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Date: Tue, 11 Mar 2008 08:48:58 +0100
From: Rink Springer <rink@freebsd.org>
To: Ian FREISLICH <ianf@clue.co.za>
Message-ID: <20080311074858.GB2327@rink.nu>
References: <20080310125117.GA74239@rink.nu> <E1JYiLA-0001jj-J3@clue.co.za>
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Cc: Rink Springer <rink@freebsd.org>, current@freebsd.org
Subject: Re: sysinstall: "Unable to create the partition. Too big?"
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On Mon, Mar 10, 2008 at 03:46:56PM +0200, Ian FREISLICH wrote:
> Rink Springer wrote:
> > Hi,
> > 
> > On Mon, Mar 10, 2008 at 02:44:26PM +0200, Ian FREISLICH wrote:
> > > Yet, sysinstall has the size as 1255914653 sectors.
> > 
> > Could you paste the output of 'sysctl -b kern.geom.conftxt' ?
> 
> 0 DISK aacd0 639830589440 512 hd 255 sc 63

This is very odd.. the big number in the above line is the size in
bytes (len), and the 512 is the number of bytes per sector (s). So, the
size in sectors is simply len / s = 639830589440 / 512 = 1249669120,
what the dmesg claims. This is the same as the calculation made by
sysinstall - look at lib/libdisk/open_disk.c:Int_Open_Disk().

I don't see any obvious overflow errors there... everything seems to use
daddr_t types, which are 64 bit (at least on i386), so that should not
be a problem.

Could you perhaps add debugging printf()'s to Int_Open_Disk() to try to
trace what is going on?

-- 
Rink P.W. Springer                                - http://rink.nu
"Anyway boys, this is America. Just because you get more votes doesn't
 mean you win." - Fox Mulder