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Bug 766303 - [RFE] Resume VM from s3 as a response for monitor/keyboard/mouse action
Summary: [RFE] Resume VM from s3 as a response for monitor/keyboard/mouse action
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: qemu-kvm
Version: 6.2
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: rc
: ---
Assignee: Gerd Hoffmann
QA Contact: Virtualization Bugs
URL:
Whiteboard:
Depends On:
Blocks: 766958 767473 789327
TreeView+ depends on / blocked
 
Reported: 2011-12-11 14:47 UTC by Dor Laor
Modified: 2013-01-09 21:21 UTC (History)
16 users (show)

Fixed In Version: qemu-kvm-0.12.1.2-2.246.el6
Doc Type: Enhancement
Doc Text:
No Documentation Needed
Clone Of:
: 767473 789327 (view as bug list)
Environment:
Last Closed: 2012-06-20 11:37:31 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2012:0746 0 normal SHIPPED_LIVE qemu-kvm bug fix and enhancement update 2012-06-19 19:31:48 UTC

Description Dor Laor 2011-12-11 14:47:22 UTC 
Description of problem:
Since we enable s3 for WHQL, it allows VMs to use a policy of auto suspend to ram when there is not activity. Win7 does it by default every 30 minutes.

We like to keep this ability and pause the VM and only resume it on monitor command (new one, or -re-use the 'cont' command) and input from keyboard/mouse through vnc/spice channels.
Comment 2 Dave Allan 2012-02-10 13:26:17 UTC 
Gerd, if you end up re-using the cont command it would make the libvirt aspect of this work go away, which would be a nice efficiency, but if that approach doesn't work for you, there are a couple of other ways we could do the libvirt piece.
Comment 3 Dave Allan 2012-02-10 13:40:24 UTC 
Err, sorry, I just read https://bugzilla.redhat.com/show_bug.cgi?id=789327#c1  That works for us.
Comment 11 Qunfang Zhang 2012-03-21 07:42:02 UTC 
I'm verifying this bug with the following packages and scenarios:
Packages:
kernel-2.6.32-251.el6.x86_64
qemu-kvm-0.12.1.2-2.250.el6.x86_64
seabios-0.6.1.2-13.el6.x86_64

Scenarios:

1. suspend guest to mem and wakeup it with monitor command "system_wakeup".
==> pass
2. suspend guest to mem and wakeup it by clicking keyboard. 
==> pass
3. suspend guest to mem and wakeup it by clicking ps/2 mouse.
==> pass.
4. suspend guest to mem, guest with virtio serial attached. wakeup by sending some characters from host to guest.
==> Failed. new bug 805401
5. suspend guest to mem and using rtc alarm to wake up guest.
rhel guest ==> pass
windows guest ==> failed. bug 804933
6. suspend guest to mem and using acpi timer to wakeup guest.
==> TODO.
Gerd, how to do it? 

7. suspend guest and wakeup guest, check the qmp event. there should be 2 new events "SUSPEND" and "WAKEUP".
==> pass.  
8. suspend guest to mem, and migrate it to another host. migration should finish successfully, and the guest status in dst host is running (for rhel6.3).
==> pass.

Hi, Gerd
Could you help have a look at item 4 and 6?  For item 6, how to wakeup  guest with acpi timer? 


Thanks,
Qunfang
Comment 12 Qunfang Zhang 2012-03-21 08:38:54 UTC 
For item 4, I closed the bug 805401 as it works for isa-serial.
Comment 13 Gerd Hoffmann 2012-03-21 13:00:56 UTC 
item 4 - is resolved meanwhile.
item 5 - needs a seabios fix, gleb works on it.
item 6 - no idea, rtc wakeup seems to be much more common,
         I've tried to find out and found only stuff on rtc wakeup ...
Comment 14 Qunfang Zhang 2012-03-22 02:10:17 UTC 
OK, then this bug can be verified. item 5 will be tracked by bug 804933. Thanks.
Comment 16 Michal Novotny 2012-05-04 09:25:15 UTC 
    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:
No Documentation Needed
Comment 17 errata-xmlrpc 2012-06-20 11:37:31 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-2012-0746.html
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