[Fixed] VirtualBox hangs with 3D acceleration on VM start

[michael]

Looking at the logging output I suspect this may be something going wrong in the X server. Unfortunately I have been unable to reproduce it locally, including in a (VirtualBox) VM running Debian Sid, so I am still not really sure how to attack this. So far there are only three people known to me who can reproduce this, see also topic 57314[1].

[1] viewtopic.php?f=15&t=57314

[CME]

FYI, i've upgraded from X1.12 to X1.14 and it's still reproducible,
and it seems like it's more likely to reproduce with more than one core in the guest.

[michael]

How many CPUs and cores do you have on host and guest when you see this? Can you reproduce it in VBoxTestOGL as well? And if you comment out the calls to XInitThreads in "src/VBox/Frontends/VirtualBox/src/main.cpp", does that make any difference?

[michael]

And could you please post a log from a successful start of the virtual machine?

[misha]

Could you please try the following test build to see if it solves the hang issue to you.
Like with BETA builds, the build is intended to be used for testing purposes only, and should NOT be used in production environment.

http://www.virtualbox.org/download/test ... _amd64.run

Please attach a VM log in case the hang issue still persists with this build.

[michael]

Or if you would like to build yourself, the critical change is r48791[1].

[1] https://www.virtualbox.org/changeset/48791/vbox

[CME]

Seems like it's working fine on trunk

[misha]

Thanks for the feedback, marking fixed..