From owner-freebsd-firewire  Mon Dec 30 18:47:43 2002
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Date: Tue, 31 Dec 2002 11:46:30 +0900
Message-ID: <ybsisxa6h2x.wl@ett.sat.t.u-tokyo.ac.jp>
From: Hidetoshi Shimokawa <simokawa@sat.t.u-tokyo.ac.jp>
To: Chuck McCrobie <mccrobie2000@yahoo.com>
Cc: Jaye Mathisen <mrcpu@internetcds.com>,
	freebsd-firewire@freebsd.org
Subject: Re: Problem recognizing second disk in 2 disk firewire enclosure.
In-Reply-To: <20021230181105.87585.qmail@web14808.mail.yahoo.com>
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At Mon, 30 Dec 2002 10:11:05 -0800 (PST),
Chuck McCrobie wrote:
> Yes, it partially works.  I see the same type of
> "hang" in that it requeues the command.  The drive is
> empty when it does this.  I'll try will media in the
> drive.
> 
> Also, I did get it to see _ALL_ devices and was able
> to get our changer management software partially
> working, but the changer hung on the "B8 - read
> element status" command.
> 
> I'll turn on the debug.sbp_debug and send the output
> shortly.
> 
> Thank you for the progress so far!!

Thanks for sending me the output.

What kind of management software do you use?

Dec 30 13:14:27 falcon kernel: sbp0:0:2 XPT_SCSI_IO: cmd: b8 00 00 00
ff ff 00 00 80 08, flags: 0x40, 12b cmd/32776b data/32b sense

I'm not familiar with changeres but "32776b data" might be too large
for that device. In chgetelemstatus() in /sys/cam/scsi/scsi_ch.c,	
they request 1024 bytes at first to determine the size.

I'm also interested in the case probe fails. Could you send me
the dmesg output of that?

/\ Hidetoshi Shimokawa
\/  simokawa@sat.t.u-tokyo.ac.jp
PGP public key: http://www.sat.t.u-tokyo.ac.jp/~simokawa/pgp.html


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