VirtualBox

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Ticket Resolution Summary Owner Reporter
#11110 obsolete OSX Guests cannot boot anymore typoworx
Description

The OSX Guest-Machine (using EFI-Mode) does not boot properly anymore. It runs into something like a kernel error.

To be shure there is no configuration mistake (since the upgrade to 4.2.x) I've downgraded VirtualBox back to latest 4.1.22 (r80657) and voila - the OSX Guest worked again without any change to the VBox configuration!

So there must be any other error that blocks booting of OSX/EFI Guests on 4.2.x.

#11111 obsolete VirtualBox forces Mac laptops to use discrete GPU => Fixed in SVN cap10morgan
Description

VirtualBox forces Mac laptops to activate their discrete GPUs, thus shortening battery life. I could understand this if there were a 3D accelerated guest OS running, but it also happens when a headless guest is running or even when no guests are running.

VirtualBox should not force the discrete GPU on when not running 3D accelerated guests.

Others have confirmed this issue in the forums here: https://forums.virtualbox.org/viewtopic.php?f=8&t=50574&p=234479&hilit=discrete#p234479

#11113 obsolete USB error in ubuntu 64bit Steve9999
Description

Hi all

I got an error below, when I try to mount USB mass storage how can I fix the error

가상 머신 ubuntu64bit에 USB 장치 ntracker_usb [1100]을(를) 추가할 수 없습니다.

USB device 'ntracker ntracker_usb' with UUID {15e88681-a2b6-4b95-8cca-da83358dfe09} is busy with a previous request. Please try again later.

결과 코드: E_INVALIDARG (0x80070057) 구성 요소: HostUSBDevice 인터페이스: IHostUSBDevice {173b4b44-d268-4334-a00d-b6521c9a740a} 호출자: IConsole {db7ab4ca-2a3f-4183-9243-c1208da92392}

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