[mythtv-users] Unusual HD Activity

[Andrew Hogue]

Hi,

At first I thought it was the commercial flagging... but then I realized
that I had turned it off.

> Yup.  Is it extreme HD activity, or just periodic?

It is extreme HD activity and constant.

I find it funny and strange that it stops the moment I initialize the tv
module though...

What does ksoftirqd actually do?  It looks like a kernel interrupt
daemon... but why would that show up after recording a show?  Could it be
something due to my Tuner card?  I'm using the Avermedia M179.

-- Andrew



On Wed, 25 Feb 2004, Andrew Dodd wrote:

> Quoting Janek Hellqvist <janek at slaytanic.com>:
>
> > Andrew Hogue <hogue at cs.yorku.ca> wrote:
> > > I was wondering if anyone else has come across the following problem.
> > > Very recently, after recording a show with mythtv there is an
> > > unusually large amount of activity trying to access the HD.  If I do
> > > a top, I see that the process involved is ksoftirqd_CPU0.
> >
> > This might be the commercial flagging - AFAIK it starts after recording has
> > been completed...
> Yup.  Is it extreme HD activity, or just periodic?
>
> Signs of commercial flagging being run are HD access (but not enough to severely
> impact performance), and a constant CPU load of approx. 10% consumed by a nice
> process.
>
> On a 1.1 GHz Athlon, you'll see that activity for about 1.5 hours for every hour
> of recorded video.
>
>
>
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