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Date:      Sat, 7 Apr 2012 13:52:05 +0200
From:      Marius Strobl <marius@alchemy.franken.de>
To:        Daniel Braniss <danny@cs.huji.ac.il>
Cc:        freebsd-stable@freebsd.org
Subject:   Re: 8.3-PRERELEASE and ATA_CAM
Message-ID:  <20120407115205.GW93449@alchemy.franken.de>
In-Reply-To: <E1SGQSp-0003Lv-DK@kabab.cs.huji.ac.il>
References:  <E1SG3u1-000Ian-Te@kabab.cs.huji.ac.il> <20120406171644.GA9162@alchemy.franken.de> <E1SGQSp-0003Lv-DK@kabab.cs.huji.ac.il>

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On Sat, Apr 07, 2012 at 10:53:39AM +0300, Daniel Braniss wrote:
> > On Fri, Apr 06, 2012 at 10:48:13AM +0300, Daniel Braniss wrote:
> > > with the latest svn, I can't compile kernel with  options ATA_CAM:
> > > 
> > > ...
> > > linking kernel.debug
> > > ata-disk.o(.text+0x93): In function `ad_init':
> > > /r+d/stable/8.3/sys/dev/ata/ata-disk.c:389: undefined reference to 
> > > `ata_setmode'
> > > ata-disk.o(.text+0xaa):/r+d/stable/8.3/sys/dev/ata/ata-disk.c:397: undefined 
> > > reference to `ata_wc'
> > > ata-disk.o(.text+0xc5):/r+d/stable/8.3/sys/dev/ata/ata-disk.c:398: undefined 
> > > reference to `ata_controlcmd'
> > > ata-disk.o(.text+0x113):/r+d/stable/8.3/sys/dev/ata/ata-disk.c:400: undefined 
> > > reference to `ata_controlcmd'
> > > ata-disk.o(.text+0x133):/r+d/stable/8.3/sys/dev/ata/ata-disk.c:393: undefined 
> > > reference to `ata_controlcmd'
> > > ata-disk.o(.text+0x16d):/r+d/stable/8.3/sys/dev/ata/ata-disk.c:407: undefined 
> > > reference to `ata_controlcmd'
> > > ata-disk.o(.text+0x21a): In function `ad_shutdown':
> > > /r+d/stable/8.3/sys/dev/ata/ata-disk.c:196: undefined reference to 
> > > `ata_controlcmd'
> > > ata-disk.o(.text+0x45c): In function `ad_detach':
> > > /r+d/stable/8.3/sys/dev/ata/ata-disk.c:182: undefined reference to 
> > > `ata_fail_requests'
> > > ...
> > > 
> > 
> > You seem to be using a mutually exclusive set of ata(4) options and
> > devices (previously, this erroneously wasn't a bug). When including
> > options ATA_CAM you do _not_ want to also include any of the following
> > devices:
> > device		atapicam
> > device		atadisk
> > device		ataraid
> > device		atapicd
> > device		atapifd
> > device		atapist
> > 
> > Instead you need the corresponding driver from the following set:
> > device		scbus
> > device		ch
> > device		da
> > device		sa
> > device		cd
> > device		pass
> > 
> > Marius
> > 
> they are included by GENERIC, which i include, bummer.

It should work to include GENERIC but disable the "old" devices via
"nodevice atadisk" etc. in your custom kernel configuration file.

> what about ATA_STATIC_ID, I guess that is also a nono? 

No, ATA_STATIC_ID is still available with ATA_CAM, in this case it's
purpose is a bit different though; when present, it provides /dev/adX
symbolic links to the /dev/adaY device nodes, trying to mimic the
non-ATA_CAM numbering for /dev/adX. If you've already updated your
/etc/fstab etc. to use /dev/adaY instead, you don't need ATA_STATIC_ID
though.

Marius




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