With 5.11.12-051112-generic in the guest error changes to:
unchecked MSR access error: WRMSR to 0xda0 (tried to write 0x0000000000000000) at rIP: 0xffffffff9587fa54 (native_write_msr+0x4/0x30) Call Trace: ? fpu__init_cpu_xstate+0xb8/0xf0 fpu__init_system_xstate+0x143/0x354 fpu__init_system+0x6e/0x93 early_identify_cpu.constprop.0+0x112/0x144 early_cpu_init+0x77/0x7c setup_arch+0xc9/0x8cc ? lockdown_lsm_init+0x21/0x25 start_kernel+0x67/0x4a2 ? copy_bootdata+0x1d/0x5d x86_64_start_reservations+0x24/0x26 x86_64_start_kernel+0x8b/0x8f secondary_startup_64_no_verify+0xc2/0xcb
With 5.11.12- 051112- generic in the guest error changes to:
unchecked MSR access error: WRMSR to 0xda0 (tried to write 0x0000000000000000) at rIP: 0xffffffff9587fa54 (native_ write_msr+ 0x4/0x30) cpu_xstate+ 0xb8/0xf0 system_ xstate+ 0x143/0x354 system+ 0x6e/0x93 identify_ cpu.constprop. 0+0x112/ 0x144 cpu_init+ 0x77/0x7c arch+0xc9/ 0x8cc lsm_init+ 0x21/0x25 kernel+ 0x67/0x4a2 0x1d/0x5d start_reservati ons+0x24/ 0x26 start_kernel+ 0x8b/0x8f startup_ 64_no_verify+ 0xc2/0xcb
Call Trace:
? fpu__init_
fpu__init_
fpu__init_
early_
early_
setup_
? lockdown_
start_
? copy_bootdata+
x86_64_
x86_64_
secondary_