On Tue, Aug 06, 2024 at 09:09:50AM GMT, Stefan Hajnoczi wrote: > On Tue, 6 Aug 2024 at 08:10, Daniel Wagner <dwagner@xxxxxxx> wrote: > > The only stall I was able to trigger > > reliable was with qemu's PCI emulation. It looks like when a CPU is > > offlined, the PCI affinity is reprogrammed but qemu still routes IRQs to > > an offline CPU instead to newly programmed destination CPU. All worked > > fine on real hardware. > > Hi Daniel, > Please file a QEMU bug report here (or just reply to this emails with > details on how to reproduce the issue and I'll file the issue on your > behalf): > https://gitlab.com/qemu-project/qemu/-/issues > > We can also wait until your Linux patches have landed if that makes it > easier to reproduce the bug. Thanks for the offer. I tried simplify the setup and come up with producer using qemu directly instead with libvirt. And now it works just fine. I'll try to figure out what the magic argument...
