Bug 2213383

* Wed Jun 07 2023 Open vSwitch CI <ovs-ci> - 3.1.0-37
- Merging upstream branch-3.1 [RH git: 31e7facba9]
    Commit list:
    3fcb817840 cpu: Fix cpuid check for some AMD processors. (#2211747)
    01f0668fdf tc: Fix crash on malformed reply from kernel.

Reproduced the issue using a RHEL-8.6 VM with AMD Phenom CPU setting with openvswitch3.1-3.1.0-17.el8fdp, verified fix using openvswitch3.1-3.1.0-39.el8fdp:

[root@netqe40 ~]# cat g3.xml 
<domain type='kvm'>
  <name>g3</name>
  <memory unit='KiB'>4194304</memory>
  <vcpu placement='static'>3</vcpu>
  <os>
    <type arch='x86_64' machine='pc'>hvm</type>
    <boot dev='hd'/>
  </os>
  <features>
    <acpi/>
    <apic/>
    <pae/>
  </features>
  <cpu mode='custom' match='exact' check='none'>
    <model fallback='allow'>phenom</model>
  </cpu>
  <clock offset='utc'/>
  <on_poweroff>destroy</on_poweroff>
  <on_reboot>restart</on_reboot>
  <on_crash>restart</on_crash>
  <devices>
    <emulator>/usr/libexec/qemu-kvm</emulator>
    <disk type='file' device='disk'>
      <driver name='qemu' type='qcow2' cache='none'/>
      <source file='/var/lib/libvirt/images/g3.qcow2'/>
      <target dev='vda' bus='virtio'/>
    </disk>
    <interface type='bridge'>
      <source bridge='virbr0'/>
    </interface>
    <interface type='bridge'>
      <source bridge='ovsbr0'/>
      <virtualport type='openvswitch'>
      <parameters/>
      </virtualport>
      <target dev='vnet0'/>
      <model type='virtio'/>
      <alias name='net0'/>
    </interface>
    <serial type='pty'>
      <target port='0'/>
    </serial>
    <console type='pty'>
      <target type='serial' port='0'/>
    </console>
    <input type='tablet' bus='usb'/>
    <input type='mouse' bus='ps2'/>
    <graphics type='vnc' port='-1' autoport='yes'/>
    <memballoon model='virtio'>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x0'/>
    </memballoon>
  </devices>
</domain>
[root@netqe40 ~]# virsh define g3.xml 
Domain 'g3' defined from g3.xml

[root@netqe40 ~]# virsh start g3
Domain 'g3' started

[root@netqe40 ~]# virsh console g3
Connected to domain 'g3'
Escape character is ^] (Ctrl + ])

Red Hat Enterprise Linux 8.6 (Ootpa)
Kernel 4.18.0-372.9.1.el8.x86_64 on an x86_64

Activate the web console with: systemctl enable --now cockpit.socket

localhost login: root
Password: 
[root@localhost ~]# cat /etc/redhat-release 
Red Hat Enterprise Linux release 8.6 (Ootpa)

[root@localhost ~]# rpm -qa | grep openvswitch
openvswitch-selinux-extra-policy-1.0-30.el8fdp.noarch
openvswitch3.1-3.1.0-17.el8fdp.x86_64
[root@localhost ~]# ovs-vsctl
(null): ../lib/cpu.c:40: assertion __get_cpuid_max(leaf & X86_LEAF_MASK, NULL) >= leaf failed in x86_has_isa()
Aborted (core dumped)
[root@localhost ~]#

# Upgrade to openvswitch3.1-3.1.0-39.el8fdp:

[root@localhost ~]# rpm -qa | grep openvswitch
openvswitch-selinux-extra-policy-1.0-30.el8fdp.noarch
openvswitch3.1-3.1.0-39.el8fdp.x86_64

# As seen below, the issue is resolved:

[root@localhost ~]# ovs-vsctl
ovs-vsctl: missing command name (use --help for help)
[root@localhost ~]# ovs-vsctl show
18ec54b7-a9ce-47bd-8abe-bea09ad1bafc
    ovs_version: "3.1.2"

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (openvswitch3.1 bug fix and enhancement update), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2023:3994