Testing new nfs and VIMAGE

[Rick Macklem]

> And the attached core.txt got eaten.
> <http://people.hidden-powers.com/~glz/core.txt.3>
> 
> /glz
> 
> --On May 27, 2011 10:37:32 +0200 Goran Lowkrantz
> <glz at hidden-powers.com>
> wrote:
> 
> >
> > I have been testing VIMAGE a lot lately to see how it works an all
> > my
> > test cases works as expected except when I use NFSv4 from an NFS
> > client
> > with a kerrel with VIMAGE enabled.
> >
> > All other permutations work and this error is very specific. All
> > crashes
> > occurs when trying to read or write to an NFS v4 volume. I have seen
> > it
> > on both i386 and amd64.
> >
> ># 12 0xc0a73c15 in rt_tables_get_rnh (table=0, fam=2)
> >     at /usr/src/sys/net/route.c:153
> >
> >
> > static __inline struct radix_node_head **
> > rt_tables_get_rnh_ptr(int table, int fam)
> > {
> >         struct radix_node_head **rnh;
> >
> >         KASSERT(table >= 0 && table < rt_numfibs, ("%s: table out of
> > bounds.",
> >             __func__));
> >         KASSERT(fam >= 0 && fam < (AF_MAX+1), ("%s: fam out of
> >         bounds.",
> >             __func__));
> >
> >         /* rnh is [fib=0][af=0]. */
> > ---> rnh = (struct radix_node_head **)V_rt_tables;
> >         /* Get the offset to the requested table and fam. */
> >         rnh += table * (AF_MAX+1) + fam;
> >
> >         return (rnh);
> > }
> >
> > Any ideas?
> >
> > Cores and dumps are available plus a vmware player setup to test and
> > debug.
> >
I know diddly about VIMAGE, but you could try the attached patch which
imitates what is done other places.

If the patch isn't attached, you can find it at:
  http://people.freebsd.org/~rmacklem/vnet.patch

rick
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