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Date:      Thu, 19 Sep 2019 15:02:45 +0200
From:      Sebastian Huber <sebastian.huber@embedded-brains.de>
To:        Warner Losh <imp@bsdimp.com>
Cc:        FreeBSD Hackers <freebsd-hackers@freebsd.org>
Subject:   Re: Problems with port of NVMe support
Message-ID:  <9fb441a6-5fab-3950-8b44-558f0f71dba4@embedded-brains.de>
In-Reply-To: <CANCZdfrGov3bu631aNjqgce-Ki1tHAQ2VRTrSx%2Bo3uwP0-Xf6w@mail.gmail.com>
References:  <dd216882-2375-7751-ca94-57caec3763c5@embedded-brains.de> <CANCZdfrGov3bu631aNjqgce-Ki1tHAQ2VRTrSx%2Bo3uwP0-Xf6w@mail.gmail.com>

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On 14/09/2019 07:08, Warner Losh wrote:
>=20
>      =C2=A0From the NVMe specification I didn't get any hints what the =
error
>     reason could be. Maybe someone has a hint for me. The platform is a
>     T4240 PowerPC (big-endian).
>=20
>=20
> Maybe the physaddr in the SG list for these commands doesn't translate=20
> right?

I found the error, it was a misconfiguration of the Read Completion=20
Boundary (RCB).

--=20
Sebastian Huber, embedded brains GmbH

Address : Dornierstr. 4, D-82178 Puchheim, Germany
Phone   : +49 89 189 47 41-16
Fax     : +49 89 189 47 41-09
E-Mail  : sebastian.huber@embedded-brains.de
PGP     : Public key available on request.

Diese Nachricht ist keine gesch=C3=A4ftliche Mitteilung im Sinne des EHUG=
.



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