linux-kernel - Re: s2ram still broken with CONFIG_NO

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Message-Id: <1173779611.13173.8.camel@localhost>
Date:	Tue, 13 Mar 2007 10:53:31 +0100
From:	Soeren Sonnenburg <kernel@....de>
To:	Tejun Heo <htejun@...il.com>
Cc:	Linux Kernel <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Adrian Bunk <bunk@...sta.de>,
	Michal Piotrowski <michal.k.k.piotrowski@...il.com>,
	Emil Karlson <jkarlson@...hut.fi>,
	"Michael S\. Tsirkin" <mst@...lanox.co.il>,
	Len Brown <lenb@...nel.org>
Subject: Re: s2ram still broken with CONFIG_NO_HZ / HPET (macbook pro)

On Mon, 2007-03-12 at 19:59 +0900, Tejun Heo wrote:
> Soeren Sonnenburg wrote:
> > Elsewise I still see the
> > 
> > ATA: abnormal status 0x80 on port 0x000140df
> > ATA: abnormal status 0x80 on port 0x000140df
> > ata1.00: configured for UDMA/33
> > ata3.01: revalidation failed (errno=-2)
> > ata3: failed to recover some devices, retrying in 5 secs
> > ATA: abnormal status 0x7F on port 0x000140df
> > ATA: abnormal status 0x7F on port 0x000140df
> > ata3.01: configured for UDMA/133
> 
> I can't tell much about HPET timer, only the ATA messages.
> 
> Abnormal messages can be ignored.  Hmmm... revalidation failed without
> explaining why.  Can you apply the attached patch and see whether the
> added message gets printed?

Well it is there:

ATA: abnormal status 0x80 on port 0x000140df
ata1.00: configured for UDMA/33
ata3.01: NODEV after polling detection
ata3.01: revalidation failed (errno=-2)
ata3: failed to recover some devices, retrying in 5 secs
ATA: abnormal status 0x7F on port 0x000140df
ATA: abnormal status 0x7F on port 0x000140df
ata3.01: configured for UDMA/133
SCSI device sda: 234441648 512-byte hdwr sectors (120034 MB)
sda: Write Protect is off
sda: Mode Sense: 00 3a 00 00
SCSI device sda: write cache: enabled, read cache: enabled, doesn't
support DPO or FUA

just FYI a macbook pro has a sata disc + a dvd drive registered
as /dev/sda and /dev/scd0 driven by ata_piix:

dmesg | grep ata_piix 
ata_piix 0000:00:1f.1: version 2.10ac1
scsi0 : ata_piix
scsi1 : ata_piix
ata_piix 0000:00:1f.2: MAP [ P0 P2 XX XX ]
ata_piix 0000:00:1f.2: invalid MAP value 0
scsi2 : ata_piix
scsi3 : ata_piix

Soeren
-- 
Sometimes, there's a moment as you're waking, when you become aware of
the real world around you, but you're still dreaming.
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