linux-kernel - Re: No NCQ support on X61s Ultrabay? (Intel ICH8 SATA controller question)

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Message-ID: <49F90CA2.4080602@garzik.org>
Date:	Wed, 29 Apr 2009 22:27:46 -0400
From:	Jeff Garzik <jeff@...zik.org>
To:	Theodore Ts'o <tytso@....edu>
CC:	linux-kernel@...r.kernel.org,
	Matthew Wilcox <willy@...ux.intel.com>,
	Linux IDE mailing list <linux-ide@...r.kernel.org>
Subject: Re: No NCQ support on X61s Ultrabay?  (Intel ICH8 SATA controller
 question)

Theodore Ts'o wrote:

(you should cc linux-ide...)

> [ 4563.614247] ata4.00: 390721968 sectors, multi 16: LBA48 NCQ (depth 0/32)
>                                                                 ^^^^^^^

That generally means your disk is capable of NCQ, but your controller is 
not.

As Tejun noted, try switching to AHCI mode in BIOS.

	Jeff



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