kern/103432: panic: nfssvc_nfsd(): debug.mpsafenet=1 && Giant
kris at obsecurity.org
Wed Sep 20 11:20:29 PDT 2006
The following reply was made to PR kern/103432; it has been noted by GNATS.
From: Kris Kennaway <kris at obsecurity.org>
To: Daniel Rudy <dcrudy at pacbell.net>
Cc: freebsd-gnats-submit at FreeBSD.org
Subject: Re: kern/103432: panic: nfssvc_nfsd(): debug.mpsafenet=1 && Giant
Date: Wed, 20 Sep 2006 14:15:09 -0400
Content-Type: text/plain; charset=us-ascii
On Wed, Sep 20, 2006 at 03:34:20PM +0000, Daniel Rudy wrote:
> This computer is configured as a NFS server and it also has IPSEC enabled. When a NFS client accesses this server, the server imediately panics with the following error "panic: nfssvc_nfsd(): debug.mpsafenet=1 && Giant" and reboots hanging the client. On a release 6.0 machine, debug.mpsafe is forced to 0 because IPSEC requires Giant.
This may have been fixed after 6.1-RELEASE, but it's impossible to say
without a traceback. Please follow the directions in the chapter on
kernel debugging in the developers handbook and report back.
> On a 6.1 system, enable IPSEC and NFS then try to access the server remotely.
> Can't. The OID for debug.mpsafenet is readonly.
It's a tunable, you can set it in /boot/loader.conf at boot time.
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