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From:
Caspar Schutijser <caspar@schutijser.com>
Subject:
Re: Make ucc(4) pass audio cookie to wskbd(4)
To:
Mark Hesselink <mhesseli@alumni.caltech.edu>
Cc:
Alexandre Ratchov <alex@caoua.org>, tech@openbsd.org
Date:
Wed, 4 Sep 2024 21:24:41 +0200

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On Sun, Sep 01, 2024 at 04:47:56PM -0600, Mark Hesselink wrote:
> Hi,
> 
> Can I please ask whether this issue is still on your radar? I am secretly
> hoping the interrupt storm can be root caused before the OpenBSD 7.6
> release.

I still have to record that PCAP and share it. I didn't get to it yet
but I hope I can do that soon.

Caspar

> 
> Thanks in advance,
> 
> Mark
> 
> On 7/24/2024 1:27 PM, Alexandre Ratchov wrote:
> > On Wed, Jul 24, 2024 at 08:01:26PM +0200, Caspar Schutijser wrote:
> > > > 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?
> > > 
> > yes, I'd like to understand how this creates a loop. Thanks