Bug 244085 - FreeBSD 12.1 install installs corrupted MBR
Summary: FreeBSD 12.1 install installs corrupted MBR
Status: New
Alias: None
Product: Base System
Classification: Unclassified
Component: bin (show other bugs)
Version: 12.1-RELEASE
Hardware: amd64 Any
: --- Affects Many People
Assignee: freebsd-sysinstall (Nobody)
Depends on:
Reported: 2020-02-13 00:38 UTC by John C. Archambeau
Modified: 2020-02-13 10:03 UTC (History)
0 users

See Also:


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Description John C. Archambeau 2020-02-13 00:38:48 UTC
This issue manifests itself regardless of drive or hardware.  It's been consistent on both of my HP Microserver G7 N54Ls and my Lenovo Thinkserver TS430 under FreeBSD 12.1-RELEASE. 

1. Install FreeBSD.
2. Reboot.

Machine either hands at booting or boots to a boot error.


1. Boot FreeDOS
2. fdisk <drive number> /mbr
3. Reboot.