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

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Message-ID: <4A6DBEEB.5020302@panasas.com>
Date:	Mon, 27 Jul 2009 17:51:23 +0300
From:	Boaz Harrosh <bharrosh@...asas.com>
To:	"Martin K. Petersen" <martin.petersen@...cle.com>
CC:	Matthew Wilcox <matthew@....cx>,
	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 07/27/2009 05:29 PM, 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.
> 

Haa, OK. I thought INQUIRY EVPD=1 page=0 was so old it sure must be supported
but you are saying it's only SBC2/SPC3. So I guess there is nothing else we can do.

What I hate about all this is that in USB the scsi_level is hard coded at the driver,
without actually been able to probe the device about it. So my 1 TeraByte new seagate
external disk must behave like the above junk.
(Thank god for eSATA)

Boaz
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