[Bug 1050774] Re: os-prober misparses GRUB 2.00 configuration, leading to arbitrarily-long grub.cfg output lines

[dino99]

Well i've tested the following:
- latest grub2.0 on 2 quantal: ubuntu & lubuntu i386
- also added from your grub ppa on 2 precise i386: but got on both an issue with apport, need either to refuse the grub2.0 upgrading due to apport removal, or accept the upgrading but then apport cant be reinstalled.
- as i prefer to avoid the possible os-prober version issue, all 4 installs now have grub2.0

In such case, grub boot smootly, excepting the common black screen before getting the menu (mainly 3 seconds).
So i hope either for a grub2.0 backport to Precise or an updated grub2.0 version into the ppa, to be synced with quantal grub version.

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Title:
  os-prober misparses GRUB 2.00 configuration, leading to arbitrarily-
  long grub.cfg output lines

Status in “grub2” package in Ubuntu:
  Triaged
Status in “os-prober” package in Ubuntu:
  Fix Released

Bug description:
  Lubuntu Quantal i386

  Yesterday i've tested grub 2.0 fromm the cjwatson ppa without issue.
  Then i've ran vbeinfo on next boot to fill custom values :
  GRUB_GFXMODE=1024x768,800x600

   Today the new 2.00-3ubuntu1 is upgraded and get that problem. Note
  that ubuntu quantal i386 have been previously upgraded with this
  latest grub 2.0 without that issue.

  ProblemType: Crash
  DistroRelease: Ubuntu 12.10
  Package: grub-common 2.00-3ubuntu1
  Uname: Linux 3.6.0-030600rc5-generic i686
  NonfreeKernelModules: nvidia
  ApportVersion: 2.5.1-0ubuntu7
  Architecture: i386
  AssertionMessage: *** glibc detected *** /usr/bin/grub-script-check: double free or corruption (!prev): 0x08210b38 ***
  Date: Fri Sep 14 09:06:51 2012
  ExecutablePath: /usr/bin/grub-script-check
  ProcCmdline: /usr/bin/grub-script-check /boot/grub/grub.cfg.new
  Signal: 6
  SourcePackage: grub2
  StacktraceTop:
   __libc_message (do_abort=2, fmt=0xb77271dc "*** glibc detected *** %s: %s: 0x%s ***\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:201
   malloc_printerr (action=<optimized out>, str=<optimized out>, ptr=0x8210b38) at malloc.c:5007
   ?? ()
   ?? ()
   ?? ()
  Title: grub-script-check assert failure: *** glibc detected *** /usr/bin/grub-script-check: double free or corruption (!prev): 0x08210b38 ***
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:

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