Public bug reported: New, clean install of x86 11.10 Desktop from CD with network upgrade.
After install, grub will not launch Windows, although Windows launches with BIOS boot disk selection. Verified UUID correct... root@...:~# blkid /dev/sda1: TYPE="swap" /dev/sda2: LABEL="SATA2_01__D" UUID="23181E9787F9E1A6" TYPE="ntfs" /dev/sda3: LABEL="DRIVE_W" UUID="D71A-96E7" TYPE="vfat" /dev/sdc1: LABEL="SATA_01_Csys_10k" UUID="6258C1DF8F242D86" TYPE="ntfs" /dev/sdd1: LABEL="SATA_01_D_10k" UUID="6947F57DE005AA85" TYPE="ntfs" /dev/sdd5: LABEL="SATA2_01_E" UUID="4BC2AEB11E651F37" TYPE="ntfs" /dev/sdd6: LABEL="SATA2_01_D_BU_101222" UUID="2D2D0850B3A6BE7B" TYPE="ntfs" /dev/sdb1: LABEL="SATA2_02_L" UUID="EF0625F841CA9127" TYPE="ntfs" /dev/sde3: UUID="c713bb8e-f6d3-4269-935e-c9c86804f0a8" TYPE="ext4" /dev/sde5: LABEL="IDE_01_G" UUID="1989E973D755FDC1" TYPE="ntfs" /dev/sde6: UUID="15efbdad-ec18-43a9-bd80-6053c13624a7" TYPE="swap" /dev/sde7: UUID="5c7f6d42-ad53-4a4a-befc-48e2d1594c31" TYPE="ext4" /dev/sde8: UUID="bfc3f076-462c-4c16-8bd2-509b51ba0e01" TYPE="swap" /dev/sdf1: LABEL="IDE_02_H" UUID="34709ADA709AA262" TYPE="ntfs" from /boot/grub/grub.cfg ### BEGIN /etc/grub.d/30_os-prober ### menuentry "Microsoft Windows XP Professional (on /dev/sdc1)" --class windows --$ savedefault insmod part_msdos insmod ntfs set root='(hd2,msdos1)' search --no-floppy --fs-uuid --set=root 6258C1DF8F242D86 drivemap -s (hd0) ${root} chainloader +1 } ### END /etc/grub.d/30_os-prober ### tried the workaround @ http://sourceforge.net/apps/mediawiki/bootinfoscript/index.php?title=Boot_Problems:search Commenting out three lines in /usr/lib/grub/grub-mkconfig_lib (Step 4) This bricked grub2, booting 11.10 gets "error: no such partition" and booting Windows gets: "error: invalid signature" Undoing the changes (using chroot and the LiveCD) and rerunnin update- grub restored the original grub boot process. ProblemType: Bug DistroRelease: Ubuntu 11.10 Package: grub-pc 1.99-12ubuntu5 ProcVersionSignature: Ubuntu 3.0.0-13.22-generic 3.0.6 Uname: Linux 3.0.0-13-generic i686 NonfreeKernelModules: fglrx ApportVersion: 1.23-0ubuntu4 Architecture: i386 Date: Fri Nov 25 11:48:42 2011 InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012) SourcePackage: grub2 UpgradeStatus: No upgrade log present (probably fresh install) ** Affects: grub2 (Ubuntu) Importance: Undecided Status: New ** Tags: apport-bug i386 oneiric -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/896391 Title: grub fails to launch windows, UUID not found, workaround bricks system To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/896391/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs