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Ticket Resolution Summary Owner Reporter
#12513 fixed 3D acceleration in Ubuntu 13.10 guest broken - workaround -> fixed as of 11 March 2014, version 4.3.x and later DrRob
Description

I run Ubuntu inside VirtualBox on a Windows laptop. Until some months ago the 3D acceleration was working fine, which meant that the desktop effects were nice and slick, but something happened, I think when I upgraded to 13.10, and it broke.

Very long story shorter - a VirtualBox library was failing to load:

From Xorg.0.log: [ 25.572] (EE) AIGLX error: dlopen of /usr/lib/x86_64-linux-gnu/dri/vboxvideo_dri.so failed (VBoxOGLcrutil.so: cannot open shared object file: No such file or directory)

I won't pretend that I fully understand what's broken, but it seems that ldconfig can't see the VirtualBox guest additions libraries that are in /opt/VBoxGuestAdditions-4.3.6/lib, which are linked from /usr/lib64/, two of which in turn are linked from /usr/lib/x86_64-linux-gnu/dri/.

Partly that seems to be because /usr/lib/x86_64-linux-gnu/dri/ isn't in the ldconfig paths (x86_64-linux-gnu_EGL.conf -> /etc/alternatives/x86_64-linux-gnu_egl_conf references /usr/lib/x86_64-linux-gnu/mesa-egl instead).

Also, even if these libs were in the right path for ldconfig, ldconfig doesn't seem to pick them up because their names don't begin with "lib".

I've no idea how this worked in an earlier version of Ubuntu, and I don't have time to reinstall an earlier version to find out.

For now I've cheated by adding:

export LD_LIBRARY_PATH=/usr/lib64

to the end of /etc/profile and rebooted. It's ugly but it has done the trick - 3D acceleration works again, and Ubuntu feels fast again.

Confusingly, after this change, the newly-written Xorg.0.log file /still/ contains the AIGLX error line quoted above.

However, /usr/lib/nux/unity_support_test -p reports a full list of "yes", whereas before it gave a "no" for "Not software rendered" and "Unity 3D supported".

#3848 worksforme reproducable crash on share folder write access (WinXP) Henning Moll
Description

Windows XP guest on a Ubuntu 8.04 host using VB 2.2.0

As soon as i try to copy the attached file 'bug.bmp' to the shared folder, the guest panics with BSOD.

#3858 fixed VM hangs immediately if USB device is activated via configuration file before starting Henning Moll
Description

I've set up a virtual machine using VB 2.1. Host is Ubuntu Hardy (8.04), guest is WindowsXP. I own a HP C4280 printer which is connected via USB to the host. I added an activated DeviceFilter for this Device. This configuration works perfect with VB 2.1.

Note that i had to make sure, that VirtualBox has all needed rights for accessing the Host USB system. I have achieved this by adding

none /proc/bus/usb usbfs devgid=124,devmode=664 0 0

to my /etc/fstab. (Without that modification the Printer is listed as Device, but "greyed" and therefore cannot be captured/activated withing the guest).

So this describes my perfectly running configuration using VB2.1

Now i upgraded to VB2.2 and the virtual machine doesn't start anymore: The VM window appears, a progressbar appears saying "Starting virtual machine 0% " and stalls forever - no progress. Please find attached a screenshot and a logfile, both taken in this situation. Even the "splash screen" of VirtualBox's BIOS (the blue one) doesn't show up, so i assume it hangs even before that and thus this bug is not guest related (i double checked it with a hard-disk-less VM: Same result: No BIOS screen). Neither the VM window nor the VirtualBox main windows reponds anymore. I have to kill their processes.

In the XML file of the virtual machine there is a DeviceFilter element for the printer. If i change its attribute 'active' to 'false', then VB is able to start the VM and the guest boots correctly. As soon as possible i am able to activate the USB Device manually. So the problem occours only, if the Device is activated by configuration. This is a regression to 2.1

Do you need any further information?

btw.:Im aam not sure, but this one seems similar to bug #3436

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