linux-kernel - Re: [BISECTED] Re: [BUG] Linux-2.6.31-rc1 Fails To Recognize Some USB Disks

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Message-ID: <20090727145048.GF3711@parisc-linux.org>
Date:	Mon, 27 Jul 2009 08:50:48 -0600
From:	Matthew Wilcox <matthew@....cx>
To:	"Martin K. Petersen" <martin.petersen@...cle.com>
Cc:	Boaz Harrosh <bharrosh@...asas.com>,
	Tarkan Erimer <tarkan.erimer@...knet.net.tr>,
	linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org
Subject: Re: [BISECTED] Re: [BUG] Linux-2.6.31-rc1 Fails To Recognize Some
	USB Disks

On Mon, Jul 27, 2009 at 10:29:21AM -0400, Martin K. Petersen wrote:
> >>>>> "Boaz" == Boaz Harrosh <bharrosh@...asas.com> writes:
> 
> Boaz> I don't understand. The device in question breaks when we try to
> Boaz> read a page that it reported it supports?
> 
> No.  The USB-ATA bridge in question locks up when we send it an INQUIRY
> with EVPD=1.  I.e. when we try to get a list of pages. 0xB0 and 0xB1 are
> not even in play here.

Tarkan didn't say it locked up.  He said it returned:

root@...kane:~# sg_inq -e /dev/sdb
VPD INQUIRY: extended INQUIRY data page

inquiry: transport: Host_status=0x05 [DID_ABORT]
Driver_status=0x00 [DRIVER_OK, SUGGEST_OK]

    inquiry: failed, res=-1

I don't understand how we go any further at this point.

-- 
Matthew Wilcox				Intel Open Source Technology Centre
"Bill, look, we understand that you're interested in selling us this
operating system, but compare it to ours.  We can't possibly take such
a retrograde step."
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