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[Xen-users] Error 4+ vif's on HVM guest

Hi All,

I cannot create hvm guest with more than 4 vif's
This is error message:
libxl: error: libxl_dm.c:1854:device_model_spawn_outcome: domain 10 device model: spawn failed (rc=-3)                                  │ psr-hwinfo          Show hardware information for Platform Shared Resource
libxl: error: libxl_create.c:1341:domcreate_devmodel_started: device model did not start: -3                                            │ psr-cmt-attach      Attach Cache Monitoring Technology service to a domain
libxl: error: libxl_dm.c:1964:kill_device_model: Device Model already exited                                                            │ psr-cmt-detach      Detach Cache Monitoring Technology service from a domain
libxl: error: libxl.c:1591:libxl__destroy_domid: non-existant domain 10                                                                 │ psr-cmt-show        Show Cache Monitoring Technology information
libxl: error: libxl.c:1549:domain_destroy_callback: unable to destroy guest with domid 10                                               │ psr-cat-cbm-set     Set cache capacity bitmasks(CBM) for a domain
libxl: error: libxl.c:1476:domain_destroy_cb: destruction of domain 10 failed

When there are 4 vif's "xl create" works fine
I already saw this bug in xen 4.4 in Ubuntu 14.04 LTS.
But I beleive it was fixed in xen 4.5
Now it is again happening with xen 4.6

Has anyone experienced the same?
Is there anything to do with it?

And yes, I know that using full virtualisation for 4 vif's and paravirtualised drivers for rest will do the trick.
But I have to use e1000 for vif's.


Rauf Babayev
Test Engineer
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