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

From: Vishal Rao
Date: Wed Jan 27 2010 - 18:16:43 EST


2010/1/28 Mark Lord <kernel@xxxxxxxxxxxx>:
> 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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