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Hello,
at the moment we are investigating stalls of Windows XP VMs during
live migration. Our environment consists of:
- FC20 hypervisor nodes
- qemu 1.6.2
- OVirt 3.4.1
- Guest: Windows XP SP2
- VM Disks: Virtio & IDE tested
- SPICE / VNC: both tested
- Balloon: With & without tested
- Cluster compatibility: 3.4 - CPU Nehalem
After 2-10 live migrations the Windows XP guest is no longer responsive.
First of all we thougth that it might be related to SPICE because we were
no longer able to logon to the console. So we installed XP telnet server in
the VM but that showed a similar behaviour:
- The telnet welcome dialogue is always available (network seems ok)
- Sometime after a live migration if you enter the password the telnet
gives no response.
In parallel the SPICE console allows to move open windows. But as soon
as one clicks on the start the menu the system gives no response.
Even after updating to qemu 2.0 with virt-preview respositories the
behaviour stays the same. Looks like the system cannot access
Any ideas?
Markus
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Content-Type: text/html; charset="iso-8859-1"
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<html dir=3D"ltr"
<head
<meta http-equiv=3D"Content-Type"
content=3D"text/html; charset=3Diso-8859-=
1"
<style type=3D"text/css"
id=3D"owaParaStyle"></style
</head
<body fpstyle=3D"1"
ocsi=3D"0"
<div style=3D"direction:
ltr;font-family: Tahoma;color: #000000;font-size: =
10pt;">Hello,
<div><br
</div
<div>at the moment we are investigating stalls of Windows
XP VMs during</di=
v
<div>live migration. Our environment consists
of:</div
<div><br
</div
<div>- FC20 hypervisor nodes </div
<div>- qemu 1.6.2</div
<div>- OVirt 3.4.1</div
<div>- Guest: Windows XP SP2</div
<div>- VM Disks: Virtio & IDE tested</div
<div>- SPICE / VNC: both tested</div
<div>- Balloon: With & without tested</div
<div>- Cluster compatibility: 3.4 - CPU
Nehalem</div
<div><br
</div
<div>After 2-10 live migrations the Windows XP guest is no longer responsiv=
e.</div
<div><br
</div
<div>First of all we thougth that it might be related to SPICE because we w=
ere</div
<div>no longer able to logon
to the console. So we installed XP telnet serv=
er in </div
<div>the VM <span
style=3D"font-size: 10pt;">but </span><span sty=
le=3D"font-size: 10pt;">that showed a similar
behaviour:</span></div
<div><span
style=3D"font-size: 10pt;"><br
</span></div
<div><span
style=3D"font-size: 10pt;">- The telnet welcome dialogue is alwa=
ys available (network seems ok)</span></div
<div><span style=3D"font-size:
10pt;">- </span><span style=3D"font-siz=
e: 10pt;">Sometime after a live migration</span><span
style=3D"font-size: 1=
0pt;"> if you enter the</span><span style=3D"font-size:
10pt;"> =
password the telnet </span></div
<div><span style=3D"font-size: 10pt;"> gives no
response.</span></div=
<div><span style=3D"font-size: 10pt;">In
parallel the SPICE console allows =
to move open windows. But as soon</span></div
<div><span style=3D"font-size: 10pt;">as one clicks on the
start the menu t=
he system gives no response.</span></div
<div><span style=3D"font-size: 10pt;"><br
</span></div
<div><span style=3D"font-size: 10pt;">Even after updating to
qemu 2.0 with =
virt-preview respositories the</span></div
<div><span style=3D"font-size: 10pt;">behaviour stays the
same. Looks like =
the system cannot access</span></div
<div><span style=3D"font-size: 10pt;"><br
</span></div
<div><span style=3D"font-size: 10pt;">Any
ideas?</span></div
<div><span
style=3D"font-size: 10pt;"><br
</span></div
<div><span
style=3D"font-size: 10pt;">Markus</span></div
</div
</body
</html
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