[Bug 1007752] Re: Most recent grub update uses root=/dev/sdX for boot image, may fail to boot

Daniel Smedegaard Buus danielbuus at gmail.com
Wed Jun 6 07:31:31 UTC 2012


Yes, but it's the most recent boot. I won't be able to reboot before in
about four days (jobs running), but I can assure you nothing has changed
since then so it'll boot the same :)

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Title:
  Most recent grub update uses root=/dev/sdX for boot image, may fail to
  boot

Status in “grub2” package in Ubuntu:
  Incomplete

Bug description:
  Hello :)

  The recent update (today) of grub,
     grub-pc:amd64 (1.99-21ubuntu3, 1.99-21ubuntu3.1)
     grub-pc-bin:amd64 (1.99-21ubuntu3, 1.99-21ubuntu3.1)
     grub-common:amd64 (1.99-21ubuntu3, 1.99-21ubuntu3.1)
  killed my grub, apart from also looking strange (used to be gray background, and a nice logo splash when booting, now black background and just low-res text when booting).

  The BOOT_IMAGE command defined root as - in my case - /dev/sdq2, while
  at boot it would be /dev/sdb2. Also, this might not stay the same
  regardless, and as I understand it, this should point to either a
  partition UUID or perhaps /dev/disk/by-id/something-or-other?

  In any event, as it stands, all boot options ends with busybox and an
  initramfs prompt. Editing the grub command and fixing the root= to the
  right path before booting will send me normally into Kubuntu where I
  can (hopefully) fix the problem manually.

  Cheerio :)

  Daniel

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: xorg 1:7.6+12ubuntu1
  ProcVersionSignature: Ubuntu 3.0.0-17.30-generic 3.0.22
  Uname: Linux 3.0.0-17-generic x86_64
  NonfreeKernelModules: nvidia zfs zcommon znvpair zavl zunicode
  ApportVersion: 2.0.1-0ubuntu8
  Architecture: amd64
  Date: Sat Jun  2 10:44:50 2012
  InstallationMedia: Kubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120421.1)
  ProcEnviron:
   LANGUAGE=en_US:en
   TERM=xterm
   PATH=(custom, user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: xorg
  Symptom: display
  UpgradeStatus: No upgrade log present (probably fresh install)

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