Date: Thu, 31 May 2001 12:01:13 +0100 From: David Taylor <davidt@yadt.co.uk> To: Darian Lanx <content@openprojects.net> Cc: freebsd-stable@freebsd.org Subject: Re: Possible Install bug for the following hardware in FreeBSD Stable (4.3) Message-ID: <20010531120113.A26422@gattaca.yadt.co.uk> In-Reply-To: <200105301322.f4UDMlw03356@silence.sparrows.ici>; from content@openprojects.net on Wed, May 30, 2001 at 15:22:37 %2B0200 References: <200105301322.f4UDMlw03356@silence.sparrows.ici>
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[-- Attachment #1 --] On Wed, 30 May 2001, Darian Lanx wrote: > Hello list. > After debugging this with a few friends who are by far more experience din > freebsd than I am, I have been asked to report the following strange > behaviour to this list > > He asked me to be specific, so I am going to provide a much information as I > can. > The hardware used is as follows: > ASUS CUSL Motherboard > 2 Hard drives > On the primary Master a Maxtor 53073U6 30736 MB > ioctl (I am in linux) reports the following > geometry for it: > geometry = 3736/255/63, sectors = 60030432, start = 0 > > The second hard drive on the secondary Master channel is a IBM DTLA-307030 > also 30736 MB. ioctl reports the following geometry for this drive: > geometry = 3737/255/63, sectors = 60036480, start = 0 > > I have downloaded the 4.3 boot floppies from ftp.at.freebsd.org and then > booted my system. > After entering the installer friend told me to press scroll lock and scroll > up to see the actual output of the Kernel. > > The output for the drives reads as follows: > ad0 2014 MB <Maxtor 53073U6> [4092/16/63] at at-0-master UDMA66 I had this problem after I enabled the '4092-cylinder limit' jumper on my Maxtor drive, because my BIOS (at that point) hung with a drive over 4092 cylinders. I flashed the BIOS afterwards, but forgot about the jumper, because windows/linux both (somehow) saw the full geometry of the drive. FreeBSD only saw 2014MB until I removed the jumper. Perhaps your drive has a similar jumper? check the manual. > ad2 29314 MB <IBM DTLA-307030> [5956/16/63 at at-1-master UDMA100 29314 * 1024 * 1024 bytes (i.e. 2914 megabytes) == 30736 * 1000 * 1000 bytes (i.e. 2914 million bytes) Its something harddrive manufacturers do to make their drives look bigger... -- David Taylor davidt@yadt.co.uk [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.4 (FreeBSD) Comment: For info see http://www.gnupg.org iD8DBQE7FiR5fIqKXSsJ/xERAj0gAJ9vBX2EiZCKVQqHjEuxvb4bttrxAgCgvgJx n2muEJYDaLmNyLfM8369v0Q= =7D+a -----END PGP SIGNATURE-----
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