On (Tue) 02 Sep 2014 [22:05:45], Andrey Korolyov wrote: > Can confirm serious degradation comparing to the 1.1 with regular > serial output - I am able to hang VM forever after some tens of > seconds after continuously printing dmest to the ttyS0. VM just ate > all available CPU quota during test and hanged over some tens of > seconds, not even responding to regular pings and progressively > raising CPU consumption up to the limit. Entirely different to what's being discussed here. You're observing slowdown with ttyS0 in the guest -- the isa-serial device. This thread is discussing virtio-blk and virtio-serial. Amit -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
