[pskmail] Re: Update PI4TUE
- From: Rein Couperus <rein@xxxxxxxxxxxx>
- To: pskmail@xxxxxxxxxxxxx
- Date: Mon, 20 Apr 2009 17:00:48 +0200
There must be some weird interaction between vnc and fldigi.
Maybe a vnc session does not have enough ram?
Rein
> -----Ursprüngliche Nachricht-----
> Von: "Ed" <autek@xxxxxxxxxxx>
> Gesendet: 20.04.09 16:22:49
> An: pskmail@xxxxxxxxxxxxx
> Betreff: [pskmail] Re: Update PI4TUE
> Rein Couperus wrote:
> > Upgraded PI4TUE to fldigi-3.11.1
> >
> > The server was still running with 3.04, because there is an anomaly in
> > fldigi-3.10,
> > which eats 95% CPU on the server. 3.04 took only 5% CPU.
> >
> > So I was eager to install fldigi-3.11.1. It turned out that also 3.11.1
> > eats 95% CPU, resulting in
> > problems to decode a PSk250 stream which happens if I try to upload an
> > email with
> > an attachment.
> >
> > Next thing I tried was to run 3.11.1 under Xvfb. CPU load dropped to under
> > 5%, which means
> > that there is a serious problem with how fldigi interfaces with the
> > X-server.
> >
> > I don't get this problem on the desktop, which has a much faster CPU (the
> > CPU of the server is 2 GHz).
> > It looks like the problem occurs especially when fldigi runs under a vnc
> > session.
> >
> > Anyway, it runs fine now under Xvfb.
> > To start fldigi under Xvfb do the following in a terminal (use screen as
> > your display manager):
> > Xvfb -ac :99
> > fldigi -display :99 &
> >
> > fldigi is now running headless and takes only 5% CPU, leading to a much
> > better
> > decoding of PSK250
> >
> > 73,
> >
> > Rein PA0R
> >
> >
> >
> >
>
> I'm seeing 10% max cpu useage here.
>
> But I'm only running a client and no VNC session.
>
> 3.0Ghz with 1 Gig of ram.
>
>
> Ed W3NR
>
>
>
>
--
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