Date: Mon, 7 Sep 1998 23:52:18 -0700 (PDT) From: Matthew Jacob <mjacob@feral.com> To: "Kenneth D. Merry" <ken@plutotech.com> Cc: scsi@FreeBSD.ORG Subject: Re: right return message for CAM sa driver? Message-ID: <Pine.LNX.4.02.9809072350030.5723-100000@feral-gw> In-Reply-To: <199809080329.VAA19256@panzer.plutotech.com>
next in thread | previous in thread | raw e-mail | index | archive | help
ENODEV Operation not supported by device
seems better in this context than "Device not configured". The
device is configured (it's attached and configured)- it's just
not ready for operation.
Usually this is an EIO error, but if you're going to have other
than that, I believe ENXIO is misleading.
On Mon, 7 Sep 1998, Kenneth D. Merry wrote:
> Matthew Jacob wrote...
> >
> > A mt rewind on a device that's there but with no tape returns:
> >
> > quarm.feral.com > root mt -f /dev/rsa0 rewind
> > mt: /dev/rsa0: rewind: Device not configured
> >
> >
> > Is that really the right errno we want?
>
>
> It's set in scsi_all.c:
>
> /* DTL WRSOM */{SST(0x3A, 0x00, SS_NEDEF|ENXIO,
> "Medium not present") },
> /* DT WR OM */{SST(0x3A, 0x01, SS_NEDEF|ENXIO,
> "Medium not present - tray closed") },
> /* DT WR OM */{SST(0x3A, 0x02, SS_NEDEF|ENXIO,
> "Medium not present - tray open") },
>
> What would you suggest as an alternative? I'm certainly open to
> suggestions. ENXIO gets returned for basically any type of medium not
> present error.
>
> If you want something just for tape drives, we can easily stick a
> tape-drive-only error code in the sense code quirk table.
>
> [ ... ]
>
> > quarm.feral.com > dmesg | tail -30
> > (sa0:isp0:0:4:0): REWIND. CDB: 1 0 0 0 0 0
> > (sa0:isp0:0:4:0): NOT READY asc:3a,0
> > (sa0:isp0:0:4:0): Medium not present
> > (sa0:isp0:0:4:0): REWIND. CDB: 1 0 0 0 0 0
> > (sa0:isp0:0:4:0): NOT READY asc:3a,0
> > (sa0:isp0:0:4:0): Medium not present
> [ ... ]
>
>
> Ken
> --
> Kenneth Merry
> ken@plutotech.com
>
> To Unsubscribe: send mail to majordomo@FreeBSD.org
> with "unsubscribe freebsd-scsi" in the body of the message
>
To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-scsi" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?Pine.LNX.4.02.9809072350030.5723-100000>