Date: Wed, 28 May 2003 11:19:45 -0400 (EDT) From: Robert Watson <rwatson@FreeBSD.org> To: David Malone <dwmalone@maths.tcd.ie> Cc: current@FreeBSD.org Subject: Re: mb alloc and: panic: mutex Giant not owned at ../../../vm/vm_kern.c:315 Message-ID: <Pine.NEB.3.96L.1030528111845.51795D-100000@fledge.watson.org> In-Reply-To: <20030528150524.GA40895@lanczos.maths.tcd.ie>
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On Wed, 28 May 2003, David Malone wrote: > On Wed, May 28, 2003 at 10:06:14AM -0400, Robert Watson wrote: > > I haven't seen this panic previously; a lack of Giant coming out of the > > socket code is a bit surprising to me, but I think is unlikely to be a > > result of our local MAC tweaks. > > This may be my fault, as I made some changes recently that assumed that > the mbuf allocator grabbed giant when needed. I'll check the code path > you've mentioned to see if it grabs giant now, but I suspect that I just > need to move the giant grabbing back where it was before. This doesn't seem to be a reproduceable problem for me, FWIW, (presumably a property of bucket sizes, etc) so you have all the information I have :-). If possible, we should get this fix in for 5.1? Robert N M Watson FreeBSD Core Team, TrustedBSD Projects robert@fledge.watson.org Network Associates Laboratories
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