Re: heavy Disk I/O and system stops reacting for seconds

[Adrian Bunk]

On Sun, 21 Jul 2002, Marc-Christian Petersen wrote:

> Hi there,
>
> I think someone else notices this too, but anyway, i write down my
> experiences.
>
> I've tested 2.4.19rc[1|2|3], AC tree, AA tree, jam tree and mjc tree
> All of them shows up the same behaviour. If i do some disk i/o, f.e.:
>
> tar xzpf linux-2.4.18.tar.gz; rm -rf linux-2.4.18
>
> the system stopps reacting while untar/ungzipping the file for more than 5
> seconds. Nothing but the mouse reacts. This does NOT occur with 2.4.18 and
> early 2.4.19-pre's ...
>...

I've seen this the first time four months ago - at that time the problem
was only present in the -ac kernels (but now it's also present in the -pre
kernels). My report is at [1]. It seems to be a problem that affects only
the handling of keyboard events. Quoting from what I wrote at [1]:

<--  snip  -->

I tried to start Gimp from the fvwm menu after I typed a letter - and
Gimp has completed its startup before the letter arrived in the xterm.

<--  snip  -->

cu
Adrian

[1] http://marc.theaimsgroup.com/?l=linux-kernel&m=101705972802903&w=2

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