Date: Tue, 29 Jan 2008 15:31:10 +0100
From: Jens Axboe <jens.axboe@oracle.com>
To: Oliver Neukum <oliver@neukum.org>
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
Subject: Re: [BUG] 2.6.24-git usb reset problems
Message-ID: <20080129143109.GW15220@kernel.dk>
References: <20080128204935.GI15220@kernel.dk> <479F32E9.10609@panasas.com> <20080129141108.GV15220@kernel.dk> <200801291531.39825.oliver@neukum.org>
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On Tue, Jan 29 2008, Oliver Neukum wrote:
> 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.

Sure, I'll do that. Will post the results tonight.

-- 
Jens Axboe

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