From: Tejun Heo <tj@kernel.org>
To: "Lubomír Bulej" <lubomir.bulej@dsrg.mff.cuni.cz>
Cc: jgarzik@pobox.com, linux-ide@vger.kernel.org
Subject: Re: [PATCH] libata: blacklist NCQ on OCZ CORE 2 SSD
Date: Mon, 22 Dec 2008 17:14:12 +0900 [thread overview]
Message-ID: <494F4C54.9040602@kernel.org> (raw)
In-Reply-To: <4946C96B.2030603@dsrg.mff.cuni.cz>
Lubomír Bulej wrote:
> Hello,
>
> after putting a 250G OCZ CORE v2 SSD into my notebook, I have to endure
> several invocations of the ata EH before the kernel decides to disable
> NCQ due too many errors. The drive reports NCQ of depth 1, which is
> probably useless anyway.
>
> The patchlet below saves me the waiting for the completion of several
> ata EH invocations, but I'm not sure if this is the right solution.
> Attached are two dmesg dumps, one with errors and the other with the
> patchlet compiled in. Attached is also "hdparm -I" of the drive.
Aieee.. these SSDs. Can't they hire someone who actually know ATA
before putting these devices out on the market? :-(
Anyways, I don't think there's much we can do other than blacklisting
it. Can you please resend with proper S-O-B?
--
tejun
prev parent reply other threads:[~2008-12-22 8:14 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-15 21:17 [PATCH] libata: blacklist NCQ on OCZ CORE 2 SSD Lubomír Bulej
2008-12-16 0:36 ` Robert Hancock
[not found] ` <49476EC7.5080201@dsrg.mff.cuni.cz>
2008-12-17 1:04 ` Robert Hancock
2008-12-22 8:14 ` Tejun Heo [this message]
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