Date: Thu, 1 Mar 2007 17:52:33 +0300 From: Gleb Smirnoff <glebius@FreeBSD.org> To: dima <_pppp@mail.ru> Cc: freebsd-net@FreeBSD.org Subject: Re: is CARP still impossible on SMP in 6.2? Message-ID: <20070301145233.GR1621@FreeBSD.org> In-Reply-To: <E1HMQPl-0005hz-00._pppp-mail-ru@f21.mail.ru> References: <20070228122459.GK1621@FreeBSD.org> <E1HMQPl-0005hz-00._pppp-mail-ru@f21.mail.ru>
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On Wed, Feb 28, 2007 at 06:08:21PM +0300, dima wrote: d> > On Wed, Feb 28, 2007 at 02:28:13PM +0300, dima wrote: d> > d> I'm trying to make CARP working on a 2-Xeon hardware. It worked OK on 5.5, but not on 6.2. d> > d> The result of compiling both d> > d> options SMP d> > d> device carp d> > d> into the kernel makes it crash in 'swi1: net' kernel thread on a random (usually first) use of the CARP facility. d> > d> > Can you please provide a backtrace? d> d> It's not that easy. The server becomes extremely unstable under these conditions. d> I tried to build the kernel with '-g' option and included 'dumpdev' in /etc/rc.conf. The server can't even make a memory dump: it either gets one more page fault or just stops responding to anything but Reset key in the beginning of the dump. d> It's strange since it rebooted well while the kernel was built without debugging symbols and a dumpdev. Any ideas how I can make a memory dump? Why do you think the CARP is guilty in this unstableness? Are you triggering MASTER<->BACKUP events and this causes instability? -- Totus tuus, Glebius. GLEBIUS-RIPN GLEB-RIPE
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