From: Oliver Neukum <oliver@neukum.org>
Organization: Novell
To: Jens Axboe <jens.axboe@oracle.com>
Subject: Re: [BUG] 2.6.24-git usb reset problems
Date: Tue, 29 Jan 2008 15:31:38 +0100
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Cc: Boaz Harrosh <bharrosh@panasas.com>, Greg KH <greg@kroah.com>,
       Matthew Dharm <mdharm-usb@one-eyed-alien.net>,
       linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org,
       linux-scsi@vger.kernel.org
References: <20080128204935.GI15220@kernel.dk> <479F32E9.10609@panasas.com> <20080129141108.GV15220@kernel.dk>
In-Reply-To: <20080129141108.GV15220@kernel.dk>
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Am Dienstag, 29. Januar 2008 15:11:08 schrieb Jens Axboe:
> On Tue, Jan 29 2008, Boaz Harrosh wrote:
> > On Tue, Jan 29 2008 at 15:54 +0200, Jens Axboe <jens.axboe@oracle.com> wrote:
> > > On Tue, Jan 29 2008, Boaz Harrosh wrote:
> > >> Greg KH wrote:
 
> > > No difference, still just a lot of resets.
> > > 
> > Where you able to figure out which usb storage transport is used?
> > 
> > in drivers/usb/storage/usb.c you have get_protocol() and get_transport()
> > functions. I'm not sure if these get stored in sysfs perhaps. This will
> > pinpoint better where to look. Let me research a bit. 
> 
> Did the quick'n easy and dumped it. Protocol is 'Transparent SCSI' and
> transport is 'Bulk'

You can recompile your kernel with CONFIG_USB_DEBUG and CONFIG_STORAGE_DEBUG
That should tell the reason for the resets.

	Regards
		Oliver
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