Date: Wed, 21 Jul 2004 03:54:34 -0700 From: "Darren Pilgrim" <dmp@bitfreak.org> To: "'Robert Watson'" <rwatson@freebsd.org> Cc: freebsd-current@freebsd.org Subject: RE: fetch hangs, part 2 Message-ID: <000001c46f11$1f53a880$132a15ac@spud> In-Reply-To: <Pine.NEB.3.96L.1040720191736.9228F-100000@fledge.watson.org>
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> From: Robert Watson [mailto:rwatson@freebsd.org] > > > On Tue, 20 Jul 2004, Darren Pilgrim wrote: > > > I've been having the same (or a similar problem). Fetching the distfile > > for a port will hang. I poked some more at this and found that all the > > sites fetch is hanging on successfully negotiate the TCP connection then > > go dead without closing the connection. My workaround has been to edit > > the Makefile and remove the offending site from MASTER_SITES or manually > > fetch from ftp.freebsd.org. > > Could you try disabling TCP SACK Set net.inet.tcp.delayed_ack=0? > and see if things "get better"? It's one > of the things that has changed in the TCP code recently. This could well > be a user space fetch issue, but it would be worth trying it to see, if > only to rule it out. It didn't change. The connections still hung.help
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