Can not read from ZFS exported over NFSv4 but write to it

[YongHyeon PYUN]

On Tue, Oct 30, 2012 at 08:12:51AM +0100, Yamagi Burmeister wrote:
> Hello,
> it turned out that the problem was in fact a bug in the age(4) NIC
> driver. TSO support lead to corrupted packages which in turn lead to
> stalling NFS4 mounts. YongHyeon PYUN send me the attached patch which
> solves the problem. Thank you all for your help.

Committed to HEAD(r242348).