On Sat, Oct 01, 2022 at 02:07:30AM +0000, Bryce Zimmer wrote: > See the attached output of libguestfs-test-tool. > > I’m trying to mount an image to eve-ng VM using their instructions and ran into > an error. > > > > These are the instructions I was following. > > https://www.eve-ng.net/index.php/documentation/howtos/2822-2/ > > > > Please let me know if you have any questions or if I can help in any way. qemu-system-x86_64: error: failed to set MSR 0x48f to 0x7fffff00036dfb qemu-system-x86_64: /build/qemu-aXkhnW/qemu-4.2/target/i386/kvm.c:2691: kvm_buf_set_msrs: Assertion `ret == cpu->kvm_msr_buf->nmsrs' failed. It's a bug in qemu. I'm not sure exactly which qemu bug but if you search for "error: failed to set MSR 0x48f" you'll find a few references which seem to be related to nested virt: https://bugs.launchpad.net/qemu/+bug/1879646 https://communities.vmware.com/t5/ESXi-Discussions/ESXI-QEMU-Nested-Virtu... You can work around it (although it'll be slow) using: https://libguestfs.org/guestfs.3.html#force_tcg