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List:       xen-users
Subject:    [Xen-users] Problem: xend.log says "VM restarting too fast. Refusing to restart to avoid loops"
From:       Andrea Monti <ilsuonogiallo () gmail ! com>
Date:       2013-06-19 16:37:30
Message-ID: CAAQVbZbgw02Nq6MjPGUxn8-zbF6voWZU-M-ufimZGLS3SQXQww () mail ! gmail ! com
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Hi all,
one of my servers crashed last sunday just right after a startup and I need
to understand what was going on.
I am running Windows 2008 R2 Standard Edition on Oracle VM 3.1 - Xen
4.1.2-OVM

On sunday a scheduled task shutted down cleanly the vm.
the shutdown started at Sun Jun 16 10:00:33  and it ended at 2013-06-16
10:00:46.938.
xend.log says:

[2013-06-16 10:00:45 7228] INFO (XendDomainInfo:2148) Domain has shutdown:
name=0004fb00000600008f562ccf5ed488f8 id=6 reason=poweroff.

So far, so good

The same virtual machine has been started on Sun Jun 16 10:01:55 .
xend.logs says
[2013-06-16 10:01:56 7228] DEBUG (XendDomainInfo:106)
XendDomainInfo.create(['vm', ['name', '0004fb00000600008f562ccf5ed488f8'],
['memory', 1536], ['maxmem', 1536], ...
...
[2013-06-16 10:01:57 7228] INFO (XendDomain:1225) Domain
0004fb00000600008f562ccf5ed488f8 (7) unpaused.

once again so far so good

After less than one minute xend.log says

[2013-06-16 10:02:54 7228] WARNING (XendDomainInfo:2131) Domain has
crashed: name=0004fb00000600008f562ccf5ed488f8 id=7.
[2013-06-16 10:02:54 7228] ERROR (XendDomainInfo:2265) VM
0004fb00000600008f562ccf5ed488f8 restarting too fast (Elapsed time:
57.838376 seconds). Refusing to restart to
 avoid loops.
[2013-06-16 10:02:54 7228] DEBUG (XendDomainInfo:3145)
XendDomainInfo.destroy: domid=7
[2013-06-16 10:02:55 7228] DEBUG (XendDomainInfo:2473) Destroying device
model
[2013-06-16 10:02:55 7228] INFO (image:612)
0004fb00000600008f562ccf5ed488f8 device model terminated
[2013-06-16 10:02:55 7228] DEBUG (XendDomainInfo:2480) Releasing devices

WHAT !?!?!
What does "VM restarting too fast" mean?

Thanks for every answer
Regards
Andrea

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<div dir="ltr"><div><div><div><div><div><div><div>Hi all,<br></div>one of my servers \
crashed last sunday just right after a startup and I need to understand what was \
going on.<br></div>I am running Windows 2008 R2 Standard Edition on Oracle VM 3.1 - \
Xen 4.1.2-OVM<br> <br>On sunday a scheduled task shutted down cleanly the \
vm.<br></div>the shutdown started at Sun Jun 16 10:00:33  and it ended at 2013-06-16 \
10:00:46.938.<br></div>xend.log says:<br><br>[2013-06-16 10:00:45 7228] INFO \
(XendDomainInfo:2148) Domain has shutdown: name=0004fb00000600008f562ccf5ed488f8 id=6 \
reason=poweroff.<br> <br></div>So far, so good<br><br></div>The same virtual machine \
has been started on Sun Jun 16 10:01:55 . xend.logs says<br>[2013-06-16 10:01:56 \
7228] DEBUG (XendDomainInfo:106) XendDomainInfo.create([&#39;vm&#39;, \
[&#39;name&#39;, &#39;0004fb00000600008f562ccf5ed488f8&#39;], [&#39;memory&#39;, \
                1536], [&#39;maxmem&#39;, 1536], ...<br>
...<br>[2013-06-16 10:01:57 7228] INFO (XendDomain:1225) Domain \
0004fb00000600008f562ccf5ed488f8 (7) unpaused.<br><br></div><div>once again so far so \
good<br><br></div>After less than one minute xend.log says<br><div><div> \
<div><div><div><div><div><br>[2013-06-16 10:02:54 7228] WARNING (XendDomainInfo:2131) \
Domain has crashed: name=0004fb00000600008f562ccf5ed488f8 id=7.<br>[2013-06-16 \
10:02:54 7228] ERROR (XendDomainInfo:2265) VM 0004fb00000600008f562ccf5ed488f8 \
restarting too fast (Elapsed time: 57.838376 seconds). Refusing to restart to<br>  \
avoid loops.<br>[2013-06-16 10:02:54 7228] DEBUG (XendDomainInfo:3145) \
XendDomainInfo.destroy: domid=7<br>[2013-06-16 10:02:55 7228] DEBUG \
(XendDomainInfo:2473) Destroying device model<br>[2013-06-16 10:02:55 7228] INFO \
(image:612) 0004fb00000600008f562ccf5ed488f8 device model terminated<br> [2013-06-16 \
10:02:55 7228] DEBUG (XendDomainInfo:2480) Releasing devices<br><br></div><div>WHAT \
!?!?!<br></div><div>What does &quot;VM restarting too fast&quot; mean? \
<br><br></div><div>Thanks for every answer<br></div><div> \
Regards<br></div><div>Andrea<br><br></div></div></div></div></div></div></div></div>



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