From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jens Axboe <axboe@suse.de>
Subject: Re: SuSE hwinfo/yast2 still confusing SYM53C8XX, killing tape backups (was: [BK PATCH] SCSI -rc1 fixes)
Date: Mon, 22 Nov 2004 12:37:22 +0100
Message-ID: <20041122113722.GH10463@suse.de>
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To: Steffen Winterfeldt <snwint@suse.de>
Cc: Matthias Andree <ma@dt.e-technik.uni-dortmund.de>, James Bottomley <James.Bottomley@SteelEye.com>, Jeff Garzik <jgarzik@pobox.com>, Andrew Morton <akpm@osdl.org>, Linus Torvalds <torvalds@osdl.org>, SCSI Mailing List <linux-scsi@vger.kernel.org>

On Mon, Nov 22 2004, Steffen Winterfeldt wrote:
> On Mon, 22 Nov 2004, Jens Axboe wrote:
> > On Mon, Nov 22 2004, Steffen Winterfeldt wrote:
> > > On Mon, 22 Nov 2004, Jens Axboe wrote:
> > > > On Mon, Nov 22 2004, Steffen Winterfeldt wrote:
> 
> > > > > If running just hwinfo breaks things for you, you might try running it
> > > > > through strace and look at the files it accesses. Maybe that gives some hint
> > > > > to narrow things down.
> > > > 
> > > > hwinfo needs to be updated to use SG_IO, there are too many things that
> > > > can go wrong with SCSI_IOCTL_SEND_COMMAND (it's far too easy to confuse
> > > > the device or adapter).
> > > 
> > > Well, it already has. But I don't think this is the problem here.
> > 
> > It has? Great! It could have been the problem if the data phases are
> > interpreted incorrectly.
> 
> You got me wrong. It has in SL 9.2 but this is about SL 9.1, if I understand
> correctly.
> 
> Anyway, to see whether this really matters, run
> 
>  hwprobe=+scsi.noserial hwinfo
> 
> and see if it makes a difference. Or try hwinfo from SL 9.2.

I'd rather see the latter. Can you post a link where it can be reached
publically?

-- 
Jens Axboe