Bad 1.3.95 interactive performance (fwd)

Matthias Sattler (m_sattle@informatik.uni-kl.de)
Mon, 29 Apr 1996 10:26:43 +0200 (MET DST)


Hiho

Recently I sent to the linux-kernel mailing list:

>
> Hiho
>
> With 1.3.95 and some kernels before (i don't know exactly when it started)
> I notice unnecessary heavy swapping activity when the system is up some time.
> Here comes an example scenario:
> - boot the computer
> - login into X (via xdm). This first time everything looks normal.
> - logout
> - Let the machine alone for some hours (in my case it is usually > 12h)
> with nothing running except the usual cronjobs.
> - login again and be surprised of the time it takes to get the desktop
> (can be several minutes) and the neverending swapping activity of your
> harddisc.
>
> As long as the working set does not change everything is normal, but even
> the smallest change results in heavy swapping (while the output of free
> looks normal).
>
>
> As nobody has written about this before, it seems that I'm the only one
> having these problems. The only unusual detail of my configuration is that
> I use the ncrBsd2Linux driver (version 1.8).
> What can I do to fine out more about the nature of this problem (yes I will
> try the normal ncr driver...) ?
>

In fact I don't see the problems with the original ncr driver, so it is
very likely that the bug is somewhere in the ncrBsd2Linux driver. Is
there something I can do to find out more about the nature of this problem ?

Matthias

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