Re: Kernel panic related to pipe

[Taylor R Campbell <riastradh%NetBSD.org@localhost>]

> Date: Mon, 5 Oct 2026 13:05:48 +0000
> From: Taylor R Campbell <riastradh%NetBSD.org@localhost>
> 
> > Date: Mon, 5 Oct 2026 14:46:45 +0200
> > From: Markus Kilbinger <mk%kilbi.de@localhost>
> > 
> > Seems to stabilize my aarch64 machine, but does not solve the problem
> > pkgsrc/mail/dovecot2 has:
> > 
> > maillog excerpt:
> >   ... dovecot: master: Error: service(config): command startup failed,
> > throttling for 60.000 secs
> >   ... dovecot: master: Error: service(stats): command startup failed,
> > throttling for 60.000 secs
> >   ... dovecot: master: Error: service(imap-login): command startup
> > failed, throttling for 60.000 secs
> >   ... dovecot: master: Error: service(config): command startup failed,
> > throttling for 60.000 secs
> 
> Can you get ktrace output from that and share it with me?

I should clarify: `ktrace -di -t -i' output, tracing children but
without recording any I/O, so it doesn't inadvertently record secrets
like TLS private keys; the _content_ of the I/O isn't important for
this purpose, only the sequence of syscalls and returns and signals
and whatnot.