Date: Thu, 2 Oct 2003 18:35:54 -0700 From: Mark Woodson <mwoodson@sricrm.com> To: Robert Watson <rwatson@FreeBSD.org> Cc: current@FreeBSD.org Subject: Re: lor on boot Message-ID: <200310021835.57268.mwoodson@sricrm.com> In-Reply-To: <Pine.NEB.3.96L.1031002205221.29639C-100000@fledge.watson.org> References: <Pine.NEB.3.96L.1031002205221.29639C-100000@fledge.watson.org>
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=2D----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On Thursday 02 October 2003 05:54 pm, Robert Watson wrote: > On Thu, 2 Oct 2003, Mark Woodson wrote: > > On Thursday 02 October 2003 05:07 pm, Robert Watson wrote: > > > On Thu, 2 Oct 2003, Mark Woodson wrote: > > > > I'm getting a lor on a system just upgraded to sources from > > > > this morning. The systems been running fine for the past > > > > month or so. > > > > > > What version of src/sys/net/netisr.c are you running with? > > > > * $FreeBSD: src/sys/net/netisr.c,v 1.4 2003/10/01 21:31:09 > > rwatson Exp $ > > > > That's what I'm showing. So it's from last night then. > > Ah. Ok, this is because the if_rl driver holds the driver mutex > across a call to the interface input routine, resulting in holding > the mutex across a call into the remainder of the network stack.=20 > The reason this showed up for you now is that I temporarily enabled > direct dispatch of the isr code directly from the driver interrupt > threads for an hour or so last night, and you updated during that > time. I backed it out to work on two issues -- one the possible > reordering of packets (patch now bing reviewed), and the other that > a few drivers currently hold their lock over the call into the > remainder of the stack, which needs to be fixed. If you cvsup, the > problem should go away. I will do so, the machine seems to continue functioning I'll note=20 though. Thanks for rather quick response. =2D -Mark =2D----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.2 (FreeBSD) iD8DBQE/fNJ6F/yyV91po54RAml5AKCJJgXFwhSdX3eRP9uUwhsY6ADYvwCgqe+M eQpbUC/ovQExNJTMhDRqF44=3D =3Dq46C =2D----END PGP SIGNATURE-----
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