It's a rule for all our drivers not just for linux, also if we put the Maxtor drive to the blacklist so that its NCQ function won't be enable for all controllers of other vendors,but we don't have the strong evidence that those Maxtor HDDs are also broken for other controllers.
BRs
Peer Chen
-----Original Message-----
From: Zoltan Boszormenyi [mailto:[email protected]]
Sent: Saturday, July 07, 2007 3:33 PM
To: kuan luo
Cc: [email protected]; [email protected]; [email protected]; [email protected]; [email protected]; Peer Chen; Kuan Luo
Subject: Re: [PATCH] ata: Add the SW NCQ support to sata_nv for MCP51/MCP55/MCP61
kuan luo írta:
> From: Kuan Luo <[email protected]>
>
> Add the Software NCQ support to sata_nv.c for MCP51/MCP55/MCP61 SATA
> controller. NCQ function is disable by default, you can enable it
> with 'swncq=1'. NCQ will be turned off if the drive is Maxtor on MCP51
> or
> MCP55 rev 0xa2 platform.
>
> Signed-off-by: Kuan Luo <[email protected]>
> Signed-off-by: Peer Chen <[email protected]>
> ---
Thanks, I am using it on 2.6.22-rc7-git5, have run a stress test yesterday night.
It seems to be as stable as the previous version. I guess it's safe to turn it on by default when it gets into Linus' kernels.
I have a question though. Why is the blanket needed for Maxtor drives?
Can't it be narrowed down to certain models? Maybe those models should be put into libata blacklist...
Not that my current machine is affected, I am just curious.
Best regards,
Zoltán Böszörményi
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