On Fri, 2012-11-30 at 09:59 +0100, David Henningsson wrote: > Hi, > > I'm researching a bug where some set of USB speakers stopped working, > probably in 2.x. The peculiar thing about this sound card is that seems > to only work at a sample rate of 46875 Hz. > > So in 2.x, the probe fails with > "E: [pulseaudio] alsa-sink.c: Failed to find any supported sample > rates.", whereas in an earlier version, it would just happily work at > 46875 Hz instead, as I understand it. > > So my first question is; why do we check all these rates, when we end up > just alternating between default-sample-rate (44100 Hz) and > alternate-sample-rate (48000 Hz) anyway? I don't have an answer for that. > And second, can we try not to fail if we can't find any supported sample > rates, so we can fix this regression? I don't see any fundamental reason why we couldn't support any crazy sample rate. > For reference, this is the bug (with pulse verbose logs in it): > > https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1074783 A related bug: https://bugs.freedesktop.org/show_bug.cgi?id=48109 -- Tanu
