linux-kernel - Re: 2.6.29-rc2: thinkpad dock -- cdrom vs. s2ram

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Message-ID: <20090119221508.GA2576@elf.ucw.cz>
Date:	Mon, 19 Jan 2009 23:15:08 +0100
From:	Pavel Machek <pavel@...e.cz>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	kernel list <linux-kernel@...r.kernel.org>, teheo@...ell.com,
	trenn@...e.de, Bartlomiej Zolnierkiewicz <bzolnier@...il.com>,
	linux-ide@...r.kernel.org
Subject: Re: 2.6.29-rc2: thinkpad dock -- cdrom vs. s2ram

On Mon 2009-01-19 21:50:58, Rafael J. Wysocki wrote:
> On Monday 19 January 2009, Pavel Machek wrote:
> > Hi!
> > 
> > In 2.6.29 (and probably earlier) kernels, booting in docking station
> > results in undocked s2ram failing.
> > 
> > Problem seems to be that hda (cdrom in dock) is not deregistered
> > during undock, and that hda driver loops spitting error messages at
> > 'too-fast-to-read' rate when suspend with missing hda is attempted.
> 
> What driver do you mean exactly?  Old-IDE I would guess.
> 
> Does this also happen with a PATA/libata driver?

I guess I'm confused. I tried:

--- config.ok	2009-01-19 11:40:42.000000000 +0100
+++ ../b-linux/.config	2009-01-19 22:45:03.000000000 +0100
@@ -1022,7 +1022,7 @@
 # CONFIG_SATA_SIL24 is not set
 CONFIG_ATA_SFF=y
 CONFIG_SATA_SVW=y
-CONFIG_ATA_PIIX=y
+# CONFIG_ATA_PIIX is not set
 # CONFIG_SATA_MV is not set
 # CONFIG_SATA_NV is not set
 # CONFIG_PDC_ADMA is not set
@@ -1058,8 +1058,8 @@
 # CONFIG_PATA_JMICRON is not set
 # CONFIG_PATA_TRIFLEX is not set
 # CONFIG_PATA_MARVELL is not set
-# CONFIG_PATA_MPIIX is not set
-# CONFIG_PATA_OLDPIIX is not set
+CONFIG_PATA_MPIIX=y
+CONFIG_PATA_OLDPIIX=y
 # CONFIG_PATA_NETCELL is not set
 # CONFIG_PATA_NINJA32 is not set
 # CONFIG_PATA_NS87410 is not set

...but cdrom is still detected as hda.
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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