graphic: 0.885
device: 0.865
virtual: 0.566
performance: 0.558
VMM: 0.523
network: 0.425
KVM: 0.417
risc-v: 0.403
i386: 0.399
PID: 0.372
hypervisor: 0.330
vnc: 0.326
arm: 0.316
x86: 0.276
semantic: 0.274
mistranslation: 0.270
boot: 0.204
kernel: 0.183
register: 0.173
debug: 0.167
peripherals: 0.154
ppc: 0.131
TCG: 0.125
user-level: 0.125
architecture: 0.101
permissions: 0.054
assembly: 0.037
socket: 0.035
files: 0.023

Guest freezes if memory backing using memfd/shared/
Description of problem:
Guest VM freezes with the following memory backing is set. Required to for virtiofs, but just setting the following the guest will freeze in around 2hours, no logs or errors generate.

  <memoryBacking>
    <source type='memfd'/>
    <access mode='shared'/>
  </memoryBacking>
Steps to reproduce:
1.
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Additional information: