Re: panic: Assertion in_epoch(net_epoch_preempt) failed at ... src/sys/net/if.c:3694

From: Matthew Macy <mmacy_at_freebsd.org>
Date: Tue, 8 Oct 2019 15:06:45 -0700
On Tue, Oct 8, 2019 at 15:01 Julian Elischer <julian_at_freebsd.org> wrote:

> On 10/8/19 2:42 PM, Walter Parker wrote:
> > See the Wikipedia page at https://en.wikipedia.org/wiki/Unix_time
>
> but I was refering to the new "epoch" faciity in the kernel..  ( man 9
> epoch  )




That’s what one would assume given that the thread started with a panic in
said system. Epoch is built on concurrency kit’s EBR implementation. Hence
the link I shared.


>
>
> https://www.freebsd.org/cgi/man.cgi?query=epoch&apropos=0&sektion=9&manpath=FreeBSD+13-current&arch=default&format=html
>
>
> >
> >
> > Walter
> >
> > On Tue, Oct 8, 2019 at 2:37 PM Julian Elischer <julian_at_freebsd.org
> > <mailto:julian_at_freebsd.org>> wrote:
> >
> >     Is there a paper or good description of the epoch concept? (more
> >     readable than epoch(9)).
> >     Haven't been to enough BSD confs recently.
> >
> >     julian
> >     _______________________________________________
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> >
> >
> >
> > --
> > The greatest dangers to liberty lurk in insidious encroachment by
> > men of zeal, well-meaning but without understanding.   -- Justice
> > Louis D. Brandeis
>
>
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Received on Tue Oct 08 2019 - 20:07:04 UTC

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