On 07.06.2012, at 03:26, Fei K Chen wrote: > hi everyone, > > This is Fei Chen from IBM Research China. I and my team are working on > enabling qemu-kvm on IBM prism A2 processor. After guest OS booted up, we can > run linux commands on bash, such as "ls", "dmesg". However, if we stop input > and let the guest OS idle for a while, such as 15 seconds, the guest OS will > not respond to keyboard input anymore. > > Since interrupt controller is not ready for virtual machine, our guest OS > boots up with "irqpoll" argument. Is it possible that when guest OS idle, it > will not trap into kvm, so kvm can not inject a timer interrupt to guest OS? > Have you got the similar problems?
It might be related to the way you implement idle. But without seeing the code, I can't tell too much there. We certainly can run VMs with IRQs for more than 15 seconds on other ppc platforms though :). Btw, is there anything keeping you from just reusing QEMU's MPIC code for IRQ delivery? Alex -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
