Try running you system with a different modem, too.
Hope this helps,
Carl Thompson
On Fri, 15 May 1998, Mike A. Harris wrote:
> On Thu, 14 May 1998, Theodore Y. Ts'o wrote:
>
> > For quite some time now my hard disks have being making noise
> > during downloading and other network activity. I'm using dialup
> > ppp for my connection. Even if I telnet to a remote computer,
> > and run PINE for example, every time the screen gets updated, I
> > can hear this faint "zzzzz" of the hard drive. I don't
> > understand why all network traffic is generating this much noise.
> > It has been doing so for months and months with various kernel
> > releases (2.0.x). I'm currently using 2.0.34pre13.
> >
> > I think it might be possible that I've configured something into
> > my kernel that I don't really need that may be causing this. I'm
> > attaching my kernel config below, so that someone may be able to
> > tell me if it is a configuration problem, or a kernel bug.
> >
> > Try looking in /var/log and see if you have some log files which are
> > growing. That'll help you identify what's causing the syslogging (which
> > is almost certainly what's causing your hard disks to make noise during
> > network activity.)
>
> That is what I figured too, however I haven't changed any of the
> default log facilities, or added any new things that would cause
> such behaviour.
>
> The only large log files are maillog, and messages. The maillog
> file makes sense, since I can expect disk activity during
> "fetchmail", however ALL network traffic is generating this
> noise. messages, has ppp connection messages, but nothing
> verbose. I'm watching the logs right now while doing some
> pinging, and a couple remote telnet sessions, and every time the
> screen updates, the noise appears. I thought it might be my
> monitor, so I turned it off, and it is definately coming from
> inside the computer. Hard disk access. I can't for the life of
> me understand why, since the log files are not growing while this
> is happening.
>
> Someone suggested that I might have been hacked, but I know I
> have not, since for one, I use a dynamic IP, for two it did this
> noise on my first connection to the net, so I know that no-one
> has breached me. I'm just a home-pc with dialup PPP in Linux. I
> do have a firewall installed, and tcp wrappers to mask off
> attacks as well.
>
> It didn't do this before in older kernels, at least not to my
> knowledge, so that is why I suspect the newer kernels. I will
> download 2.0.29 and 2.0.30 and try them out as well.
>
> Any further help would be greatly appreciated.
> Thanks for your reply.
>
> TTYL
>
>
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