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2013 Aug 30
1
libvirt-qemu/kvm passthru w/Intel 82598EB
...e has extremely high rtt w/ping tests (20-30ms avg). I've tried a few tweaks I've discovered via googling, but nothing seems to help. (run libvirt as root, set privilege mode, etc) For validation, I have the same card in Dell hosts running Centos 6 natively and they get an avg rtt of .06ms or better. Furthemore the Dell will contact the dom1 but the connection has rtt avg times of about 6ms. With the ethernet interface on the motherboard of the Apple Xserve, I will see rtt times of .06ms within the dom1's, so I think this points to a problem with the Intel card passthru usage, p...