nvd disk on nvme controller not detected at boot-time

[Jim Harris]

On Tue, Oct 14, 2014 at 1:47 AM, Maikel Verheijen <
Maikel.Verheijen at redwood.com> wrote:

> Hi list!
>
> We recently purchased a HP DL380e G8 server to serve as our backup server
> with an Intel P3600 that uses the nvme interface. We added load_nvme="YES"
> and load_nvd="YES" to our loader.conf, and they both get loaded, however
> the ssd disk device is not detected at boot. When we unload and reload the
> nvd module the disk does get detected. Is there a way to see if the
> load-order is correct? We added verbose_loading="YES" to the loader.conf,
> but dmesg doesn't show me the actual loading.
>
> One thing I did see related to the nvme in the dmesg (full dmesg attached)
> output is this:
>
>
Hi Maikel,

Which version of FreeBSD are you using?  I believe both of these issues
have been fixed on HEAD and merged to stable/9 and stable/10.  9.3 and
10.1-RC would have these fixes.  9.2 and 10.0 would not.


> nvme0: <Generic NVMe Device> mem 0xfbdf0000-0xfbdf3fff irq 16 at device
> 0.0 on pci3
> …
> nvme0: SET FEATURES (09) sqid:0 cid:9 nsid:0 cdw10:00000080 cdw11:00000000
> nvme0: INTERNAL DEVICE ERROR (00/06) sqid:0 cid:9 cdw0:
>

This was fixed in r263277.  Incidentally, the error message here is
harmless and not associated with the primary issue you have described above.


>
> After unloading and reloading  the nvd module the disk does get detected:
>
> nvd0: <INTEL SSDPEDME400G4> NVMe namespace
> nvd0: 381554MB (781422768 512 byte sectors)
>

The load on boot issue was fixed in r263310.

Best regards,

-Jim



>
> Is there anyone that might give me some pointers on how to get the nvd0
> device loaded consistently at boot time?
>

Thanks in advance,
> Kind regards,
> Maikel Verheijen
>
>
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