Kostik wrote: > On Sun, Oct 26, 2014 at 08:14:05AM -0400, Rick Macklem wrote: > > Beeblebrox wrote: > > > Sorry guys, we have a considerable time-zone difference. > > > > > > >> It appears that the sysctl must be set before mountd, nfsd are > > > >> started to take effect. (Or they must be restarted after it is > > > >> set.) > > > I had apparently re-started nfsd but not mountd. This time > > > re-starting both and launching the PXE client fails at mount_root > > > stage as expected: > > > exec /sbin/init: error 43 > > > exec /rescue/init: error 43 > > > panic: no init > > > > > > One cannot set "sysctl vfs.nfsd.server_min_nfsvers=4" until one > > > of > > > mountd/nfsd is started however, otherwise it gives an error. I > > > have > > > not tried, but I suppose this error does not happen when placeed > > > in > > > /etc/sysctl.conf? > > > sysctl: unknown oid 'vfs.nfsd.server_min_nfsvers': No such file > > > or > > > directory > > > > > It works if it is /etc/sysctl.conf if "options NFSD" are specified > > for the kernel, which is what GENERIC for i386 has. > > > > If "options NFSD" isn't in your kernel config, I think you'd have > > to > > get nfsd.ko loaded before setting the sysctl and do both before > > starting mountd. > > > > I don't know of a clean way to do this? > > > > Putting kldload and sysctl command lines in mountd_precmd() in > > /etc/rc.d/mountd would do it I suspect. Maybe rc variables for > > this should be added? (I haven't tried this since the only > > kernels I have handy have "options NFSD" in them.) > > With the following patch, the same variables should work when > set from the loader.conf (i.e. pre-boot) or using kenv(8). > > diff --git a/sys/fs/nfsserver/nfs_nfsdkrpc.c > b/sys/fs/nfsserver/nfs_nfsdkrpc.c > index d2145cc..4fb9c93 100644 > --- a/sys/fs/nfsserver/nfs_nfsdkrpc.c > +++ b/sys/fs/nfsserver/nfs_nfsdkrpc.c > @@ -85,16 +85,16 @@ SYSCTL_DECL(_vfs_nfsd); > SVCPOOL *nfsrvd_pool; > > static int nfs_privport = 0; > -SYSCTL_INT(_vfs_nfsd, OID_AUTO, nfs_privport, CTLFLAG_RW, > +SYSCTL_INT(_vfs_nfsd, OID_AUTO, nfs_privport, CTLFLAG_RWTUN, > &nfs_privport, 0, > "Only allow clients using a privileged port for NFSv2 and 3"); > > static int nfs_minvers = NFS_VER2; > -SYSCTL_INT(_vfs_nfsd, OID_AUTO, server_min_nfsvers, CTLFLAG_RW, > +SYSCTL_INT(_vfs_nfsd, OID_AUTO, server_min_nfsvers, CTLFLAG_RWTUN, > &nfs_minvers, 0, "The lowest version of NFS handled by the > server"); > > static int nfs_maxvers = NFS_VER4; > -SYSCTL_INT(_vfs_nfsd, OID_AUTO, server_max_nfsvers, CTLFLAG_RW, > +SYSCTL_INT(_vfs_nfsd, OID_AUTO, server_max_nfsvers, CTLFLAG_RWTUN, > &nfs_maxvers, 0, "The highest version of NFS handled by the > server"); > > static int nfs_proc(struct nfsrv_descript *, u_int32_t, SVCXPRT > *xprt,
Worked fine for me. Do you mind if I commit this or would you rather do it. Thanks, rick > _______________________________________________ > firstname.lastname@example.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to > "freebsd-current-unsubscr...@freebsd.org" > _______________________________________________ email@example.com mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"