Bug 637220 – [RHEL5 IA64 XEN] netfront driver: alloc_dev: Private data too big. [rhel-5.5.z]

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Bug 637220 - [RHEL5 IA64 XEN] netfront driver: alloc_dev: Private data too big. [rhel-5.5.z]

Summary:	[RHEL5 IA64 XEN] netfront driver: alloc_dev: Private data too big. [rhel-5.5.z]

Status:	CLOSED ERRATA

Aliases:	None

Product:	Red Hat Enterprise Linux 5
Classification:	Red Hat
Component:	kernel (Show other bugs)
Sub Component:
Version:	5.6
Hardware:	ia64 Linux

Priority	urgent Severity medium
Target Milestone:	rc
Target Release:	---
Assigned To:	Jiri Pirko
QA Contact:	Red Hat Kernel QE team
Docs Contact:

URL:
Whiteboard:
Keywords:	ZStream

Depends On:	630129
Blocks:
	Show dependency tree / graph

Reported:	2010-09-24 11:40 EDT by RHEL Product and Program Management
Modified:	2015-05-04 21:21 EDT (History)
CC List:	11 users (show)

See Also:
Fixed In Version:
Doc Type:	Bug Fix
Doc Text:	Recently applied patch introduced a bug, which caused the Xen guest networking not to work properly on 64-bit Itanium processors. However, this bug also revealed an issue, which may have led to a data corruption. With this update, both errors have been fixed, and Xen virtual guest networking now works as expected.
Story Points:	---
Clone Of:
Environment:
Last Closed:	2010-11-09 13:08:00 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-2010:0839	normal	SHIPPED_LIVE	Moderate: kernel security and bug fix update	2010-11-09 13:06:20 EST

Groups: None (edit)

Description RHEL Product and Program Management 2010-09-24 11:40:00 EDT

This bug has been copied from bug #630129 and has been proposed
to be backported to 5.5 z-stream (EUS).

Comment 2 Jiri Pirko 2010-09-30 09:20:10 EDT

in kernel 2.6.18-194.19.1.el5

linux-2.6-virt-xen-fix-xennet-driver-to-not-corrupt-data.patch

Comment 4 Lei Wang 2010-10-26 05:33:20 EDT

Verify this bug with kernel-xen-2.6.18-194.24.1.el5.ia64. 

Network connection worked as expected (ping,ssh,wget).

dmesg is without any 'Private data too big' message,details as below:

[root@localhost ~]# uname -a
Linux localhost.localdomain 2.6.18-194.24.1.el5xen #1 SMP Thu Oct 21 04:44:26 EDT 2010 ia64 ia64 ia64 GNU/Linux
[root@localhost ~]# dmesg |grep netfront
netfront: Initialising virtual ethernet driver.
netfront: device eth0 has flipping receive path.

So move bug status to VERIFIED.

Comment 6 errata-xmlrpc 2010-11-09 13:08:00 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-2010-0839.html

Comment 7 Martin Prpič 2010-11-11 09:04:20 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:
Recently applied patch introduced a bug, which caused the Xen guest networking not to work properly on 64-bit Itanium processors. However, this bug also revealed an issue, which may have led to a data corruption. With this update, both errors have been fixed, and Xen virtual guest networking now works as expected.

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