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Bug 647447 - QMP: provide a hmp_passthrough command to allow execution of non-converted commands
QMP: provide a hmp_passthrough command to allow execution of non-converted c...
Status: CLOSED ERRATA
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: qemu-kvm (Show other bugs)
6.1
All Linux
urgent Severity urgent
: rc
: 6.1
Assigned To: Luiz Capitulino
Virtualization Bugs
:
: 644819 (view as bug list)
Depends On:
Blocks: 559201 580487 Rhel6KvmTier1 589076
  Show dependency tree / graph
 
Reported: 2010-10-28 08:12 EDT by Luiz Capitulino
Modified: 2013-01-09 18:17 EST (History)
14 users (show)

See Also:
Fixed In Version: qemu-kvm-0.12.1.2-2.132.el6
Doc Type: Bug Fix
Doc Text:
IMPORTANT: this is an internal interface consumed only by libvirt. Users should only know about libvirt related impact and new functionality (which is not described here). Cause: hmp_passthrough command is needed so libvirt can use some qemu-kvm features such as savevm/loadvm. Consequence: libvirt can't use savevm/loadvm through QMP withou hmp_passthrough command. Change: htmp_passthrough command was implemented in qemu-kvm. Result: libvirt can use the hmp_passthrough QMP command to execute legacy commands such as loadvm/savevm.
Story Points: ---
Clone Of: 644819
Environment:
Last Closed: 2011-05-19 07:23:03 EDT
Type: ---
Regression: ---
Mount Type: ---
Documentation: ---
CRM:
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

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External Trackers
Tracker ID Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2011:0534 normal SHIPPED_LIVE Important: qemu-kvm security, bug fix, and enhancement update 2011-05-19 07:20:36 EDT

  None (edit)
Description Luiz Capitulino 2010-10-28 08:12:44 EDT 
Cloning this bug for RHEl6.1 as it's also going to get this feature, so that we can have things like savevm/loadvm working under QMP.

+++ This bug was initially created as a clone of Bug #644819 +++

It is impossible to debug qemu instance without human qemu monitor.
Comment 2 Luiz Capitulino 2010-11-02 07:59:55 EDT 
Submitted upstream:

http://lists.gnu.org/archive/html/qemu-devel/2010-10/msg02232.html
Comment 4 Steve Neuner 2010-11-10 21:57:52 EST 
Approved by Development for targeting RHEL 6.1.
Comment 5 Luiz Capitulino 2010-11-24 10:54:26 EST 
After a few revisions and some upstream discussion, the final version has been submitted for inclusion as part of a Monitor queue pull request:

 http://lists.gnu.org/archive/html/qemu-devel/2010-11/msg01577.html

This should be merged in the next days.
Comment 10 Luiz Capitulino 2011-01-26 07:19:26 EST 
*** Bug 644819 has been marked as a duplicate of this bug. ***
Comment 14 Eduardo Habkost 2011-05-05 13:06:48 EDT 
    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:
Cause: hmp_passthrough command is needed so libvirt can use some qemu-kvm features such as savevm/loadvm.

Consequence: libvirt can't use savevm/loadvm through QMP withou hmp_passthrough command.

Change: htmp_passthrough command was implemented in qemu-kvm.

Result: libvirt can use the hmp_passthrough QMP command to execute legacy commands such as loadvm/savevm.
Comment 15 Luiz Capitulino 2011-05-05 13:41:07 EDT 
    Technical note updated. If any revisions are required, please edit the "Technical Notes" field
    accordingly. All revisions will be proofread by the Engineering Content Services team.
    
    Diffed Contents:
@@ -1,3 +1,5 @@
+IMPORTANT: this is an internal interface consumed only by libvirt. Users should only know about libvirt related impact and new functionality (which is not described here).
+
 Cause: hmp_passthrough command is needed so libvirt can use some qemu-kvm features such as savevm/loadvm.
 
 Consequence: libvirt can't use savevm/loadvm through QMP withou hmp_passthrough command.
Comment 16 errata-xmlrpc 2011-05-19 07:23:03 EDT 
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-2011-0534.html
Comment 17 errata-xmlrpc 2011-05-19 08:49:48 EDT 
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-2011-0534.html
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