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From: <bla@gericos.com>
Cc: 
Subject: RE: kern/111413: panic when nfsd running
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The following reply was made to PR kern/111413; it has been noted by GNATS.

From: <bla@gericos.com>
To: "'Kris Kennaway'" <kris@obsecurity.org>
Cc: <freebsd-gnats-submit@FreeBSD.org>
Subject: RE: kern/111413: panic when nfsd running
Date: Sun, 15 Apr 2007 03:00:45 +0200

 Hi Kris,
 
 The NFS server is totally KO. I cannot use it anymore, the server always
 crashes differently before launch any process at boot time.
 I'm certain it's a hardware problem. I will check it next week.
 
 You can close this case.
 
 Thanks.
 
 -----Message d'origine-----
 De=A0: Kris Kennaway [mailto:kris@obsecurity.org]=20
 Envoy=E9=A0: mardi 10 avril 2007 05:49
 =C0=A0: riton
 Cc=A0: freebsd-gnats-submit@FreeBSD.org
 Objet=A0: Re: kern/111413: panic when nfsd running
 
 On Mon, Apr 09, 2007 at 02:50:15PM +0000, riton wrote:
 
 > When nfsd is running, here is the type of panic I have (not always the
 same):
 >=20
 > FreeBSD/i386 (nfs01) (ttyd0)
 >=20
 > login: Memory modified after free 0xcc0b0a00(508) val=3Ddead80de @
 0xcc0b0b7c
 > panic: Most recently used by vnodemarker
 
 You will need to configure DEBUG_MEMGUARD to watch this malloc type.
 Unfortunately this requires a tiny change to the source so it is not
 completely trivial, but see memguard(9).
 
 Once you have done this, you will hopefully get a different panic when
 the memory is first accessed after it was freed, and we can proceed
 from there.
 
 Kris