Bug 852692

Summary:	[Hyper-V pv drivers] moprobe hv_vmbus on non-Hyper-V(kvm/xen) guest with 5 secs delay
Product:	Red Hat Enterprise Linux 5	Reporter:	Bian Jinwei <jbian>
Component:	kernel	Assignee:	jason wang <jasowang>
Status:	CLOSED ERRATA	QA Contact:	Virtualization Bugs <virt-bugs>
Severity:	medium	Docs Contact:
Priority:	medium
Version:	5.9	CC:	jasowang, leiwang, qguan, rhod, shwang
Target Milestone:	rc
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:	kernel-2.6.18-340.el5	Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2013-01-08 04:42:38 UTC	Type:	Bug
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:
Bug Blocks:	849548

Description Bian Jinwei 2012-08-29 10:30:13 UTC

Description of problem:
Install the rhel5.9 with kernel2.6.18-338el5 on the xen/kvm guest,login the rhel5.9 on the xen/kvm platform,execute the command"time modprobe hv_vmbus",then remind you"Init_module call returns -1 with errno 110 - ETIMEDOUT"about 5 secs (real 0m5.013s) delayed.

Version-Release number of selected component (if applicable):
KVM Host: RHEL6.3 release
(Xen host:RHEL5.9 kernel-xen-2.6.18-338.el5)
Guest: RHEL5.9 2.6.18-338.el5

How reproducible:
100%

Steps to Reproduce:
1.Install the xen/kvm guest rhel5.9 with kernel2.6.18-338el5
2.login the guest terminal to execute the command
  # time modprobe hv_vmbus

Actual results:
when you execute the command,the tips:
Init_module call returns -1 with errno 110 - ETIMEDOUT about 5 secs (real 0m5.013s) delayed

Expected results:
when you execute the command,the tips:
"FATAL: Error inserting hv_vmbus(/lib/modules/2.6.18-338.el5/kernel/drivers/hv/hv_vmbus.ko): No such device"with 0.2s(the number just as reference,within 1s delay is ok) s delayed

Additional info:
The problem on physical hypervisor already fixed in bug 849548.

Comment 2 RHEL Program Management 2012-08-30 10:08:35 UTC

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

Comment 11 Phillip Lougher 2012-09-24 18:15:42 UTC

Patch(es) available in kernel-2.6.18-340.el5
You can download this test kernel (or newer) from http://people.redhat.com/plougher/el5/
Detailed testing feedback is always welcomed.
If you require guidance regarding testing, please ask the bug assignee.

Comment 15 errata-xmlrpc 2013-01-08 04:42:38 UTC

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

http://rhn.redhat.com/errata/RHBA-2013-0006.html