Date: Thu, 26 Mar 2015 21:55:08 +0300 From: "Andrey V. Elsukov" <ae@FreeBSD.org> To: hiren panchasara <hiren@strugglingcoder.info>, freebsd-net@freebsd.org Cc: hrs@freebsd.org, nitroboost@gmail.com Subject: Re: pagefault in IPv6 codepath in defrouter_select() Message-ID: <5514560C.5070406@FreeBSD.org> In-Reply-To: <20150325214832.GI53237@strugglingcoder.info> References: <20150325214832.GI53237@strugglingcoder.info>
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[-- Attachment #1 --] On 26.03.2015 00:48, hiren panchasara wrote: > This is 3rd occurence of this panic. What could be the cause? > I have vmcore and can provide more info if needed. Hi, the problem is that ND6 code maintains at least two lists of prefixes without any locking: V_nd_defrouter and V_nd_prefix. -- WBR, Andrey V. Elsukov [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQEcBAEBCAAGBQJVFFYNAAoJEAHF6gQQyKF6BO0IALUTi9gC9oHUwKFUvPq9EQqV tN22BhLVMf733wihsmcjmA2OdRBkaOdXNP3xnJtymUfjOiqlgVn0MFItsWcowFIQ oecK1axsmFrWq1niN7P2Xc2AyigyFC5fUZS0+Dy05oXI14D+Mtp+p8Nis2U25pCQ wOwo4zWvZEE9rWHZVY77LdQ7N4Zh1PMY0BpwP4WYZHPV9SKhdX433Whwoj7+xcMH fbA2WMW4a6FuB9Z7kJwfJ6YLh7HDG0w0T0tAQjSC4/06DPnn1WbEypwKBBEwBRk0 XnZImYHETtK7u0MtVpweBYBQmrnwWfyOof5IQg2VNEqIT0P4ZFl71Nk4cdx/fjU= =aXGu -----END PGP SIGNATURE-----
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