[Bug 944860] Re: update-grub reports grep error 'input file ... is also the output'

Rocko rockorequin at hotmail.com
Fri Mar 2 14:46:33 UTC 2012


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Title:
  update-grub reports grep error 'input file ... is also the output'

Status in “grub2” package in Ubuntu:
  New

Bug description:
  I upgraded from oneiric to precise after backing up my oneiric
  partition to /dev/sda5, and when I run update-grub I get this error:

  Generating grub.cfg ...
  Found linux image: /boot/vmlinuz-3.3.0-rc5-git-20120226.0832
  Found initrd image: /boot/initrd.img-3.3.0-rc5-git-20120226.0832
  Found linux image: /boot/vmlinuz-3.2.9-generic
  Found initrd image: /boot/initrd.img-3.2.9-generic
  Found linux image: /boot/vmlinuz-3.2.0-17-generic
  Found initrd image: /boot/initrd.img-3.2.0-17-generic
  Found linux image: /boot/vmlinuz-3.0.0-16-generic
  Found initrd image: /boot/initrd.img-3.0.0-16-generic
  Found memtest86+ image: /boot/memtest86+.bin
  Found Ubuntu 11.10 (11.10) on /dev/sda5
  grep: input file U+2018/boot/grub/grub.cfg.newU+2019 is also the output

  The resulting grub.cfg file has this entry:

  ### BEGIN /etc/grub.d/30_os-prober ###
  menuentry "Debian, with Linux 3.3.0-rc5-git-20120226.0832 (on /dev/sda5)" --class gnu-linux --class gnu --class os {
  	insmod part_msdos
  	insmod ext2
  	set root='(hd0,msdos5)'
  	search --no-floppy --fs-uuid --set=root 193832bf-63d7-4129-99f5-3ca3e1daa470
  	linux /boot/vmlinuz-3.3.0-rc5-git-20120226.0832 root=UUID=67083065-b92e-4596-a218-817c1dfc8ae7 ro i915.i915_enable_rc6=1 quiet splash vt.handoff=7
  	initrd /boot/initrd.img-3.3.0-rc5-git-20120226.0832
  }

  
  ie grub has detected the oneiric backup partition, but failed to update the grub.cfg file correctly (the uuid for the 'search' is the correct uuid for this partition, but the uuid for the 'linux' entry is wrong).

  Trying to boot from the oneiric partition of course then fails because
  it looks for the wrong partition.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: grub-pc 1.99-14ubuntu2
  Uname: Linux 3.3.0-rc5-git-20120226.0832 x86_64
  ApportVersion: 1.93-0ubuntu2
  Architecture: amd64
  Date: Fri Mar  2 22:41:45 2012
  EcryptfsInUse: Yes
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
  ProcEnviron:
   LANGUAGE=en_AU:en
   TERM=xterm
   LANG=en_AU.UTF-8
   SHELL=/bin/bash
  SourcePackage: grub2
  UpgradeStatus: Upgraded to precise on 2012-03-02 (0 days ago)

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