linux-kernel - Re: [PATCH] ata: Disable NCQ for Crucial M225 brand SSDs

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Message-ID: <aacba7e1001271516k3bb82a0fq7e019b28f3b8972f@mail.gmail.com>
Date:	Thu, 28 Jan 2010 04:46:37 +0530
From:	Vishal Rao <vishalrao@...il.com>
To:	Mark Lord <kernel@...savvy.com>
Cc:	Alan Cox <alan@...rguk.ukuu.org.uk>,
	David Rees <drees76@...il.com>, jgarzik@...ox.com,
	linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org,
	trivial@...nel.org, stable@...nel.org
Subject: Re: [PATCH] ata: Disable NCQ for Crucial M225 brand SSDs

2010/1/28 Mark Lord <kernel@...savvy.com>:
> The errors in that log indicate bad media.
> So the question is, can you demonstrate Win7rc NOT having the same
> errors when accessing the SAME (logical) sectors ?

Would that mean I have to blow away my precious ext4 partitions and
have them Win7rc NTFS formatted and run a full check-disk with
bad block checking enabled?

I can do that, but probably over the weekend since I'll have to backup files
and what not.

In the mean time, can I run a linux command (please tell me what it is or
I will search for something to run online) or tool while NCQ is disabled (via
libata.force=noncq) that can do a disk scan with bad block checking?

If that linux command/tool does not show errors, will that be sufficient to
demonstrate that my disk does not have bad blocks without the need to
run Win7rc?
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