[Bug 390407] [NEW] System hiccups

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When I was running 8.04, I did a dist-upgrade via the update manager.
Everything worked without a hitch, except from that moment on, the
system would just hiccup for a brief second. This does not affect every
application, but most are affected.

After first, I just noticed it when I would view a flash video or flash
game on a website. The audio would play fine, but the video would sort
of just skip every few seconds and the skip was usually only a half a
second. Then I started to nice that when scrolling up and down on a
website, it would pause for a brief second before rushing to where I had
scrolled to. That was with 8.10.

Then, I upgraded to 9.04 via the update manager. I still experience
those minor bugs, but now I'm also noticing it when using AbiWord,
Pidgin, even while filling this out. I would start typing, the whole
thing would stop for a brief second while I continue to type, then
everything would just catch up. And furthermore, I notice the system
clock seems to skip a second every few seconds.

Some of the things that are not affected are things like games, mocp,
OpenOffice and Blender.

At first I was thinking that it might have been an Xorg issue, but
Xorg.0.log only reported two errors. One was a missing font, which I
fixed and the other was a v4l error (I believe it was just a warning and
not an error). I monitored the CPU using htop and did not notice any
spikes in CPU usage.

The only other bug report that comes close to what I'm experiencing is this one.
https://bugs.launchpad.net/ubuntu/+source/ubuntu-meta/+bug/186725

But, that one was reported to be fixed without any indication as to how
it was fixed or what the problem was.

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: Incomplete

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System hiccups
https://bugs.launchpad.net/bugs/390407
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