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37.5. Verifying the para-virtualized drivers have successfully loaded
One of the first tasks you will want to do is to verify that the drivers have actually been loaded into your system.
After the para-virtualized drivers have been installed and the guest has been rebooted you can verify that the drivers have loaded. First you should confirm the drivers have logged their loading into
You can also use the
/var/log/messages
# grep -E "vif|vbd|xen" /var/log/messages
xen_mem: Initialising balloon driver
vif vif-0: 2 parsing device/vif/0/mac
vbd vbd-768: 19 xlvbd_add at /local/domain/0/backend/vbd/21/76
vbd vbd-768: 19 xlvbd_add at /local/domain/0/backend/vbd/21/76
xen-vbd: registered block device major 202
lsmod command to list the loaded para-virtualized drivers. It should output a list containing the xen_vnif, xen_vbd, xen_platform_pci and xen_balloon modules.
# lsmod|grep xen
xen_vbd 19168 1
xen_vnif 28416 0
xen_balloon 15256 1 xen_vnif
xen_platform_pci 98520 3 xen_vbd,xen_vnif,xen_balloon,[permanent]
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