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[Xen-users] Watchdog and live migration
- To: xen-users@xxxxxxxxxxxxxxxxxxx
- From: Wouter de Geus <benv-xensource.com@xxxxxxxxxxxxx>
- Date: Thu, 15 Mar 2012 16:03:44 +0100
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Hi folks,
I have two machines running Xen, one has v4.1.1 and the other v4.1.2.
On top I have a DRBD block device on which my test domU runs (Slackware v13.37
using a kernel.org kernel version 3.2.6).
The domU runs fine, but when I migrate it to the other dom0 something weird
happens:
At first everything seems fine, the domain is gone on host 1 and runs on host 2.
(a ssh session to the domU survives and works fine as well), but after a minute
orso
suddenly the domain is completely gone! (no corpse left on either dom0)
The logs show a normal shutdown as far as I can tell, the only hint as to why
it
shut down is in 'xm dmesg' on the migration target dom0:
(XEN) Watchdog timer fired for domain 19
Does anyone know what is happenening here and why the migration triggers this?
(and possible solutions)
Is this a bug in Xen or did I do something stupid?
In the domU a /dev/watchdog exists, but I never touch it myself.
Thanks for reading :)
Regards,
Wouter.
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