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Date: Wed, 30 Mar 2005 16:23:12 +0200
From: Rene Ladan <r.c.ladan@student.tue.nl>
To: Kris Kennaway <kris@obsecurity.org>
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cc: stable@freebsd.org
Subject: Re: new LORs on 5.4 pre
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On Wed, Mar 30, 2005 at 05:52:13AM -0800, Kris Kennaway wrote:
> On Wed, Mar 30, 2005 at 11:17:50AM +0200, Rene Ladan wrote:
> > Hi,
> >=20
> > I've stumbled over some new LORs (all continuable) on 5.4pre from
> > 2005-03-29 09:49 UTC, thus before the bpf/DHCP fix.
> >=20
> > lock order reversal
> >  1st 0xc0642b60 Giant (Giant) @ /usr/src/sys/kern/kern_timeout.c:256
> >  2nd 0xc14d7264 fxp0 (network driver) @ /usr/src/sys/modules/fxp/../../=
dev/fxp/if_fxp.c:1233
>=20
> Is your fxp module up-to-date?  Stale modules (i.e. compiled for a
> different kernel than the one you're running) will cause problems.

All modules are up to date.  This LOR popped up after installing from a
resume buildworld.  After blowing away /usr/obj, make cleandir twice in
/usr/src and rebuilding and reinstalling world+kernel, it and the others
still pop up, especially after any of these commands:

# dhclient fxp0
# ntpd -q
% fetchmail (only at startup, not after wakeup)

Browsing in links does _not_ trigger a LOR.

> Kris

Regards,
Rene
--=20
"It won't fit on the line."
		-- me, 2001

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