Re: fido(4): YubiKey stops responding after the device node is opened and closed a few times

Kirill A. Korinsky <[email protected]> wrote:

> On Thu, 30 Jul 2026 20:03:28 +0200,
> "Theo de Raadt" <[email protected]> wrote:
> > 
> > I have situations where this happens, and other situations where this does not
> > happen.  Multiple machines with their own keys.
> > 
> > I have not figured out if it is the usb layer on the machine, or if the
> > problem follows a specific key when moved to a different machine (which does
> > not have a problem with the key it currently uses).
> > 
> > If we discover the problem follos the usb bus, that would be interesting.
> > 
> > If the problem follows the key, then that is interesting in a different way.
> > 
> 
> Have you tried to detach and attach again the key? I mean physically from
> USB port.

Repeatedly, but of course this should not be neccessary.