From: Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl>
To: Andries Brouwer <aebr@win.tue.nl>
Subject: Re: IDE disk information changed from 2.4 to 2.6
Date: Tue, 11 Nov 2003 19:29:08 +0100
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On Tuesday 11 of November 2003 12:53, Andries Brouwer wrote:
> On Wed, Nov 05, 2003 at 08:41:58PM +0100, Bartlomiej Zolnierkiewicz wrote:
> > In 2.6.x it doesn't even read BIOS info (which is wrong IMO, it should
> > do this but only as last resort - if partition can't be mounted).
>
> How can reading information that is not used by any kernel
> help in mounting a partition?

You are of course right, only ibm.c and nec98.c use HDIO_GETGEO.

> > Difference in CHS translation should matter only if you have some old DOS
> > partitions created using CHS information.  Then you can force geometry
> > using boot parameter "hd?=".  Unfortunately I've seen recently bugreport
> > when 2.4.20 (?) works and 2.6.x fails even with forced geometry.
>
> Fails? What do you mean?

Sorry, it was "hd.c instead of ide.c" problem.

> (Are you referring to the problem of finding the last cylinder?)

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