Bug 82720

Summary:	existing chainloader corrupted by second install
Product:	[Retired] Red Hat Public Beta	Reporter:	John Mellor <john>
Component:	grub	Assignee:	Jeremy Katz <katzj>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	phoebe
Target Milestone:	---
Target Release:	---
Hardware:	athlon
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2003-01-25 16:37:27 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description John Mellor 2003-01-25 07:28:25 UTC

From Bugzilla Helper:
User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.2.1) Gecko/20030115

Description of problem:
The Grub chain loader for an existing partition was corrupted by installation of
the Phoebe beta, leaving the first system unusable.

Situation: Existing RedHat 8.0 athlon installed on hda, /boot on hda1, / on
hda2, and swap on hda3.

Action: Install RedHat 8.0.93 on hdb, / on hdb1 and no separate /boot partition.
 Use common swap partition, and both platforms in Grub on hda MBR.  RedHat 8.0
installation to be the default boot.

Result: After completing the above dual-boot setup, the chain loader for the
RedHat 8.0 installation is corrupt, and that system cannot be booted anymore.

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


How reproducible:
Didn't try

Steps to Reproduce:
1.per outline above


Actual Results:  The RedHat 8.0.93 system was the only one left bootable. 
Existing system chain loader corrupted, per the failed boot message.

Expected Results:  a fully functional dual-boot setup was expected.

Additional info:

Comment 1 Jeremy Katz 2003-01-25 16:37:27 UTC

To chainload, you have to have one of the copies of grub installed on a
partition, not both on the MBR.