kern/132068: page fault when using ZFS over NFS on 7.1-RELEASE/amd64

[Jaakko Heinonen]

The following reply was made to PR kern/132068; it has been noted by GNATS.

From: Jaakko Heinonen <jh at saunalahti.fi>
To: Edward Fisk <7ogcg7g02 at sneakemail.com>
Cc: bug-followup at FreeBSD.org
Subject: Re: kern/132068: page fault when using ZFS over NFS on
	7.1-RELEASE/amd64
Date: Tue, 24 Feb 2009 21:32:42 +0200

 Hi,
 
 On 2009-02-24, Edward Fisk wrote:
 > If you require any more information or testing, please let me know.
 
 > (kgdb) frame 8
 > #8  0xffffffff80651673 in nfsrv_readdirplus (nfsd=3D0xffffff0041546700, slp=
 > =3D0xffffff0079a7ad00, td=3D0xffffff0003793370, mrq=3D0xffffffffdd9d6b00) a=
 > t /usr/src/sys/nfsserver/nfs_serv.c:3645
 > 3645				nfhp->fh_fsid =3D
 
 Can you give output of these commands in frame 8:
 
 p *nvp
 p *nvp->v_mount
 
 If nvp is NULL it's likely a bug in zfs_zget(). Looks like the zfs
 version in head has updated zfs_zget() which might fix the issue.
 
 -- 
 Jaakko