On Sun, Dec 9, 2018 at 3:43 PM Yuri Pankov <yur...@yuripv.net> wrote:

> Chuck Tuffli wrote:
> > On Sat, Dec 8, 2018 at 12:28 PM Yuri Pankov <yur...@yuripv.net
> > <mailto:yur...@yuripv.net>> wrote:
> >
> >     Hi,
> >
> >     Running -HEAD in VMware Workstation 15.0.2 VM.  Trying to use nda(4)
> >     instead of nvd(4) shows the following list of errors, and eventually
> >     panics:
> >
> >     https://people.freebsd.org/~yuripv/nda1.png
> >     https://people.freebsd.org/~yuripv/nda2.png
> >
> >     nvd(4) works without issues in this VM.  nda(4) works as well in
> VMware
> >     ESXi VMs.  Is this a problem with WS NVMe emulation?
> >
> >
> > Since I don't have access to ESXi, the attached is a speculative fix. If
> > it works, I'll clean this up a bit and get it committed. If not, please
> > post the output from:
> > nvmecontrol identtify nvme0
>
> Thank you, it seems to help (was seeing the issue previously immediately
> after boot).  BTW, the ESXi VM works fine with nda, it's only the
> Workstation that had the problem.  Comparing `nvmecontrol identify`
> output from both, the only difference is (first is WS, second is ESXi):
>
> -Dataset Management Command:  Not Supported
> +Dataset Management Command:  Supported
>

OK, that makes sense given the error message and the patch working. I'll
get this cleaned up and committed. Thanks for the report!

--chuck
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