linux-kernel - Re: [PATCH] libata: add Samsung HD401LJ to the NCQ blacklist

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Message-ID: <4625CF43.5010704@gmail.com>
Date:	Wed, 18 Apr 2007 16:56:51 +0900
From:	Tejun Heo <htejun@...il.com>
To:	Tejun Heo <htejun@...il.com>, linux-ide@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] libata: add Samsung HD401LJ to the NCQ blacklist

Max Kellermann wrote:
> On 2007/04/18 08:26, Tejun Heo <htejun@...il.com> wrote:
>> Can you try it on another controller?  Say, a ahci or sil24?
> 
> Seems to work ok on a Via VT8251 controller (AHCI) on kernel
> 2.6.21-rc6-git4 without my NCQ disabling patch.

Unfortunately, NCQ is not supported on VT8251, so it doesn't prove
anything.  :-(

> By the way, on this machine, I had a lot of SATA timeouts during
> kernel boot, which were solved by appending "nomsi".  Do you believe
> there might be a relation to the NCQ problems on my first (Nforce)
> machine?

It's more likely your chipset just has busted MSI support.  Please post
the result of 'lspci -tv' and 'lspci -nn'.

Thanks.

-- 
tejun
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