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Re: [rtl] Interrupt latency linux/rtl/Win95

To: Bruce L Gotwols <gotwols@clutter.jhuapl.edu>
Subject: Re: [rtl] Interrupt latency linux/rtl/Win95
From: Tomasz Motylewski <motyl@stan.chemie.unibas.ch>
Date: Wed, 24 Feb 1999 16:53:52 +0100 (MET)
cc: rtl@rtlinux.cs.nmt.edu
In-Reply-To: <Pine.HPP.3.95.990224074611.551B-100000@clutter.jhuapl.edu>

On Wed, 24 Feb 1999, Bruce L Gotwols wrote:

> 	That's the good news.  The bad news is that the system has a
> definite tendency to crash after a few hours of operation. It is much too
> early to blame this on any particular thing. I suspect something to do
> with memory swapping. The system has 64MB of RAM and 127 MB of swap space.
> The "top" utility shows only 3 MB of RAM free and only 4 K of the swap
> space used. Yesterday I was able to trigger a crash just by playing around
> in the control panel (or was it a coincidence?).

Probably not memory. You may try however to increase the values in
/proc/sys/vm/freepages twice e.g.
echo "300 500 600" > /proc/sys/vm/freepages 

Does it hang only when you load the network?

You may try to switch off in your kernel config CONFIG_PCI_OPTIMIZE

Regards,
--
Tomasz Motylewski 


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References:
- Re: [rtl] Interrupt latency linux/rtl/Win95
  - From: Bruce L Gotwols <gotwols@clutter.jhuapl.edu>

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