On Wed, 10 Nov 2021 19:53:53 +0100, Scott Branden wrote: > > Hi Takashi, > > On 2021-11-10 6:33 a.m., Takashi Iwai wrote: > > On Tue, 09 Nov 2021 22:12:30 +0100, > > Scott Branden wrote: > >> > >> I'm reporting a new WARN_ON in sound/hda/hdac_bus.c that was not > >> present in 5.15. Sorry, I don't have time to bisect this right now > >> but report is below. > >> > >> dmesg in 5.14 kernel was: > >> snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops 0xffffffffaa2ac520) > >> GACT probability on > >> Mirror/redirect action on > >> Simple TC action Loaded > >> u32 classifier > >> Performance counters on > >> input device check on > >> Actions configured > >> hdaudio hdaudioC0D0: Unable to bind the codec > >> hdaudio hdaudioC0D2: Unable to bind the codec > >> > >> dmesg in 5.15 kernel produces WARN_ON in sound/hda/hdac_bus.c > >> snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops 0xffffffffad8b02a0) > >> GACT probability on > >> Mirror/redirect action on > >> Simple TC action Loaded > >> u32 classifier > >> Performance counters on > >> input device check on > >> Actions configured > >> snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up > >> Initializing XFRM netlink socket > >> ------------[ cut here ]------------ > >> NET: Registered PF_INET6 protocol family > >> WARNING: CPU: 14 PID: 186 at sound/hda/hdac_bus.c:73 > > > > This indicates the leftover codecs on the bus, and it's likely > > triggered by the recent change to allow retrying the codec probes. > > > > Did this HD-audio stuff work at all before 5.15? The codec bind error > > itself shouldn't be brought by that change. > I don't know if HD-audio works at all on this system - we don't test > HD-audio but parse the dmesg for issues so detected this new one. OK. > > The warning itself can be solved by the patch below, I suppose > > (note: totally untested!) > > I tested your patch below and can confirm the WARN_ON is not produced > on boot. Good, then I'll submit and merge the proper patch. Thanks! Takashi
