On Mon, Jul 15, 2024 at 11:48:33AM +0200, Alexandre Ratchov wrote:
> On Sun, Jul 14, 2024 at 08:15:52PM +0200, Anton Lindqvist wrote:
> > > > 
> > > > I disabled ucc audio support after caspar@ reported an interrupt storm
> > > > after pressing the volume keys on some headset. I was never able to
> > > > reproduce the problem with my hardware and I don't think caspar@ managed
> > > > to root cause it either.
> > > > 
> > > 
> > > Any reference to the discussion?
> > 
> > https://marc.info/?l=openbsd-bugs&m=164659169400815&w=2
> > 
> 
> Currently, the audio key events are still sent, but they don't
> initiate volume changes?
> 
> Does this mean that caspar@'s device generates keystrokes in response
> to volume changes, which in turn change the volume and so on?

I'm currently traveling. In about 3 weeks, I'll be able to have a
proper look at this and I'll have access to the headset again.

Back then, I recorded USB traffic using tcpdump which shows the
interrupt storm. When I'm back home, I can do that again and share
the PCAP file. Would that be helpful?

Caspar