Date: Sat, 12 Jan 2008 02:10:35 +0100 From: Maxime Henrion <mux@FreeBSD.org> To: Mike Tancsa <mike@sentex.net> Cc: cvs-src@freebsd.org, src-committers@freebsd.org, cvs-all@freebsd.org Subject: Re: cvs commit: src/sys/net route.c route.h Message-ID: <20080112011035.GA5752@elvis.mu.org> In-Reply-To: <200801091554.m09FsnUC049542@lava.sentex.ca> References: <200801091538.m09Fcn0w050430@repoman.freebsd.org> <200801091554.m09FsnUC049542@lava.sentex.ca>
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Mike Tancsa wrote: > At 10:38 AM 1/9/2008, Maxime Henrion wrote: > >mux 2008-01-09 15:38:49 UTC > > > > FreeBSD src repository > > > > Modified files: (Branch: RELENG_6) > > sys/net route.c route.h > > Log: > > MFC route.c@1.125 and route.h@1.68: > > Add a workaround for a deadlock between the rt_setgate() and rt_check() > > functions. It is easily triggered by running routed, and, I expect, by > > running any other daemon that uses routing sockets. > > Hi, > I have a number of boxes running full bgp tables with > Quagga. How does the deadlock manifest itself ? I havent seen the > boxes lockup ? Or does the deadlock create other symptoms ? > > ---Mike > It resulted in a hard lockup for us, but it's possible there are other different outcomes in different scenarios. For details on the specific deadlock I have observed, see thread 'Deadlock in the routing code' on freebsd-net@. Cheers, Maxime
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