As per previous comments, this bug was fixed by commit https://git.qemu.org/?p=qemu.git;a=commitdiff;h=d659d94013390238961fac741572306c95496bf5 (released in QEMU v2.11.0):
commit d659d94013390238961fac741572306c95496bf5 Author: Aleksandr Bezzubikov <zuban...@gmail.com> Date: Mon Sep 25 02:21:58 2017 +0300 hw/pci-bridge/pcie_pci_bridge: properly handle MSI unavailability case ** Changed in: qemu Status: New => Fix Released -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1721220 Title: qemu crashes with assertion error `!mr->container' failed Status in QEMU: Fix Released Bug description: Re-production steps: git clone today's qemu git tree (4th Oct 2017) ./configure --target-list=ppc64-softmmu && make -j 8 Run the device-crash-test from scripts folder, seeing the following error INFO: running test case: machine=bamboo binary=ppc64-softmmu/qemu-system-ppc64 device=pcie-pci-bridge accel=kvm WARNING: qemu received signal -6: ppc64-softmmu/qemu-system-ppc64 -chardev socket,id=mon,path=/var/tmp/qemu-30972-monitor.sock -mon chardev=mon,mode=control -display none -vga none -S -machine bamboo,accel=kvm -device pcie-pci-bridge CRITICAL: failed: machine=bamboo binary=ppc64-softmmu/qemu-system-ppc64 device=pcie-pci-bridge accel=kvm CRITICAL: cmdline: ppc64-softmmu/qemu-system-ppc64 -S -machine bamboo,accel=kvm -device pcie-pci-bridge CRITICAL: log: qemu-system-ppc64: /home/nasastry/qemu/memory.c:1699: memory_region_finalize: Assertion `!mr->container' failed. CRITICAL: log: warning: KVM does not support watchdog CRITICAL: exit code: -6 To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1721220/+subscriptions