[Xen-devel] [BUG] 16 vcpus + 2 vif bridge = issue ?

[Roman Shubovich <r.shubovich@xxxxxxxxx>]

hi

i have physical server with 40 cpu cores

and i need to create a hvm domu with at least 16 vcpus and 2 network bridges

when i start that domu i have some not understable issue - the second bridge has no traffic from network (works only first interface - first declared in config file). i can see traffic with tcpdum on dom0, but not on vif interface that has been created by domu startup script.

when i reduce number of vcpu to 15 or less then bridges works fine

system:

dom0 ubuntu 14.04.03 kernel 3.18.21

domu ubuntu 14.04.03 kernel 3.18.21

tried xen:

xen 4.4

xen 4.5

xen 4.6

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