Date: Tue, 01 Dec 2009 14:19:23 -0800 From: Maxim Sobolev <sobomax@FreeBSD.org> To: Tom Judge <tom@tomjudge.com> Cc: Stanislav Sedov <stas@FreeBSD.org>, svn-src-stable@FreeBSD.org, svn-src-all@FreeBSD.org, src-committers@FreeBSD.org, svn-src-stable-7@FreeBSD.org Subject: Re: svn: stable/7/sys: conf dev/bce Message-ID: <4B15966B.9080102@FreeBSD.org> In-Reply-To: <4B1516E5.9030508@tomjudge.com> 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> <4B1516E5.9030508@tomjudge.com>
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Tom Judge wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > 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. > > When you see this lock up do you also see denied requests for mbufs? > > All the times I have seen the issue, the system was denying mbuf requests. Not sure about that, since we only have had network connection to that box, no console. However, I think that the problem with the other network subsystems that we see at the same time suggests that it might be an issue with the mbufs indeed. -Maxim
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