>From what I can gather, this occurs when GRUB2 in Ubuntu 9.10 has to read
across 2 drives.  GRUB2 seems to be rather buggy.

I have found that GRUB2 is intolerably slow when reading across 2 hard
drives.

You may find a solution if you do a clean install of 9.10 - although I
cannot promise that.

I have abandoned 9.10 (except in VirtualBox and in the Netbook Remix for the
Eee PCs).

There is plenty about this on the net.

Andre




2009/12/14 Paul Gear <p...@libertysys.com.au>

>  Chris Taylor wrote:
>
> On Mon, 14 Dec 2009 12:58:55 +1000, Paul Gear wrote:
>
>
>
>  Chris Taylor wrote:
>
>
>  I get this message now and again when I start my computer "Error 18
> Selected cylinders exceeds maximum supported by BIOS. can anyone help
>
>
>     If it only happens intermittently, you may have a hardware problem which
> causes the hard disk to report the wrong number of cylinders.
>
>
>
>  Thanks for your input Paul
> This only started to happen after doing a online upgrade to 9.10 from
> 9.04.
>
> Was thinking of doing clean install with 9.10 any thoughts?
>
>  My knowledge on this is not comprehensive, but would expect a clean
> install to have no effect.  Perhaps a grub reinstall might help, but i doubt
> that even.
>
> Most likely it is something to do with your hardware or BIOS settings.  Did
> you change your SATA settings?  Some BIOSes allow selection of EHCI or ATA
> emulation, and one might work better than the other for you.
>
> Paul
>
>
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