Bug 807349 - BIOS boot partition should not be used with combined GPT and EFI
BIOS boot partition should not be used with combined GPT and EFI
Product: Fedora
Classification: Fedora
Component: anaconda (Show other bugs)
x86_64 Linux
unspecified Severity unspecified
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Assigned To: Anaconda Maintenance Team
Fedora Extras Quality Assurance
Depends On:
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Reported: 2012-03-27 11:06 EDT by John Reiser
Modified: 2013-05-07 19:08 EDT (History)
4 users (show)

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Doc Type: Bug Fix
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Last Closed: 2013-05-07 19:08:23 EDT
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Description John Reiser 2012-03-27 11:06:08 EDT
Description of problem: The BIOS boot partition (code EF02) should not be created nor used (for grub2 image) when booting with combined GPT and (U)EFI.  Instead, the file /EFI/redhat/grub.efi on the EFI System Partition contains everything that is needed.  Creating a BIOS boot partition wastes 1 of the 15 available partitions.  (15 partitions is a limitation of Linux, not the GPT.)

Version-Release number of selected component (if applicable):

How reproducible: every time

Steps to Reproduce:
1. During install, then partition a GPT disk on a (U)EFI box.
Actual results: The installer demands (and creates if necessary) a BIOS boot partition, code EF02 (revealed by gdisk), size 1 MiB, and puts an image of grub2 on it, and uses that image for booting.

Expected results: Do not demand or create a BIOS boot partition.  Instead use the /EFI/redhat/grub.efi on the EFI System Partition (code EF00).

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