Just a thought... You said you changed /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
That goes back to the normal setting on boot. Have you had the issue since you did this, and did you make it permanent? Also, was it on the guest, or host, or both that you did this on? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/333201 Title: Virtual machine soft lockup - CPU gets stuck for XX seconds -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs