On Ubuntu 16.04,timidity -0s -iAD is hogging one of my CPU cores. Looking in pstree, systemd is the parent process. This has been happening when awaking my laptop from sleep. I also cannot kill 15 or kill 9 the process Operation not permitted. Happy to post other logs etc if needed.

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I have a similar problem with timidity spinning on 14.04.

It worked to do sudo killall -9 timidity. You need the sudo because the process is owned by the timidity userid.

I see a comment at at http://www.pclinuxos.com/forum/index.php?topic=124239.0 about something like this in KDE after logout, and a fix involving $HOME/.kde4/shutdown/MidExit which should say killall -9 timidity &

But though I use KDE on 14.04, I don't see a line like that, and I haven't logged out since reboot.

I reported it at https://bugs.launchpad.net/ubuntu/+source/timidity/+bug/1638341

  • I'd accept your answer, but recently upgraded to 16.10 and have not had the issue since. – cyniphile Nov 5 '16 at 18:49
  • 1
    @cyniphile Glad to hear it cleared up for you :) Of course you could still accept this answer just because it resolves the other issue you asked about, by pointing out the need for sudo. – nealmcb Nov 5 '16 at 21:04

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