On Tue, 2014-04-29 at 15:22 +0200, David Henningsson wrote: > +void pa_pstream_set_srchannel(pa_pstream *p, pa_srchannel *sr) { > + pa_assert(p); > + pa_assert(PA_REFCNT_VALUE(p) > 0); > + > + if (sr == p->sr) > + return; > + > + /* Make sure we flush the queue, so we don't write half a package on one channel and half on the other */ > + while (!p->dead && (do_write(p) > 0 || p->write.current)) { > + pa_log_debug("Flushing commands before %s srchannel...", sr ? "setting up" : "tearing down"); > + } Is your intention to write all pending packets or just the current packet? The log message implies the former, but the logic implies the latter. What if the write buffer is full? As far as I can see, this will then busy-loop, and if the other end doesn't read, this will busy-loop forever. -- Tanu