This is a somewhat blind stab, but I've seen another "windows guest issue on 19.10" report at [1]. I don't have any particular reason to expect it would help, but for a try if one of the people here could try kernel_irqchip=on that would be nice.
[1]: https://askubuntu.com/questions/1185321/ubuntu-19-10-qemu4-0-not- able-to-set-kernel-irqchip-on-in-libvirt/ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1849720 Title: Running VM with Virtual NIC Crashes Host OS To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qemu/+bug/1849720/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
