Re: Ubuntu Upgrade from 11.10. to 12.04



On 03/05/12 18:42, Chris Green wrote:
On Thu, May 03, 2012 at 06:29:55PM +0100, Peter Hillier-Brook wrote:
That's even stranger. How could it have modified BIOS? And more
importantly, WHAT did it modify?

How it did it is simple enough, probably via assembler and a BIOS
call, and what it did was change the boot order of my SATA disks. To
be precise, it moved the disk with Ubuntu aboard (/dev/sdb) to the
top of the pile. I normally boot via /dev/sdc which contains my
work-a-day Kubuntu system and I get to Ubuntu (and Windows 7 on
/dev/sda) when necessary via grub.

The boot order can surely be altered by lots of things other than the
BIOS can't it?


The boot order, as stored in the BIOS, was altered *during* the distribution upgrade. Cause and effect seem fairly simple to deduce. ;-)

Peter HB

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