From owner-freebsd-current@freebsd.org Tue Oct 8 22:07:04 2019 Return-Path: Delivered-To: freebsd-current@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id CDF8D138DAA for ; Tue, 8 Oct 2019 22:07:04 +0000 (UTC) (envelope-from mmacy@freebsd.org) Received: from mailman.nyi.freebsd.org (mailman.nyi.freebsd.org [IPv6:2610:1c1:1:606c::50:13]) by mx1.freebsd.org (Postfix) with ESMTP id 46nrzr4r4Zz4b8S for ; Tue, 8 Oct 2019 22:07:04 +0000 (UTC) (envelope-from mmacy@freebsd.org) Received: by mailman.nyi.freebsd.org (Postfix) id A43CF138DA9; Tue, 8 Oct 2019 22:07:04 +0000 (UTC) Delivered-To: current@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id A4027138DA8 for ; Tue, 8 Oct 2019 22:07:04 +0000 (UTC) (envelope-from mmacy@freebsd.org) Received: from smtp.freebsd.org (smtp.freebsd.org [IPv6:2610:1c1:1:606c::24b:4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "smtp.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 46nrzr3mtWz4b8Q; Tue, 8 Oct 2019 22:07:04 +0000 (UTC) (envelope-from mmacy@freebsd.org) Received: from mail-lj1-f172.google.com (mail-lj1-f172.google.com [209.85.208.172]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) (Authenticated sender: mmacy) by smtp.freebsd.org (Postfix) with ESMTPSA id 24F63DB09; Tue, 8 Oct 2019 22:07:04 +0000 (UTC) (envelope-from mmacy@freebsd.org) Received: by mail-lj1-f172.google.com with SMTP id 7so386449ljw.7; Tue, 08 Oct 2019 15:07:04 -0700 (PDT) X-Gm-Message-State: APjAAAVXmU3KaulAtQ8Uu2KtKfn04WmyHcscLX2slUssdU4zj0mTCK5N Z4QheUL5dTaxKYEDhCm96keWrd9pACnJaV72FGc= X-Google-Smtp-Source: APXvYqxYsDME/OdacjivR/I6VoRAAXCDVmpQ/zWRmaaWdoToqu4PMWibxmh2FLni1nZmzN3dbWqaJkPO1xygIn7AS9w= X-Received: by 2002:a2e:8694:: with SMTP id l20mr264336lji.64.1570572422777; Tue, 08 Oct 2019 15:07:02 -0700 (PDT) MIME-Version: 1.0 References: <20191008121519.GS1263@albert.catwhisker.org> <3303a5cb-a32b-a7bc-e812-138719bf20cd@freebsd.org> In-Reply-To: <3303a5cb-a32b-a7bc-e812-138719bf20cd@freebsd.org> From: Matthew Macy Date: Tue, 8 Oct 2019 15:06:45 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: panic: Assertion in_epoch(net_epoch_preempt) failed at ... src/sys/net/if.c:3694 To: Julian Elischer Cc: Walter Parker , current@freebsd.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 08 Oct 2019 22:07:04 -0000 On Tue, Oct 8, 2019 at 15:01 Julian Elischer 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=E2=80=99s what one would assume given that the thread started with a p= anic in said system. Epoch is built on concurrency kit=E2=80=99s EBR implementation= . Hence the link I shared. > > > https://www.freebsd.org/cgi/man.cgi?query=3Depoch&apropos=3D0&sektion=3D9= &manpath=3DFreeBSD+13-current&arch=3Ddefault&format=3Dhtml > > > > > > > > Walter > > > > On Tue, Oct 8, 2019 at 2:37 PM Julian Elischer > > 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 > > _______________________________________________ > > freebsd-current@freebsd.org > > mailing list > > https://lists.freebsd.org/mailman/listinfo/freebsd-current > > To unsubscribe, send any mail to > > "freebsd-current-unsubscribe@freebsd.org > > " > > > > > > > > -- > > The greatest dangers to liberty lurk in insidious encroachment by > > men of zeal, well-meaning but without understanding. -- Justice > > Louis D. Brandeis > > > _______________________________________________ > freebsd-current@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org= " >