linux-kernel - Re: [BUG] 2.6.24-git usb reset problems

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Date:	Tue, 29 Jan 2008 15:31:38 +0100
From:	Oliver Neukum <oliver@...kum.org>
To:	Jens Axboe <jens.axboe@...cle.com>
Cc:	Boaz Harrosh <bharrosh@...asas.com>, Greg KH <greg@...ah.com>,
	Matthew Dharm <mdharm-usb@...-eyed-alien.net>,
	linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
	linux-scsi@...r.kernel.org
Subject: Re: [BUG] 2.6.24-git usb reset problems

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@...cle.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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