Bug 736682

Summary:	snapshot-create can not work
Product:	Red Hat Enterprise Linux 6	Reporter:	weizhang <weizhan>
Component:	libvirt	Assignee:	Eric Blake <eblake>
Status:	CLOSED ERRATA	QA Contact:	Virtualization Bugs <virt-bugs>
Severity:	high	Docs Contact:
Priority:	high
Version:	6.2	CC:	dyuan, eblake, gren, leiwang, mzhan, nzhang, rwu, syeghiay, veillard
Target Milestone:	rc	Keywords:	Regression
Target Release:	---
Hardware:	x86_64
OS:	Linux
Whiteboard:
Fixed In Version:	libvirt-0.9.4-11.el6	Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2011-12-06 11:28:44 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:	638510
Bug Blocks:	743047

Description weizhang 2011-09-08 12:23:40 UTC

Description of problem:
snapshot-create can not work
# virsh snapshot-create qcow2
error: argument unsupported: unable to handle disk requests in snapshot


Version-Release number of selected component (if applicable):
qemu-kvm-0.12.1.2-2.185.el6.x86_64
libvirt-0.9.4-10.el6.x86_64
kernel-2.6.32-193.el6.x86_64

How reproducible:
100%

Steps to Reproduce:
1. create a guest with qcow2 img
2. do # virsh snapshot-create qcow2
  
Actual results:
error: argument unsupported: unable to handle disk requests in snapshot

Expected results:
snapshot create successfully

Additional info:
snapshot-create can work well on libvirt-0.9.4-7, so it is a regression bug, it doesn't work since libvirt-0.9.4-8

Comment 1 Eric Blake 2011-09-08 12:40:33 UTC

I'm looking into it now.

Comment 2 Eric Blake 2011-09-08 13:19:14 UTC

Upstream patch: https://www.redhat.com/archives/libvir-list/2011-September/msg00395.html

Comment 4 Eric Blake 2011-09-08 14:45:22 UTC

In POST:
http://post-office.corp.redhat.com/archives/rhvirt-patches/2011-September/msg00300.html

Comment 6 weizhang 2011-09-09 02:53:23 UTC

verify pass on 
qemu-kvm-0.12.1.2-2.185.el6.x86_64
kernel-2.6.32-193.el6.x86_64
libvirt-0.9.4-11.el6.x86_64


# virsh snapshot-create foo 
Domain snapshot 1315536642 created

# virsh snapshot-list foo
 Name                 Creation Time             State
------------------------------------------------------------
 1315536642           2011-09-09 10:50:42 +0800 running

Comment 7 errata-xmlrpc 2011-12-06 11:28:44 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-2011-1513.html