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List:       linux-kernel
Subject:    Re: [PATCH] ata: Disable NCQ for Crucial M225 brand SSDs
From:       Vishal Rao <vishalrao () gmail ! com>
Date:       2010-01-27 1:26:10
Message-ID: aacba7e1001261714n42a68824k62c411cd1e5d7893 () mail ! gmail ! com
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2010/1/27 Alan Cox <alan@lxorguk.ukuu.org.uk>:
> It could even be a Linux side bug or some kind of complicated Linux
> timing thing. That *has* happened before with the older IDE stack, so we
> need to be cautious, collect reports and try to see patterns before
> jumping to conclusions - unless the vendor advises us otherwise.

Good, I'm hoping you folks have better clout in soliciting responses from
users and vendors. In the mean time that I'm going to take a couple of
days to find the time to test on a different machine, here is a month-old
output of "dmesg | grep ata1" if it helps any:

http://pastebin.ubuntu.com/347122/

I'm running Ubuntu Lucid 10.04 alphas at the moment and note that even
if I "successfully reproduce" the problem on my alternate hardware, its
still the same particular disk which can't disprove that it's simply a
single defective piece - the only thing stuck in my mind is Win7rc working
fine so far while various other Linux distros have exhibited the same problem.
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