id summary reporter owner description type status component version resolution keywords cc guest host 19147 EFI VMs fail to boot Nicolas "Hi, I juste upgraded to 6.1, and EFI VMs now refuse to boot with the following error: {{{ 00:00:00.653540 VMSetError: F:\tinderbox\win-rel\src\VBox\Devices\EFI\DevEFI.cpp(2521) int __cdecl efiConstruct(struct PDMDEVINSR3 *,int,struct CFGMNODE *); rc=VERR_PDM_CFG_MISSING_DRIVER_NAME 00:00:00.653559 VMSetError: Can't attach Nvram Storage driver 00:00:00.653573 PDM: Failed to construct 'efi'/0! VERR_PDM_CFG_MISSING_DRIVER_NAME (-2822) - The attached driver configuration is missing the 'Driver' attribute. 00:00:00.654175 GIM: KVM: Resetting MSRs 00:00:00.938051 ERROR [COM]: aRC=E_FAIL (0x80004005) aIID={872da645-4a9b-1727-bee2-5585105b9eed} aComponent={ConsoleWrap} aText={Can't attach Nvram Storage driver (VERR_PDM_CFG_MISSING_DRIVER_NAME)}, preserve=false aResultDetail=-2822 00:00:00.938267 Console: Machine state changed to 'PoweredOff' 00:00:00.957749 Power up failed (vrc=VERR_PDM_CFG_MISSING_DRIVER_NAME, rc=E_FAIL (0X80004005)) }}} BIOS VMs seem to work just fine. Cheers, Nicolas" defect closed EFI VirtualBox 6.1.0 wontfix other Windows