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Bug 209841

Summary:	kernel-xen-2.6.18-1.2726 cannot reboot
Product:	Red Hat Enterprise Linux 5	Reporter:	Stephen Tweedie <sct>
Component:	kernel	Assignee:	Xen Maintainance List <xen-maint>
Status:	CLOSED CURRENTRELEASE	QA Contact:	Brian Brock <bbrock>
Severity:	medium	Docs Contact:
Priority:	medium
Version:	5.0	CC:	bstein, dzickus, quintela, riel
Target Milestone:	---
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	beta2	Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2006-12-23 01:09:52 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:
Bug Depends On:	209315
Bug Blocks:

Description Stephen Tweedie 2006-10-06 21:28:56 UTC

+++ This bug was initially created as a clone of Bug #209315 +++

Description of problem:
kernel-xen-2.6.18-1.2726 cannot reboot: it results in an infinite series of
kernel oopses if you try.

Version-Release number of selected component (if applicable):
kernel-xen-2.6.18-1.2726

How reproducible:
100%

Steps to Reproduce:
1. boot
2. reboot
  
Actual results:
Watch the console fill with hypervisor oopses

Expected results:
reboots.

-- Additional comment from sct on 2006-10-04 11:54 EST --
Created an attachment (id=137749)
Sample console output showing a couple of iterations of the panic.


-- Additional comment from sct on 2006-10-04 11:57 EST --
Should be fixed in xen-unstable cset 11691


-- Additional comment from sct on 2006-10-04 12:06 EST --
Fix confirmed.

Comment 1 Stephen Tweedie 2006-10-06 21:31:46 UTC

This was a recent regression in the rawhide Xen HV just before RHEL-5's version;
the fix is from upstream xen-unstable and is needed to allow Xen boxes to reboot.

kernel/devel:
PatchSet 4041
Date: 2006/10/04 18:45:00
Author: sct
Branch: HEAD
Tag: (none)
Log:
Fix for oops on reboot of xen dom0 (bug 209315)

Members:
        kernel-2.6.spec:1.2737->1.2738
        xen-dom0-reboot.patch:INITIAL->1.1

Comment 2 Don Zickus 2006-10-09 22:04:03 UTC

in kernel-2.6.18-1.2718.el5

Comment 3 RHEL Program Management 2006-10-09 22:32:40 UTC

This request was evaluated by Red Hat Product Management for inclusion in a Red
Hat Enterprise Linux maintenance release.  Product Management has requested
further review of this request by Red Hat Engineering, for potential
inclusion in a Red Hat Enterprise Linux Update release for currently deployed
products.  This request is not yet committed for inclusion in an Update
release.

Comment 4 RHEL Program Management 2006-12-23 01:09:52 UTC

A package has been built which should help the problem described in 
this bug report. This report is therefore being closed with a resolution 
of CURRENTRELEASE. You may reopen this bug report if the solution does 
not work for you.