From owner-freebsd-current@FreeBSD.ORG  Tue Aug 10 13:03:57 2004
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From: Simon Dick <simond@irrelevant.org>
To: Mike Bristow <mike@urgle.com>
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Date: Tue, 10 Aug 2004 14:03:51 +0100
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cc: freebsd-current@freebsd.org
cc: Robert Watson <rwatson@freebsd.org>
Subject: Re: panic: mutex vr0 not owned at ...if_vr.c:571 when
	doing	ifconfig
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On Tue, 2004-08-10 at 08:06, Mike Bristow wrote:
> On Mon, Aug 09, 2004 at 06:41:43PM -0400, Robert Watson wrote:
> > Hmm.  I actually committed a slightly different patch as if_vr.c:1.93 to
> > acquire the lock around vr_setcfg() in vr_miibus_statchg().  Could you
> > check that that also solves the problem?
> 
> When I tried that, it booted but paniced as soon as I ran 'ifconfig
> vr0 media blah':
> 
> 
> # ifconfig vr0 media 100baseTX
> panic: _mtx_lock_sleep: recursed on non-recursive mutex vr0 @
> +/usr/src/sys/pci/if_vr.c:506

Same here with 1.93 installed, currently backed out to 1.92 so I can use
my network