Date: Fri, 3 Oct 2003 11:45:27 +0400 (MSD) From: Igor Sysoev <is@rambler-co.ru> To: Will Froning <wfroning@pacific.edu> Cc: freebsd-hackers@freebsd.org Subject: Re: 4.6.2-p23 and [tcp bad cksum] Message-ID: <Pine.BSF.4.21.0310031137430.21673-100000@is> In-Reply-To: <20031002140228.679892a6.wfroning@pacific.edu>
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On Thu, 2 Oct 2003, Will Froning wrote: > > Which is which? > > The 2 boxes that didn't work, one had a Fiber EM and the other had a > copper BGE running at 100 full (Dell 1650 and 2550 respectively) > > The 4.9-pre is a Fiber EM (dell 2600). > > > Which one was causing large amount of checksum errors? > > Both of the 4.6.2 boxes. > > > Which one fixed it? etc etc etc etc. > > Upgrading the 4.6.2 boxes to 4.8 fixed the problem allowed the messages > to pass through. Although I didn't record a tcpdump when it started > working, as it scrolled by I noticed a reduction in the number of > errors. I'm not sure but I think you had built your kernels with -O2 and encountered a seldom bug that was fixed in 4.6-STABLE: http://docs.freebsd.org/cgi/getmsg.cgi?fetch=727930+0+/usr/local/www/db/text/2002/cvs-all/20020707.cvs-all Igor Sysoev http://sysoev.ru/en/
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