linux-kernel - Re: [PATCH] JMicron JM20337 USB-SATA data corruption bugfix

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Date:	Thu, 4 Sep 2008 11:26:13 -0400 (EDT)
From:	Alan Stern <stern@...land.harvard.edu>
To:	Thiago Galesi <thiagogalesi@...il.com>
cc:	Alex Buell <alex.buell@...ted.org.uk>,
	<linux-kernel@...r.kernel.org>, Robert Hancock <hancockr@...w.ca>,
	Tomas Styblo <tripie@...n.org>, <linux-usb@...r.kernel.org>,
	<usb-storage@...ts.one-eyed-alien.net>
Subject: Re: [PATCH] JMicron JM20337 USB-SATA data corruption bugfix - device
 152d:2338

On Thu, 4 Sep 2008, Thiago Galesi wrote:

> > Oh yes, one other thing...  Have you tried hooking this drive directly
> > to an IDE cable (avoiding the USB-ATA adapter) to see if it works okay
> > in that environment?  If it does then you know where the bug is.
> 
> I'll try that. My bet is on the USB converter, since reloading the
> entire usb modules chain makes it work again
> Problem is I'm not using this drive as an 'external drive', rather,
> the jmicron device is in the motherboard, providing a 'native IDE
> port' in the MB (I know, I know)
> 
> Needless to say this works flawlessly in that other proprietary OS...

You could try using SnoopyPro to monitor the commands Windows sends to
the drive.

Alan Stern

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