linux-kernel - Re: [2.6.30.5] Diagnosing an IDE lockup with SMART long tests

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Date:	Wed, 2 Sep 2009 08:42:20 -0600
From:	Robert Hancock <hancockrwd@...il.com>
To:	Raphael Manfredi <Raphael_Manfredi@...ox.com>
Cc:	linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org
Subject: Re: [2.6.30.5] Diagnosing an IDE lockup with SMART long tests

On Wed, Sep 2, 2009 at 5:19 AM, Raphael
Manfredi<Raphael_Manfredi@...ox.com> wrote:
> Quoting Robert Hancock:
>> It's most likely a bug in the IDE code somewhere, but realistically the
>> most effective course of action would likely be to switch from the old IDE
>> drivers and use libata instead. The IDE code doesn't receive that much
>> testing these days, and it's really hard to debug (as you've seen, the
>> debugging output is rather atrocious).
>
> I gave it a shot anyway.  Converting to PATA was surprisingly straighforward.
>
> Anyway, I now get the following when running SMART long tests on /dev/sda:
>
>  ata1: lost interrupt (Status 0x50)
>
> And the machine hangs...  So I'm back to square one.
> How do I prevent lockups on the system when running SMART long tests?

Can you post what particular command you're running to run the SMART
test, and also the full dmesg output from bootup? Also CCing
linux-ide.
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