Date: Mon, 24 Mar 2003 20:39:35 +0100 From: Christian Brueffer <chris@unixpages.org> To: Robert Watson <rwatson@FreeBSD.ORG> Cc: "Daniel C. Sobral" <dcs@tcoip.com.br>, CURRENT <freebsd-current@FreeBSD.ORG> Subject: Re: IP stack problem -- possibly mac-related Message-ID: <20030324193935.GY36490@unixpages.org> In-Reply-To: <20030324192838.GX36490@unixpages.org> References: <3E7F3F3F.8090902@tcoip.com.br> <Pine.NEB.3.96L.1030324130519.31378I-100000@fledge.watson.org> <20030324192838.GX36490@unixpages.org>
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--tuYRN1zEaS85jg/Y Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Mar 24, 2003 at 08:28:38PM +0100, Christian Brueffer wrote: > On Mon, Mar 24, 2003 at 01:08:37PM -0500, Robert Watson wrote: > >=20 > > On Mon, 24 Mar 2003, Daniel C. Sobral wrote: > >=20 > > > The messages below are from today's kernel + mac_mls and mac_biba > > > kld-loaded from loader(8). None of the warning appear if these modules > > > are not loaded (I haven't tried not loading one and then the other, b= ut > > > I can do it on request)=20 > > ... > > > malloc() of "128" with the following non-sleepablelocks held: > > > exclusive sleep mutex inp r =3D 0 (0xc280a6ec) locked @=20 > > > /usr/src/sys/netinet/udp_usrreq.c:1034 > > > exclusive sleep mutex udp r =3D 0 (0xc035eeec) locked @=20 > > > /usr/src/sys/netinet/udp_usrreq.c:1027 > >=20 > > Hmm. I think there's a witness flag to generate stack traces when givi= ng > > out these sorts of warnings -- debug.witness_trace I think. Can you try > > turning that on in loader.conf and see if we get some additional > > information? The only MAC call in udp_output() is > > mac_create_mbuf_from_socket(), which isn't supposed to result in memory > > allocation. That should only happen when the mbuf itself is allocated.= A > > stack trace might narrow down the source of the problem. > >=20 >=20 > I get this too with mac_biba in kernel or loaded as a module. >=20 > Message at bootup: >=20 > malloc() of "128" with the following non-sleepablelocks held: > exclusive sleep mutex radix node head r =3D 1 (0xc268377c) locked @ /usr/= src/sys/n > et/route.c:549 >=20 > Messages on other network operations: >=20 > malloc() of "128" with the following non-sleepablelocks held: > exclusive sleep mutex inp r =3D 0 (0xc27a435c) locked @ /usr/src/sys/neti= net/udp_u > srreq.c:1034 >=20 FYI, debug.witness_trace is set (seems to default to 1). Any other ways to= get more info out of this? - Christian --=20 Christian Brueffer chris@unixpages.org brueffer@FreeBSD.org GPG Key: http://people.freebsd.org/~brueffer/brueffer.key.asc GPG Fingerprint: A5C8 2099 19FF AACA F41B B29B 6C76 178C A0ED 982D --tuYRN1zEaS85jg/Y Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (FreeBSD) iD8DBQE+f172bHYXjKDtmC0RAtAsAJ96WlVCXM9DJh/XZxjAq5MmTEi7hgCgxS2D cSyqRGrXXJmDC9CgRlGtRXY= =EBo+ -----END PGP SIGNATURE----- --tuYRN1zEaS85jg/Y-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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