Date: Fri, 16 Sep 2011 00:41:23 +0700 From: Eugene Grosbein <egrosbein@rdtc.ru> To: John Baldwin <jhb@freebsd.org> Cc: stable@freebsd.org, yongari@freebsd.org Subject: Re: busdma MFC broke ipfw fwd for RELENG_6 Message-ID: <4E7238C3.1060008@rdtc.ru> In-Reply-To: <201109151314.50549.jhb@freebsd.org> References: <4E722B70.9010201@rdtc.ru> <201109151314.50549.jhb@freebsd.org>
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16.09.2011 00:14, John Baldwin пишет: > On Thursday, September 15, 2011 12:44:32 pm Eugene Grosbein wrote: >> Hi! >> >> I understand that it is "a bit" late for RELENG_6 reports as 6.4-RELEASE was out in 2008 >> but the breakage had happened due to MFC so it's possible same problem exists in newer branches. >> >> Long story short: I've updated my old 6.4-STABLE system for recent zoneinfo updates >> and found the update broke 'ipfw fwd' feature: forwarded packets get corrupted, >> routed packets go just fine. >> >> The commit in question has been performed in 2010/08/06: >> http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/i386/i386/Attic/busdma_machdep.c.diff?r1=1.74.2.6;r2=1.74.2.7 >> >> I've rolled it back using recent RELENG_6 sources and packet corruption have disappeared. > > It may be a bug in the rl(4) driver? Perhaps this is a candidate to try? > > http://svnweb.freebsd.org/base?view=revision&revision=184240 > My system is i386 with 512MB RAM only and outgoing packets go through re(4), not rl(4). Nevertheless, I've just applied revision 184240 to RELENG_6 manualy (it did not apply cleanly) and reapplied MFC. The problem has returned. Eugene Grosbein
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