Felix Leimbach wrote:
I see similar behavior: After a week one of my guests' network totally stops to respond. Only guests using virtio networking get hit. Both windows and linux guests are affected.
My guests in production use e1000 and have never been hit.
While that can be a coincidence it seems very unlikely: Out of 3 virtio guests 2 have been hit, one repeatedly.
Out of 3 e1000 guests none has ever been hit.

Observed with kvm-83 and kvm-84 with the host running in-kernel KVM code (linux 2.6.25.7)

Might it be that some counter overflowed? What are the packet counts on long running guests?

(output of ifconfig, even on an unaffected e1000 guest, might help)

--
error compiling committee.c: too many arguments to function

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