[Bug 1636869] [NEW] Plasmashell polling on zero timeout

[hsrdes]

Public bug reported:

Very likely due to plasmashell, the OS hangs/responds very slowly in
between while typing or switching tasks or while doing any work. During
this hang/slow behaviour, I notice the fan revving in high speed, delay
in typing, network disconnection and  stuck digital clock seconds
counter which restores to normal after the lag subsides but occurs every
10 seconds or so lasting for about 3-4 seconds.

Sysinfo for 'TuxStick': Running inside KDE Plasma 5.7.5 on Ubuntu 16.10
(Yakkety Yak) powered by Linux 4.8.0-26-generic, CPU: Intel(R) Core(TM)
i5-5200U CPU @ 2.20GHz at 2099/2700 MHz, RAM: 7443/7902 MB, Storage:
26/57 GB, 283 procs, 65.76h up

health-check output attached

** Affects: plasma-workspace (Ubuntu)
     Importance: Undecided
         Status: New

** Attachment added: "sudo health-check -p plasmashell"
   https://bugs.launchpad.net/bugs/1636869/+attachment/4767662/+files/healthlog

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https://bugs.launchpad.net/bugs/1636869

Title:
  Plasmashell polling on zero timeout

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