kern/157287: re0: INVARIANTS panic (Memory modified after free)

[Gleb Smirnoff]

The following reply was made to PR kern/157287; it has been noted by GNATS.

From: Gleb Smirnoff <glebius at FreeBSD.org>
To: Joerg Wunsch <joerg_wunsch at uriah.heep.sax.de>
Cc: FreeBSD-gnats-submit at FreeBSD.org, freebsd-bugs at FreeBSD.org
Subject: Re: kern/157287: re0: INVARIANTS panic (Memory modified after free)
Date: Fri, 27 May 2011 15:22:24 +0400

 On Thu, May 26, 2011 at 05:54:24PM +0200, Joerg Wunsch wrote:
 J> As it turns out this might be related to something else that has been
 J> using that piece of memory before re(4) is activated, here are the
 J> boot messages for reference.
 
 You can try to add 'options DEBUG_MEMGUARD' to your kernel config,
 and add the 'vm.memguard.desc=devbuf' to your /boot/loader.conf.
 
 This may help to find place where memory is tampered after free.
 
 -- 
 Totus tuus, Glebius.