I think Jamie Strandboge is on to something in comment #18 (even though Kees Cook reports something contradictory in #28).
I have a very similar wifi chipset, and if i disable wifi the problem appears to be gone. At least my VM successfully compiled a whole kernel, which it's never done with wifi on. I'll attach my system information from apport. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/694029 Title: [natty] kvm guests become unstable after a while -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs