Bug 644038 – avoid crashes: backport hold mm->page_table_lock patch [rhel-6.0.z]

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Bug 644038 - avoid crashes: backport hold mm->page_table_lock patch [rhel-6.0.z]

Summary:	avoid crashes: backport hold mm->page_table_lock patch [rhel-6.0.z]

Status:	CLOSED ERRATA

Aliases:	None

Product:	Red Hat Enterprise Linux 6
Classification:	Red Hat
Component:	kernel (Show other bugs)
Sub Component:
Version:	6.0
Hardware:	All Linux

Priority	urgent Severity high
Target Milestone:	rc
Target Release:	---
Assigned To:	Frantisek Hrbata
QA Contact:	Zhouping Liu
Docs Contact:

URL:
Whiteboard:
Keywords:	ZStream

Depends On:	643371
Blocks:
	Show dependency tree / graph

Reported:	2010-10-18 15:12 EDT by Benjamin Kahn
Modified:	2014-01-12 19:01 EST (History)
CC List:	11 users (show)

See Also:
Fixed In Version:	kernel-2.6.32-71.5.1.el6
Doc Type:	Bug Fix
Doc Text:	A race condition occurred when Xen was presented with an inconsistent page type resulting in the crash of the kernel. With this update, the race condition is prevented and kernel crashes no longer occur.
Story Points:	---
Clone Of:
Environment:
Last Closed:	2010-11-10 14:11:39 EST
Type:	---
Regression:	---
Mount Type:	---
Documentation:	---
CRM:
Verified Versions:
Category:	---
oVirt Team:	---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---

Attachments	(Terms of Use)
Add an attachment (proposed patch, testcase, etc.)

External Trackers
Tracker	ID	Priority	Status	Summary	Last Updated
Red Hat Product Errata	RHSA-2010:0842	normal	SHIPPED_LIVE	Important: kernel security and bug fix update	2010-11-22 14:34:20 EST

Groups: None (edit)

Description Benjamin Kahn 2010-10-18 15:12:26 EDT

This bug has been copied from bug #643371 and has been proposed
to be backported to 6.0 z-stream (EUS).

Comment 2 Frantisek Hrbata 2010-10-20 02:22:45 EDT

in 2.6.32-71.5.1.el6

Comment 8 errata-xmlrpc 2010-11-10 14:11:39 EST

An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on therefore solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.

http://rhn.redhat.com/errata/RHSA-2010-0842.html

Comment 9 Martin Prpič 2010-11-11 07:05:23 EST

    Technical note added. If any revisions are required, please edit the "Technical Notes" field
    accordingly. All revisions will be proofread by the Engineering Content Services team.
    
    New Contents:
A race condition occurred when Xen was presented with an inconsistent page type resulting in the crash of the kernel. With this update, the race condition is prevented and kernel crashes no longer occur.

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