[Bug 425447] [NEW] [Karmic Alpha 5] update-grub gets confused when a second hard drive is plug before running it

[Loïc Martin]

Public bug reported:

Binary package hint: grub2

Karmic Alpha 5 live CD install, with only one HD (WD 640Go, SATA)
connected on motherboard SATA1 port, Slave. The install doesn't pick up
other OSes (see Bug #425379) though.

After install, I plug a second HD (Samsung 1To, SATA) on motherboard
SATA0 port, Master. The HD with Karmic moves from /dev/sda to /dev/sdb,
the Samsung becomes /dev/sda.

Running update-grub now picks up the other OSes, but throws these errors:
> Generating grub.cfg ...
> Found linux image: /boot/vmlinuz-2.6.31-9-generic
> Found initrd image: /boot/initrd.img-2.6.31-9-generic
> grub-probe: error: Cannot find a GRUB drive for /dev/sdb5.  Check your device.map.
> 
> grub-probe: error: Cannot find a GRUB drive for /dev/sdb5.  Check your device.map.
> 
> Found memtest86+ image: /boot/memtest86+.bin
> Found Windows Vista (loader) on /dev/sda2
> Found Ubuntu 9.04 (9.04) on /dev/sdb2
> grub-probe: error: Cannot find a GRUB drive for /dev/sdb2.  Check your device.map.
> 
> Found Microsoft Windows XP Professional on /dev/sdb3
> grub-probe: error: Cannot find a GRUB drive for /dev/sdb3.  Check your device.map.
> 
> Found Ubuntu 8.10 (8.10) on /dev/sdb6

/boot/grub/device.map has:
(hd0)	/dev/sda

grub.cfg after running update-grub is attached to the bug report, the
original configuration at install can be found on Bug #425379

Problem: only Karmic on /dev/sdb5 (WD) and Windows 7 Beta (reported as Windows Vista) on /dev/sda2 (Samsung) can boot. For booting Jaunty, grub2 reports this error:
Error - you need to load the kernel first.

Booting XP doesn't work either.

** Affects: grub2 (Ubuntu)
     Importance: Undecided
         Status: New

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[Karmic Alpha 5] update-grub gets confused when a second hard drive is plug before running it
https://bugs.launchpad.net/bugs/425447
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