Date: Wed, 02 Dec 2009 00:59:58 -0800 From: Maxim Sobolev <sobomax@FreeBSD.org> To: Attila Nagy <bra@fsn.hu> Cc: src-committers@FreeBSD.org, svn-src-stable@FreeBSD.org, svn-src-all@FreeBSD.org, Stanislav Sedov <stas@FreeBSD.org>, svn-src-stable-7@FreeBSD.org, Tom Judge <tom@tomjudge.com> Subject: Re: svn: stable/7/sys: conf dev/bce Message-ID: <4B162C8E.3090507@FreeBSD.org> In-Reply-To: <4B159540.9000503@fsn.hu> References: <200911151143.nAFBhTSD036619@svn.freebsd.org> <4B141D2E.1000203@FreeBSD.org> <4B142655.6030703@tomjudge.com> <4B14382F.5080000@FreeBSD.org> <20091130205141.2911011e.stas@FreeBSD.org> <4B14BF23.1030303@FreeBSD.org> <4B159540.9000503@fsn.hu>
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Attila Nagy wrote: > Maxim Sobolev wrote: >> Stanislav Sedov wrote: >>> On Mon, 30 Nov 2009 13:25:03 -0800 >>> Maxim Sobolev <sobomax@FreeBSD.org> mentioned: >>> >>>> Can we change the name then? We've seen the similar issue without >>>> the jumbo frames, which made me wonder. >>> >>> It's strange, because 'normal' frames are less than a page size in >>> length, >>> so the issue I was experiencing should not be reproducable with jumbo >>> frames >>> disabled. Can you describe a bit more what kind of problem you're >>> experiencing? >> >> The traffic through interface abruptly halts randomly when under a >> load, without any signs of a problem. What is interesting is that the >> communication through unix domain sockets appears to be down too, >> since some scripts that connect to database not able to complete as >> well, so whatever this problem is it affect the whole network >> subsystem. We tried to replace hardware and it did not help. Only >> after we replaced bce(4) with IntelPro card (em) the problem has went >> away. > Sorry, I've just noticed this thread and did not read the earlier posts. > I can see similar, although only (at least for now) on version 8 > (running something around RC2), also with bce interfaces and "heavy" -in > terms of pps, this is a DNS server- network load. > > Everything which involves network halts for some minutes, but the > machine is completely usable from the console. top shows some processes > (I don't have an output, but as far as I can remember they were only > that which did network IO) in the "keglim" state. > Then something happens and the machine starts to work again. > > Can this be the same, or is it completely different? It really looks like the same issue. Those boxes are heavy-duty VoIP switches, so that they are handling high PPS as well in our case. -Maxim
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