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

[Rolf Leggewie]

Is this still an issue in lucid or later?

** Changed in: grub2 (Ubuntu)
       Status: New => Incomplete

** Changed in: grub2 (Ubuntu)
     Assignee: (unassigned) => Rolf Leggewie (r0lf)

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

Status in “grub2” package in Ubuntu:
  Incomplete

Bug description:
  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.

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