linux-kernel - Re: libata acpi issue on gateway laptop

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Date:	Mon, 06 Sep 2010 21:46:10 +0200
From:	Tejun Heo <tj@...nel.org>
To:	Kyle McMartin <kyle@...artin.ca>
CC:	jgarzik@...hat.com, linux-ata@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: libata acpi issue on gateway laptop

On 09/06/2010 09:35 PM, Kyle McMartin wrote:
> Hi Jeff,
> 
> A user is reporting an issue with 2.6.34.6 on a Gateway laptop that
> booting with libata.noacpi=1 resolves.
> 
> Symptom is that their device dumps a lot of messages like this:
> 
> ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
> ata1.00: ACPI cmd 00/00:00:00:00:00:a0 (NOP) rejected by device
> (Stat=0x51 Err=0x04)
> ata1.00: ACPI cmd ef/10:01:00:00:00:a0 (SET FEATURES) succeeded
> ata1.00: ACPI cmd ef/10:02:00:00:00:a0 (SET FEATURES) succeeded
> ata1.00: ACPI cmd ef/10:03:00:00:00:a0 (SET FEATURES) filtered out
> ata1.00: ACPI cmd ef/10:04:00:00:00:a0 (SET FEATURES) succeeded
> ata1.00: ACPI cmd ef/10:05:00:00:00:a0 (SET FEATURES) rejected by device
> (Stat=0x51 Err=0x04)
> ata1.00: ATA-8: Hitachi HTS545050B9A300, PB4OC60F, max UDMA/133
> ata1.00: 976773168 sectors, multi 0: LBA48 NCQ (depth 31/32), AA
> ata1.00: ACPI cmd 00/00:00:00:00:00:a0 (NOP) rejected by device
> (Stat=0x51 Err=0x04)
> ata1.00: ACPI cmd ef/10:03:00:00:00:a0 (SET FEATURES) filtered out
> ata1.00: ACPI cmd ef/10:05:00:00:00:a0 (SET FEATURES) rejected by device
> (Stat=0x51 Err=0x04)
> ata1.00: configured for UDMA/133
> 
> on boot and resume from suspend.
> 
> Dmesg is at https://bugzilla.redhat.com/attachment.cgi?id=442529 and the
> full bug report at https://bugzilla.redhat.com/show_bug.cgi?id=629315.
> 
> Any ideas? They say the issue exists all the way back to 2.6.31, so it
> seems like a pretty long-lived bug.

These are debug/info messages.  Just ignore them.

-- 
tejun
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