From owner-freebsd-current@freebsd.org Mon Jul 27 14:05:06 2020 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 29033363703; Mon, 27 Jul 2020 14:05:06 +0000 (UTC) (envelope-from hps@selasky.org) Received: from mail.turbocat.net (turbocat.net [IPv6:2a01:4f8:c17:6c4b::2]) (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 did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4BFhQS6vLcz3WTP; Mon, 27 Jul 2020 14:05:04 +0000 (UTC) (envelope-from hps@selasky.org) Received: from hps2020.home.selasky.org (unknown [178.17.145.105]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mail.turbocat.net (Postfix) with ESMTPSA id 6A6A5260378; Mon, 27 Jul 2020 16:04:57 +0200 (CEST) Subject: Re: somewhat reproducable vimage panic To: Kristof Provost , "Bjoern A. Zeeb" , freebsd-net@freebsd.org, freebsd-current@freebsd.org References: <38F5A3A6-B578-4BA4-8F69-C248163CB6E0@libassi.se> <20200722060514.GF4213@funkthat.com> <20200722193443.GG4213@funkthat.com> <6C149617-55BB-4A87-B993-195E5E133790@lists.zabbadoz.net> <20200722221509.GI4213@funkthat.com> <2FFC49F9-83DE-4FA1-A47F-1D8A7AF4B241@FreeBSD.org> <6847FB6B-0B1A-43C7-B567-15BF21AB5D56@FreeBSD.org> <8B72C0B9-9CF0-4557-81D7-77190775805C@lists.zabbadoz.net> <20200723234925.GL4213@funkthat.com> <20200725192129.GN4213@funkthat.com> From: Hans Petter Selasky Message-ID: <2b98da2e-8269-8904-f7ea-1c246ca6f083@selasky.org> Date: Mon, 27 Jul 2020 16:04:36 +0200 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20200725192129.GN4213@funkthat.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 4BFhQS6vLcz3WTP X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of hps@selasky.org designates 2a01:4f8:c17:6c4b::2 as permitted sender) smtp.mailfrom=hps@selasky.org X-Spamd-Result: default: False [-2.18 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; ARC_NA(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[4]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+a:mail.turbocat.net]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[selasky.org]; NEURAL_HAM_LONG(-0.97)[-0.972]; NEURAL_SPAM_SHORT(0.06)[0.060]; TO_MATCH_ENVRCPT_SOME(0.00)[]; NEURAL_HAM_MEDIUM(-0.97)[-0.973]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:24940, ipnet:2a01:4f8::/29, country:DE]; RCVD_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[] X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.33 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: Mon, 27 Jul 2020 14:05:06 -0000 On 2020-07-25 21:21, John-Mark Gurney wrote: >>> Yeah, agreed. I think hselasky has a better fix: >>> https://reviews.freebsd.org/D24914 >>> >>> I just saw his e-mail in a different thread. >> I'm testing out this patch now, and let people know how it goes.. It'll >> be nice to not have to worry about these panics.. > So far so good... I am getting these on occasion: > in6_purgeaddr: err=65, destination address delete failed > > But that's more that the patch prevented a panic. > > The other issue that I'm now seeing is that because we don't forcefully > clear out the multicast task, it can take a good 20+ seconds from the > time a jail is destroyed to the interface appearing again in vnet0. > Pretty sure this is related to the dmesg from above... Hi, D24914 just ensures proper draining. Feel free to accept the patch if you think I should submit it. It fixes some problems seen at work too! --HPS