Github user bhaisaab commented on the pull request:
https://github.com/apache/cloudstack/pull/16#issuecomment-56371520
Hi Leo, I spent last few hours in debugging systemvms. I tested the built
systemvms from
http://jenkins.buildacloud.org/job/systemvm-refactor-CLOUDSTACK-7143/9/
on KVM using both master and 4.4 branch as my systemvms were unable to
connect to mgmt server.
At first, I was getting KVM clock error exceptions which I solved by
disabling it from agent.properties
(http://cjkz.wordpress.com/2014/08/08/apache-cloudstack-kvmclock-error/).
So after spending last few hours debugging them, I see the following from
VNC/KVM:

It looks like the disk is corrupt for some reason, so to test the image I
used the new KVM template to deploy a VM on another CloudStack deployment which
perfectly worked for me. So, I'm guessing something in the KVM iso/patching
process is messing with the systemvm. Now every time CloudStack tried to do HA
and re-deploys systemvms I get the above on my test environment.
Can you please try this at your end using KVM or Xen and let me know if it
works for you?
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