.0 against udev-151 and there were no error messages, I found udev detection will work if I replace libudev from udev-151 with libudev from udev-173 Any reason as to why this would be?