Date: Fri, 11 Dec 2015 12:00:57 +0300 From: "Andrey V. Elsukov" <ae@FreeBSD.org> To: Mark Johnston <markj@freebsd.org> Cc: freebsd-net@freebsd.org, Jason <j@scre.ws>, kevin.bowling@kev009.com, hiren@strugglingcoder.info, Eugene Grosbein <eugen@grosbein.net> Subject: Re: Multiple cores/race conditions in IPv6 RA Message-ID: <566A90C9.8070301@FreeBSD.org> In-Reply-To: <20151210200215.GB34692@wkstn-mjohnston.west.isilon.com> References: <50cff74ea38f155ae616cf49f5ffb5ae@m.nitrology.com> <5667EA3A.8050200@FreeBSD.org> <20151210200215.GB34692@wkstn-mjohnston.west.isilon.com>
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[-- Attachment #1 --] On 10.12.15 23:02, Mark Johnston wrote: >> some time ago Mark Johnston has published there the patch related to >> this problem: >> https://lists.freebsd.org/pipermail/freebsd-net/2013-February/034682.html >> >> Maybe Mark has something to say about it. > > I started trying to push this work in with D2254, which fixes some of > the global IPv6 addr list locking. It turns out to be pretty tricky > to lock both NDP and the global address list properly; the patch in my > public directory fixes only some of the issues with NDP and is thus > incomplete, which is why I'd been reluctant to push it in. > > I'll return to D2254 and try and make some further progress on this. There was one report about panic, I think it is related to this problem too: http://www.grosbein.net/img/v6crash.png -- WBR, Andrey V. Elsukov [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQEcBAEBCAAGBQJWapDJAAoJEAHF6gQQyKF67bIIALYFvXJMZLjP0L3PSxL7o2bM quiD/V+2ldgxMwIQFkGB25ab088wxjTHF9bwZzN5OX0DVfD0/hHvXkCe+DZ5VYI+ UCr94rDJvEo+AqXYxiqww1/uyzSiT3fUQPA28muRkcU6wMaRg8PW0hCuM551VXCy QD1F73VzjYivd5OsAZPBc40h1/KxT8GQ174LOowfQqUBzwrCaDKyerDo6+QqtaLb 7tlfXnv1zg5TpL+pb305smjXmC1Y2DGVeUTRKUJVVEDQ4FJQ83Qk8VLp+HQDImOr Cz6iVSdHWSeUBSSiMhOHJIXMJuWKRVGRMov5oa0vUGSHDOKl5kaBJwBnMMeoTKU= =7YmX -----END PGP SIGNATURE-----
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