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

From: Tejun Heo
Date: Wed Apr 18 2007 - 03:57:19 EST


Max Kellermann wrote:
> On 2007/04/18 08:26, Tejun Heo <htejun@xxxxxxxxx> 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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