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Date:      Wed, 18 Mar 1998 11:13:48 +0000 (GMT)
From:      Scot Elliott <scot@poptart.org>
To:        stable@FreeBSD.ORG
Subject:   Re: strange message about root device at boot
Message-ID:  <Pine.BSF.3.96.980318111253.437A-100000@Jupiter.internal.planet-three.com>
In-Reply-To: <350F9DDC.FB91603@we.lc.ehu.es>

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I keep getting this too, but on a machine with IDE.  The slice numbers
don't make sense.


Scot.

On Wed, 18 Mar 1998, Jose M. Alcaide wrote:

> I have just cvsup'd 2.2.6-BETA (3-17-98). After making the world
> and the new kernel, I rebooted the system verbosely, and I
> saw the following messages:
> 
>  ahc0: target 0 using 16Bit transfers
>  ahc0: target 0 synchronous at 20.0MHz, offset = 0x8
>  ahc0: target 0 Tagged Queuing Device
>  (ahc0:0:0): "SEAGATE ST32171W 0484" type 0 fixed SCSI 2
>  sd0(ahc0:0:0): Direct-Access 2047MB (4194057 512 byte sectors)
>  sd0(ahc0:0:0): with 5172 cyls, 5 heads, and an average 162 sectors/track
>            ...... blah, blah, blah .......
>  BIOS Geometries:
>   0:0104fe3f 0..260=261 cylinders, 0..254=255 heads, 1..63=63 sectors
>   0 accounted for
>  Device configuration finished.
>  Considering FFS root f/s.
>  changing root device to sd0s2a   <<================ !!!!!!!!!!!!!!!
>  configure() finished.
>  bpf: lo0 attached
>  sd0s1: type 0xa5, start 0, end = 4194056, size 4194057 
>  sd0s1: C/H/S end 261/17/21 (99035) != end 4194056: invalid
> 
> The disk has only one slice, and was partitioned by sysinstall
> the first time I installed FreeBSD (2.2.1) on that machine.
> The SCSI BIOS (Adaptec) has the "DOS traslation" enabled; this
> explains the geometry of the disk (255 heads...) reported by the BIOS.
> But the message that surprises me is "changing root device to
> sd0s2a". There is no second partition !!!! I have confirmed this
> using the fdisk command.
> 


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