Date: Mon, 30 May 2005 12:05:59 +0200 From: Marc Olzheim <marcolz@stack.nl> To: Robert Watson <rwatson@FreeBSD.org> Cc: Marc Olzheim <marcolz@stack.nl>, freebsd-stable@freebsd.org, bug-followup@FreeBSD.org Subject: Re: kern/78824: race condition close()ing and read()ing the same socketpair on SMP. Message-ID: <20050530100559.GA52267@stack.nl> In-Reply-To: <20050527145757.GD94234@stack.nl> References: <20050503150014.GG17096@stack.nl> <20050510131005.GA4083@stack.nl> <20050527124531.U727@fledge.watson.org> <20050527134441.GA94234@stack.nl> <20050527145757.GD94234@stack.nl>
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On Fri, May 27, 2005 at 04:57:57PM +0200, Marc Olzheim wrote: > > Could you try the attached patch and see if it helps matters? This is > > a slight shot in the dark but closes at least two races in the > > transition of socket state with respect to socket buffer state. > > Yes! This fixes it, on the tag=RELENG_5 date=2005.03.03.00.00.00 kernel. > > I'll try and see if it works on a recent RELENG_5 kernel as well, later. On today's RELENG_5 it works ok too, as far as I can check. :-) Marc
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