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Date:      Tue, 8 Oct 2019 14:59:04 -0700
From:      Julian Elischer <julian@freebsd.org>
To:        Matthew Macy <mmacy@freebsd.org>, Walter Parker <walterp@gmail.com>
Cc:        current@freebsd.org
Subject:   Re: panic: Assertion in_epoch(net_epoch_preempt) failed at ... src/sys/net/if.c:3694
Message-ID:  <12951dce-e4f3-9994-37e1-e825ff01a896@freebsd.org>
In-Reply-To: <CAPrugNotZTus2kFLW1_pJfD4saQm0FyGYkAoEW=B64hgtmX5Tg@mail.gmail.com>
References:  <20191008121519.GS1263@albert.catwhisker.org> <c1e4374a-019e-5f5f-a7d0-bea5b18136f5@freebsd.org> <CAMPTd_CpAFOxEZZfQY%2BX_WEdSd5Wd-3sHR8gmbSw-sc0X1WM=g@mail.gmail.com> <CAPrugNotZTus2kFLW1_pJfD4saQm0FyGYkAoEW=B64hgtmX5Tg@mail.gmail.com>

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On 10/8/19 2:45 PM, Matthew Macy wrote:
>
>
> On Tue, Oct 8, 2019 at 14:42 Walter Parker <walterp@gmail.com 
> <mailto:walterp@gmail.com>> wrote:
>
>     See the Wikipedia page at https://en.wikipedia.org/wiki/Unix_time
>
>
>
> Unrelated.
> http://concurrencykit.org/slides.html
>
> And see also Keir Fraser’s thesis where the idea originated.
>
>
>     Walter
>
>     On Tue, Oct 8, 2019 at 2:37 PM Julian Elischer
>     <julian@freebsd.org <mailto:julian@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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thanks for the answers





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