Remi Locherer <remi.locherer <at> relo.ch> writes: > > On Sat, Sep 19, 2015 at 08:31:24PM +0000, Alexey Suslikov wrote: > > Remi Locherer <remi.locherer <at> relo.ch> writes: > > > > > My Dell XPS 13 has a RealTek ALC3263 codec (according to the BIOS). In > > > dmesg only the following shows up: > > > > > > azalia0 at pci0 dev 3 function 0 "Intel Core 5G HD Audio" rev 0x09: msi > > > azalia0: No codecs found > > > > Could you please build a kernel with AUDIO_DEBUG/AZALIA_DEBUG and > > re-post dmesg?
<snip> > azalia0: found a codec at #0 > azalia_init_corb: CORB allocation succeeded. > azalia_init_corb: CORBWP=0; size=256 > azalia_init_rirb: RIRB allocation succeeded. > azalia_init_rirb: RIRBRP=0, size=256 > azalia0: RIRB time out > azalia0: No codecs found So there is a codec but driver failed to attach it due to "RIRB time out". Could you please try to comment out ifdef/endif DIAGNOSTIC (not code inside!) in azalia.c/azalia_get_response to see if RIRB is running? (I'm not subscribed to this list, so please mail me directly).