kern/103432: panic: nfssvc_nfsd(): debug.mpsafenet=1 && Giant

Daniel Rudy dcrudy at
Wed Sep 20 08:40:19 PDT 2006

>Number:         103432
>Category:       kern
>Synopsis:       panic: nfssvc_nfsd(): debug.mpsafenet=1 && Giant
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    freebsd-bugs
>State:          open
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Wed Sep 20 15:40:17 GMT 2006
>Originator:     Daniel Rudy
>Release:        6.1-RELEASE-p7
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.
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.


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