Crash with ZFS between r296491 and r296548

[Ed Maste]

On 9 March 2016 at 08:28, Jean-Sébastien Pédron
<jean-sebastien.pedron at dumbbell.fr> wrote:
> On 09/03/2016 12:23, Alexander Motin wrote:
>> Should be fixed by r296563.
>>
>> Illumos assumes full sync between kernel and world, so they are quietly
>> breaking ABI as often as they want for any new feature.  One more set of
>> compat shim added helps for now.
>
> Thank you!
>
> I confirm world at 296491 + kernel at 296564 works fine.

I'm also now running with a post r296563 kernel and userland.

Note that the opposite case of a new userland and older kernel the zfs
tools abort. Although that direction isn't always guaranteed or
necessarily expected to work, mav mentioned one more fix should take
care of it.