More on this, adding to my comment above... My computer ceases its ability to suspend again, without any updated etc. There was a notice that a program had crashed yesterday evening, but the computer suspended fine. This morning I noticed there was no sound (the speaker icon was red in kubuntu 16.04 task bar) and kwin-x11 was at 100% cpu. rebooting did not fix this.
I reinstalled pulseaudio, and cpufreqd cpufreuutil and rebooted. All fixed agin with sounds and suspend.
More on this, adding to my comment above... My computer ceases its ability to suspend again, without any updated etc. There was a notice that a program had crashed yesterday evening, but the computer suspended fine. This morning I noticed there was no sound (the speaker icon was red in kubuntu 16.04 task bar) and kwin-x11 was at 100% cpu. rebooting did not fix this.
I reinstalled pulseaudio, and cpufreqd cpufreuutil and rebooted. All fixed agin with sounds and suspend.