few tests - dmesg-warn - unchecked MSR access error*
<7> [222.905203] Calling i8237A_resume+0x0/0xa0
<7> [222.905268] Calling ioapic_resume+0x0/0xb0
<7> [222.905295] Calling irq_pm_syscore_resume+0x0/0x10
<7> [222.905522] Calling timekeeping_resume+0x0/0x1c0
<7> [222.905561] Timekeeping suspended for 16.167 seconds
<7> [222.905585] Calling mce_syscore_resume+0x0/0x30
<7> [222.905599] Calling intel_epb_restore+0x0/0xb0
<4> [222.905604] unchecked MSR access error: RDMSR from 0x1b0 at rIP: 0xffffffff81051e34 (intel_epb_restore+0x14/0xb0)
<4> [222.905608] Call Trace:
<4> [222.905612] <TASK>
<4> [222.905614] ? ex_handler_msr+0xf1/0x160
<4> [222.905620] ? fixup_exception+0xb5/0x2d0
<4> [222.905625] ? exc_general_protection+0xdb/0x400
<4> [222.905636] ? asm_exc_general_protection+0x26/0x30
<4> [222.905644] ? __pfx_intel_epb_restore+0x10/0x10
<4> [222.905649] ? intel_epb_restore+0x14/0xb0
<4> [222.905654] syscore_resume+0x4c/0x220
<4> [222.905659] suspend_devices_and_enter+0x56d/0xa50
<4> [222.905667] pm_suspend+0x240/0x6a0
<4> [222.905672] state_store+0x70/0xd0
<4> [222.905678] kernfs_fop_write_iter+0x12c/0x1d0
<4> [222.905685] vfs_write+0x384/0x550
<4> [222.905694] ksys_write+0x64/0xe0