Issue while bringing up libvirtd.service

[Praveen Kumar <kpraveen.lkml@gmail.com>]

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Hi,

I am new in Xen environment and trying to get VMs running with the build
xen code base.

But, am facing issue bringing up the libvirt deamon. I have installed
latest unstable xen ( 4.9 ).
There seems to be a conflict in library version and because of which I am
getting below error :
...
Dec 08 00:44:43 kpraveen.labs.blr.novell.com libvirtd[14603]: Unable to
configure libxl's memory management parameters
Dec 08 00:44:43 kpraveen.labs.blr.novell.com libvirtd[14603]:
Initialization of LIBXL state driver failed: no error
Dec 08 00:44:43 kpraveen.labs.blr.novell.com libvirtd[14603]: Driver state
initialization failed
...

The problem is resolved when I remove libvirt-daemon-driver-libxl, but that
seems to be removing libvirt package also and causing below error during
vm-install :
....
Dec 08 00:41:59 kpraveen.labs.blr.novell.com libvirtd[7005]: no connection
driver available for xen:///
Dec 08 00:41:59 kpraveen.labs.blr.novell.com libvirtd[7005]: End of file
while reading data: Input/output error
....

I found that we have xen-libs of different version which is 4.7, but don't
know if that is the root cause and how to upgrade that. As suggested, I
have also rebuild xen tree and tried reinstalling, but the issue persists.

Any guidance will be very much helpful to resolve this problem . Also,
wanted to know, what others follow as best practices when there is a
version change or if hit the similar problem.
Just FYI, I am following
https://wiki.xenproject.org/wiki/Compiling_Xen_From_Source link for
compiling and installing xen.

Thanks in advance.

Regards,

~Praveen.

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