Created attachment 70319 [details] kernel log from dmesg in case you haven't heard, AndroVM is a project to get Andriod running inside VirtualBox http://androvm.org , anyway, when using hardware acceleration, the gpu locks up.
also using GTX 560 Ti, if that info is any help
VirtualBox is well known for scribbling all over kernel memory (there's a reason its modules mark the kernel as tainted), it will be hard to debug anything relying on vbox... can you reproduce this with a "regular" program? Also, you might want to try the latest kernel/mesa, might help with vbox.
Might be hard to test. I've switched to Radeon a few weeks ago. Although once I get a new motherboard and processor I plan on hooking both the Radeon and Nvidia card up and use the Nvidia card for my VMs using VGA passthrough as my current board doesn't support IOMMU. Although It wouldn't be the only issue with GPU lockups with Nouveau, recently the GPU locksup locks up when running the "performance assessment" in Windows 7 to refresh the "Windows Experience Index" in VirtualBox while it works perfectly fine in the binary blob and Radeon. Want me to file a new bug report for that?
Are you able to trigger the issues without using vbox?
Haven't tried it anywhere else, QEMU has no hardware acceleration and VMware is crap compared to VBox and is proprietary. I'm guessing you don't have a 560 Ti on hand to test this on or you wouldn't need to ask these questions, or you just don't have a Windows 7 VM on hand. Which would explain why some of these bugs exist, it is pretty impressive you guys got nouveau to work this well. Nvidia should be paying you.
Does this still happen with a more recent kernel (4.0+)?
No clue as I'm using a Radeon now
OK, resolving as invalid then, since you're no longer able to test.
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