Re: kvm_buf_set_msrs: Assertion `ret == cpu->kvm_msr_buf->nmsrs' failed.

[Li Feng]

Paolo Bonzini <address@hidden> 于2020年5月20日周三 下午6:10写道：
>
> On 20/05/20 11:36, Li Feng wrote:
> >> Can you do "rdmsr 0x48f" (as root)?  On my machine for example I get
> >> 1ffffff00036dfb.
> >>
> > $ rdmsr 0x48f
> > 3fffff00036dfb
> >
>
> Hmm, weird.  What is exactly your QEMU command line?
>
/root/qemu-master/x86_64-softmmu/qemu-system-x86_64 -enable-kvm
-device virtio-balloon -cpu
host,-vmx-exit-nosave-debugctl,-vmx-exit-ack-intr,-vmx-exit-save-pat,-vmx-exit-load-pat,-vmx-exit-save-efer,-vmx-exit-load-efer,-vmx-exit-save-preemption-timer
-smp 4 -m 2G -drive
file=/root/html/fedora-10g.img,format=raw,cache=none,aio=native,if=none,id=drive-virtio-disk1
-device 
virtio-blk-pci,scsi=off,drive=drive-virtio-disk1,id=virtio-disk1,bootindex=1
-device virtio-net,netdev=nw1,mac=00:11:22:EE:EE:10 -netdev
tap,id=nw1,script=no,downscript=no,ifname=tap0 -serial mon:stdio
-nographic -object
memory-backend-file,id=mem0,size=2G,mem-path=/dev/hugepages,share=on
-numa node,memdev=mem0 -vnc 0.0.0.0:100 -machine usb=on,nvdimm -device
usb-tablet -monitor tcp:0.0.0.0:1234,server,nowait -qmp
tcp:0.0.0.0:2234,server,nowait -device
virtio-serial-pci,id=virtio-serial0,max_ports=16 -chardev
socket,id=channel1,path=/tmp/helloworld1,server,nowait -device
virtserialport,chardev=channel1,name=com.redhat.rhevm.vdsm1,bus=virtio-serial0.0,id=port1

The CentOS version(qemu-kvm-ev-2.12.0-33.1.el7) works well on my VM.
So I guess this is an issue in the upstream master codebase.

> Paolo
>