From owner-freebsd-stable@freebsd.org Tue Dec 8 15:50:03 2020 Return-Path: Delivered-To: freebsd-stable@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 B4B184A3FBC for ; Tue, 8 Dec 2020 15:50:03 +0000 (UTC) (envelope-from kp@FreeBSD.org) Received: from smtp.freebsd.org (smtp.freebsd.org [96.47.72.83]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 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 4Cr4Pl3M2Xz4WTg; Tue, 8 Dec 2020 15:50:03 +0000 (UTC) (envelope-from kp@FreeBSD.org) Received: from venus.codepro.be (venus.codepro.be [5.9.86.228]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mx1.codepro.be", Issuer "Let's Encrypt Authority X3" (verified OK)) (Authenticated sender: kp) by smtp.freebsd.org (Postfix) with ESMTPSA id 4B2A720A49; Tue, 8 Dec 2020 15:50:03 +0000 (UTC) (envelope-from kp@FreeBSD.org) Received: by venus.codepro.be (Postfix, authenticated sender kp) id EC4804C7BB; Tue, 8 Dec 2020 16:50:01 +0100 (CET) From: "Kristof Provost" To: Peter Cc: freebsd-stable@freebsd.org Subject: Re: Panic: 12.2 fails to use VIMAGE jails Date: Tue, 08 Dec 2020 16:50:00 +0100 X-Mailer: MailMate (1.13.2r5673) Message-ID: In-Reply-To: <20201207233449.GA11025@gate.oper.dinoex.org> References: <20201207125451.GA11406@gate.oper.dinoex.org> <39DBEA53-960F-4D70-86D7-847E6DFA437D@FreeBSD.org> <20201207233449.GA11025@gate.oper.dinoex.org> MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: quoted-printable X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 08 Dec 2020 15:50:03 -0000 On 8 Dec 2020, at 0:34, Peter wrote: > Hi Kristof, > it's great to read You! > > On Mon, Dec 07, 2020 at 09:11:32PM +0100, Kristof Provost wrote: > > ! That smells a lot like the epair/vnet issues in bugs 238870, 234985, = > 244703, > ! 250870. > > epair? No. It is purely Netgrh here. > Yeah, the bug is not exclusive to epair but that=E2=80=99s where it=E2=80= =99s most = easily seen. > ! I pushed a fix for that in CURRENT in r368237. It=E2=80=99s scheduled= to = > go into > ! stable/12 sometime next week, but it=E2=80=99d be good to know that i= t = > fixes your > ! problem too before I merge it. > ! In other words: can you test a recent CURRENT? It=E2=80=99s likely fi= xed = > there, and > ! if it=E2=80=99s not I may be able to fix it quickly. > > > Oh my Gods. No offense meant, but this is not really a good time > for that. This is the most horrible upgrade I experienced in 25 years > FreeBSD (and it was prepared, 12.2 did run fine on the other machine). > > I have issue with mem config > https://forums.freebsd.org/threads/fun-with-upgrading-sysctl-unknown-oi= d-vm-pageout_wakeup_thresh.77955/ > I have issue with damaged filesystem, for no apparent reason > https://forums.freebsd.org/threads/no-longer-fun-with-upgrading-file-of= fline.77959/ > > Then I have this issue here which is now gladly workarounded > https://forums.freebsd.org/threads/panic-12-2-does-not-work-with-jails.= 77962/post-486365 > > and when I then dare to have a look at my applications, they look like > sheer horror, segfaults all over, and I don't even know where to begin > with these. > > > Other option: can you make this fix so that I can patch it into 12.2 > source and just redeploy? > Try = http://people.freebsd.org/~kp/0001-if-Fix-panic-when-destroying-vnet-and-= epair-simultan.patch That=E2=80=99s currently running the regression tests that used to provok= e the = panic nearly instantly, and no panics so far. Best regards. Kristof