Date: Tue, 06 Jun 2006 13:06:17 -0400 From: David Samms <dsamms@nw-ds.com> To: korio@korio.org Cc: freebsd-stable@freebsd.org Subject: Re: FTP - Large file transfers (6.1) Message-ID: <1149613577.42420.5.camel@freeBSD.internal> In-Reply-To: <60226.84.21.222.6.1149599875.squirrel@webmail.korio.org> References: <1149594683.16884.9.camel@freeBSD.internal> <60226.84.21.222.6.1149599875.squirrel@webmail.korio.org>
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On Tue, 2006-06-06 at 16:17 +0300, Iassen Anadoliev wrote: > On Tue, June 6, 2006 2:51 pm, David Samms wrote: > > I am having repeated FTP failures while transferring a 4G file across a > > LAN. Swapped out the switch, cables, and NIC's so don't believe hardware > > is involved. Have tried the default FTP server as well as vsftp and > > pure-ftp with the same results. NICs tested are em, sk, and rl. > > > > How to duplicate failure: Take two 6.1 machines with a 100M lan or > > x-talk cable and try to FTP a DVD image. The transfer fails around 90% > > of the time with > > "450 Error during write to data connection" > > > > We have a similar problem when using samba. The failure is not as > > consistent but always occurs under heavy load. Here is the error: > > > > [2006/06/04 22:20:02, 0] lib/util_sock.c:write_data(557) > > write_data: write failure in writing to client 192.168.163.41. Error > > Host is down > > > > It appears, that the network connection on the server is being reset, > > but why? And where or how do I find more information? > > > > > Can you look here: > http://docs.freebsd.org/cgi/getmsg.cgi?fetch=110247+0+archive/2006/freebsd-net/20060205.freebsd-net > The attached patch solved my problem. A temporary workaround was to use > ProFTPD. Thank you for your reply. I patched the two files and rebuild world, the kernel, and pureFTP. I have retested the default FTP and pureFTP with the same failure. Anyone know how I can get more debug info?
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