Level 1

9 points

Macbook pro retina 15 Mid 2014 - Virtualization bug

For some reason Virtualization is disabled when i boot directly up in Windows 8.1, however if i first start up OSX to the login screen and then select restart and boot into Windows i have Virtualization enabled as expected.

My temporary work-a-round which is terrible annoying:

bootup via ALT and select Ios
at login screen press restart
hold down ALT and select Windows

This enables virtualization, however it would be "nice" to be able to just boot directly into windows.

MacBook Pro (Retina, 15-inch, Mid 2014), Windows 8

Posted on Dec 12, 2014 12:47 AM

31 replies

Loner T

Level 9

59,536 points

Dec 16, 2014 3:55 AM in response to JaisEdelmann

Good to see it work. Thanks for posting back. Noted the power cycle addition for future reference.

JaisEdelmann Author

Level 1

9 points

Dec 17, 2014 12:39 AM in response to Loner T

**** now its not working again!

Loner T

Level 9

59,536 points

Dec 17, 2014 2:09 AM in response to JaisEdelmann

Can you post the output of sudo bless --verbose --info ? It may not work correctly on Yosemite though. My test fails.

sudo bless --verbose --info --plist

EFI found at IODeviceTree:/efi

Current EFI boot device string is: '<array><dict><key>MemoryType</key><integer size="64">0xb</integer><key>StartingAddress</key><integer size="64">0xff990000</integer><key>IOEFIDevicePathType</key><string>HardwareMem oryMapped</string><key>EndingAddress</key><integer size="64">0xffb2ffff</integer></dict><dict><key>IOEFIDevicePathType</key><strin g>MediaFirmwareVolumeFilePath</string><key>Guid</key><string>2B0585EB-D8B8-49A9- 8B8C-E21B01AEF2B7</string></dict><dict><key>IOEFIBootOption</key><string>HD</str ing></dict></array>'

Boot option is 8BE4DF61-93CA-11D2-AA0D-00E098032B8C:Boot0080

Processing boot option ''

Boot device path incorrect

Boot option does not match XML representation

XML representation doesn't match true boot preference

JaisEdelmann Author

Level 1

9 points

Dec 17, 2014 2:54 AM in response to Loner T

Sure, please see:

https://gist.github.com/anonymous/1ab284e7877bdb292007

Loner T

Level 9

59,536 points

Dec 17, 2014 7:34 AM in response to JaisEdelmann

The Bootcamp volume on /dev/disk0s4 has the correct settings.

Legacy boot device detected

mount: /Volumes/BOOTCAMP

Mount point for /Volumes/BOOTCAMP is /Volumes/BOOTCAMP

Do you get any error messages in Windows Events?

JaisEdelmann Author

Level 1

9 points

Dec 17, 2014 7:41 AM in response to Loner T

Loner T wrote:

The Bootcamp volume on /dev/disk0s4 has the correct settings.

Legacy boot device detected

mount: /Volumes/BOOTCAMP

Mount point for /Volumes/BOOTCAMP is /Volumes/BOOTCAMP

Do you get any error messages in Windows Events?

Yes,

Hypervisor launch failed; Either VMX not present or not enabled in BIOS.

- <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">

- <System>

<Channel>System</Channel>

<Computer>jedbook</Computer>

</System>

</Event>

Loner T

Level 9

59,536 points

Dec 17, 2014 8:03 AM in response to JaisEdelmann

Please re-execute the bless command and try again. Event ID 41 is a generic error about VMX being disabled.

JaisEdelmann Author

Level 1

9 points

Dec 17, 2014 8:12 AM in response to Loner T

Loner T wrote:

Please re-execute the bless command and try again. Event ID 41 is a generic error about VMX being disabled.

Double checked diskutil list to make sure it the command is correct and indeed it was, ran the command addtional times now again to test again, nothings changed still does not enable virtualization

Loner T

Level 9

59,536 points

Dec 17, 2014 8:23 AM in response to JaisEdelmann

Can you reboot? It is possible, there is a firmware bug on Mid 2014 in the CSM-BIOS layer. I do not have a machine to test with.

One other option is to reset SMC and PRAM - Startup key combinations for Intel-based Macs - Apple Support and do the bless again, reboot, and test.

JaisEdelmann Author

Level 1

9 points

Dec 17, 2014 11:39 PM in response to Loner T

Loner T wrote:

Can you reboot? It is possible, there is a firmware bug on Mid 2014 in the CSM-BIOS layer. I do not have a machine to test with.

One other option is to reset SMC and PRAM - Startup key combinations for Intel-based Macs - Apple Support and do the bless again, reboot, and test.

DId not work, triede several restart's and power downs

Loner T

Level 9

59,536 points

Dec 18, 2014 12:02 AM in response to JaisEdelmann

Do you have an older Mac on which you can test a similar setup?

JaisEdelmann Author

Level 1

9 points

Dec 18, 2014 12:06 AM in response to Loner T

Loner T wrote:

Do you have an older Mac on which you can test a similar setup?

Nope i'm afraid not, my first mac

JaisEdelmann Author

Level 1

9 points

Dec 26, 2014 7:23 AM in response to JaisEdelmann

/bump - this is still an issue!

JaisEdelmann Author

Level 1

9 points

Jan 6, 2015 1:28 AM in response to JaisEdelmann

/bump still an issue for me

Boosinca

Level 1

0 points

Apr 22, 2015 4:24 PM in response to JaisEdelmann

This bug was very annoying for me, so I installed Refind and set "enable_and_lock_vmx" option to "true" in refind.conf.

After that virtualization is enabled in Windows also after boot directly to it, not after OS X.

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Macbook pro retina 15 Mid 2014 - Virtualization bug