Date: Mon, 27 Jul 2020 16:04:36 +0200 From: Hans Petter Selasky <hps@selasky.org> To: Kristof Provost <kp@FreeBSD.org>, "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net>, freebsd-net@freebsd.org, freebsd-current@freebsd.org Subject: Re: somewhat reproducable vimage panic Message-ID: <2b98da2e-8269-8904-f7ea-1c246ca6f083@selasky.org> In-Reply-To: <20200725192129.GN4213@funkthat.com> 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> <F1A36FB1-D958-42A8-9F32-838F2D8D805D@FreeBSD.org> <20200723234925.GL4213@funkthat.com> <20200725192129.GN4213@funkthat.com>
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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
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