Red Hat Bugzilla – Bug 844551
Installing an EFI system does not clear boot disk's pmbr_boot flag
Last modified: 2012-12-20 10:39:44 EST
Description of problem:
When installing on a non-EFI system, the pmbr_boot flag is set, regardless of whether or not autopart is used.
When installing an EFI system on a disk that has been previously used for a non-EFI install, the flag is not cleared (using autopart or not) and causes some EFI systems to skip over the EFI entry after the installation is complete.
Asus Sabretooth 990FX
Samsung 830 SSD
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Install a non-EFI system
2. Reuse the same boot disk for an EFI install
Some systems are not able to boot an EFI entry on a disk with the pmbr_boot flag set
The pmbr_boot flag should be cleared so that there are no potential issues with booting the installed system.
The pmbr_boot flag can be easily cleared with parted.
anaconda-18.22-1.fc18 has been submitted as an update for Fedora 18.
* should fix your issue,
* was pushed to the Fedora 18 testing repository,
* should be available at your local mirror within two days.
Update it with:
# su -c 'yum update --enablerepo=updates-testing anaconda-18.22-1.fc18'
as soon as you are able to.
Please go to the following url:
then log in and leave karma (feedback).
anaconda-18.23-1.fc18 has been submitted as an update for Fedora 18.
anaconda-18.24-1.fc18 has been submitted as an update for Fedora 18.
anaconda-18.25-1.fc18 has been submitted as an update for Fedora 18.
anaconda-18.26-1.fc18 has been submitted as an update for Fedora 18.
anaconda-18.23-1.fc18 has been pushed to the Fedora 18 obsolete repository. If problems still persist, please make note of it in this bug report.