Date: Tue, 13 Jul 2004 15:42:09 -0400 (EDT) From: Robert Watson <rwatson@FreeBSD.org> To: Daniel Lang <dl@leo.org> Cc: current@FreeBSD.org Subject: Re: panic: m_copym, length > size of mbuf chain Message-ID: <Pine.NEB.3.96L.1040713154136.88111H-100000@fledge.watson.org> In-Reply-To: <20040711100553.GA64553@atrbg11.informatik.tu-muenchen.de>
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On Sun, 11 Jul 2004, Daniel Lang wrote: > referring to your first answer, the 'len' parameter in the tcp_output.c > frame is 1460, offset is 737. The sum is obviously greater than 975, the > value of so->so_snd.sb_cc. > > So the suggested assertion from Robert would have been triggered. I > consider now adding the SOCKBUF_DEBUG value. However, with SACK > disabled, the machine is still up and running now. Is it possible to get the box running with SACK again for debugging purposes? Resolving this issue would be a very good thing. Thanks! Robert N M Watson FreeBSD Core Team, TrustedBSD Projects robert@fledge.watson.org Principal Research Scientist, McAfee Research
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