[Bug 1061255] Re: GRUB recognizes defunct LDM headers
Ronni
ronni.jensen at gmail.com
Sun Dec 2 08:54:02 UTC 2012
I finally got it booting into Windows, but I had to edit grub.cfg to get
it booting.
I tried zeroing the last sector (it did indeed have an LDM header) but
no luck.
Edited grub.cfg http://paste.ubuntu.com/1404094/
Parted print http://paste.ubuntu.com/1404097/
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https://bugs.launchpad.net/bugs/1061255
Title:
GRUB recognizes defunct LDM headers
Status in “grub2” package in Ubuntu:
In Progress
Status in “grub2” source package in Quantal:
New
Bug description:
GRUB recognizes stale LDM headers left on the disk after reformatting
without LDM. This causes grub to complain either that embedding is
not possible, and/or to incorrectly use the ldm partition module
instead of msdos.
- This bug affect GRUB2.00 (default bootloader of Ubuntu12.10).
- This bug completely breaks access to any operating system, either when installing a fresh 12.10, or when upgrading from 12.04 to 12.10.
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WORKAROUND1 (when GRUB appears, but the Windows entry fails and shows a "A disk Error Occurred" error):
see Comment #44 below ( https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1061255/comments/44 )
WORKAROUND2:
see Comment #26 below ( https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1061255/comments/26 )
WORKAROUND3:
Use Boot-Repair ( https://help.ubuntu.com/community/Boot-Repair ) from liveCD to replace GRUB2 by GRUB Legacy: run Boot-Repair --> Advanced options --> GRUB options tab --> tick "GRUB Legacy" --> Apply
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