Re: mb alloc and: panic: mutex Giant not owned at ../../../vm/vm_kern.c:315

From: Robert Watson <rwatson_at_FreeBSD.org>
Date: Wed, 28 May 2003 11:19:45 -0400 (EDT)
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_at_fledge.watson.org      Network Associates Laboratories
Received on Wed May 28 2003 - 06:20:37 UTC

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