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Re: kern/41874: in-kernel NFS server hates network interface aliases



The following reply was made to PR kern/41874; it has been noted by GNATS.

From: "Erik E. Fair" <fair%netbsd.org@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: kern-bug-people%netbsd.org@localhost, netbsd-bugs%netbsd.org@localhost
Subject: Re: kern/41874: in-kernel NFS server hates network interface aliases 
Date: Sun, 16 Aug 2009 09:38:25 -0700

        Date: Sun, 16 Aug 2009 05:30:04 +0000 (UTC)
        From: David Holland <dholland-bugs%netbsd.org@localhost>
         
         ... how on earth can interface aliases cause it to croak in namei?
 
 I don't know - I merely observe & report the problem behavior, and the only
 change to system configuration that I presume caused it.
 
 It is important to note that the NFS server was routing IP packets between
 two interfaces, in addition to serving up NFS - the interface alias addresses
 were those of my house router on two physically separate networks which the
 NFS server also had its own interfaces and addresses on; This is not merely
 a matter of an NFS server with one or more additional interface aliases.
 
 Further, now that I have a dedicated router deployed once again and the
 interface alias addresses have been removed from the NFS server (and its NFS
 services turned back on), it is stable once again. So, I think there is a
 pretty strong circumstantial case linking this particular configuration change
 and the subsequent locking panics.
 
        Erik <fair%netbsd.org@localhost>
 


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