On 01/11/13 07:01, Parakkal, Navin S wrote:
Hi,
I’m using qemu+ssh://username@hostname/system as the remote URI. Libvirt
seems to be communicating fine until some 2 minutes (we poll every 5
seconds) and then it throws up RPC error and many counters are wrong.
But if I collect on localhost the counters seems to be coming fine. Test
and testvm are guests on the local machine where as Win8 and Ubuntu* are
remote URI’s connected through ssh.
What causes this error “libvir: RPC error : End of file while reading
data: : Input/output error”
and how do we fix it ?
I’ve pasted the logfile inline.
Localhost from which we are connecting:
uname -aLinux iwf0044110 3.2.0-23-generic #36-Ubuntu SMP Tue Apr 10
20:39:51 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux
root@iwf0044110:/home1/parakkal/COLLABNET_11.10_NEW/hpsw-oa/PA/numsVob/linux/2.2/Linux2.6_64_debug#
cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=12.04
DISTRIB_CODENAME=precise
DISTRIB_DESCRIPTION="Ubuntu 12.04 LTS"
root@iwf0044110:/home1/parakkal/COLLABNET_11.10_NEW/hpsw-oa/PA/numsVob/linux/2.2/Linux2.6_64_debug#
virsh version
Compiled against library: libvir 0.9.8
Using library: libvir 0.9.8
Using API: QEMU 0.9.8
Running hypervisor: QEMU 1.0.0
Remote host:
root@iwf004461:/home1/parakkal/COLLABNET_11.10_NEW/hpsw-oa/PA/numsVob/linux/2.2#
uname -a
Linux iwf004461 3.0.0-12-server #20-Ubuntu SMP Fri Oct 7 16:36:30 UTC
2011 x86_64 x86_64 x86_64 GNU/Linux
root@iwf004461:/home1/parakkal/COLLABNET_11.10_NEW/hpsw-oa/PA/numsVob/linux/2.2#
cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=11.10
DISTRIB_CODENAME=oneiric
DISTRIB_DESCRIPTION="Ubuntu 11.10"
root@iwf004461:/home1/parakkal/COLLABNET_11.10_NEW/hpsw-oa/PA/numsVob/linux/2.2#
virsh version
Compiled against library: libvir 0.9.2
Using library: libvir 0.9.2
Using API: QEMU 0.9.2
Running hypervisor: QEMU 0.14.1
Note: libvirt.so not present, using /usr/lib/libvirt.so.0
libvir: error : no connection driver available for No connection for URI
xen:///
No Xen on this system
NOTE: 1 memory stats available out of 8
Hm those errors you pasted seem really strange. As it appears to work on
localhost, the problem will be probably in the transport itself.
As the log you posted contains only error messages it's hard to tell the
reason for this behavior.
One of the reasons might be that the machine name isn't resolving
correctly. Please try to fix your DNS or /etc/hosts file so that the
resolution works.
Could you please post logs containing debug logs both from the client
(refer to http://libvirt.org/logging.html#log_library for steps to
enable them) and also from the server. Please attach them compressed as
they tend to grow really large after a short time.
Thanks
Peter
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