Date: Thu, 6 Oct 2016 14:10:43 +0300 From: Slawa Olhovchenkov <slw@zxy.spb.ru> To: Julien Charbon <jch@freebsd.org> Cc: Julien Charbon <julien.charbon@gmail.com>, Konstantin Belousov <kostikbel@gmail.com>, freebsd-stable@FreeBSD.org, hiren panchasara <hiren@strugglingcoder.info> Subject: Re: 11.0 stuck on high network load Message-ID: <20161006111043.GH54003@zxy.spb.ru> In-Reply-To: <a0425aad-a421-05bc-c1a8-c6fe06b83833@freebsd.org> References: <f644cd52-4377-aa90-123a-3a2887972bbc@freebsd.org> <20160921195155.GW2840@zxy.spb.ru> <e4e0188c-b22b-29af-ed15-b650c3ec4553@gmail.com> <20160923200143.GG2840@zxy.spb.ru> <20160925124626.GI2840@zxy.spb.ru> <dc2798ff-2ace-81f7-a563-18ffa1ace990@gmail.com> <20160926172159.GA54003@zxy.spb.ru> <62453d9c-b1e4-1129-70ff-654dacea37f9@gmail.com> <20160928115909.GC54003@zxy.spb.ru> <a0425aad-a421-05bc-c1a8-c6fe06b83833@freebsd.org>
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On Thu, Oct 06, 2016 at 09:28:06AM +0200, Julien Charbon wrote: > 2. thread1: In tcp_close() the inp is marked with INP_DROPPED flag, the > process continues and calls INP_WUNLOCK() here: > > https://github.com/freebsd/freebsd/blob/releng/11.0/sys/netinet/tcp_subr.c#L1568 Look also to sys/netinet/tcp_timewait.c:488 And check other locks from r160549
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