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SubjectRe: 2.5.65: *huge* interactivity problems
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I also have a similar problem, when running setiathome with priority 1.

All _running_ applications remain interactive, anything requring disk
access, in particular starting a new program, causes things to block.

I've so far only been in X when this happens, mouse still moves, remote
applications update their windows fine, no lost keystrokes, it's when I
run something locally requiring disk IO.

Renicing setiathome to -19 causes the problem to vanish.

Dragging an xterm around seems to help it recover from a hang too.

> - How much memory does the machine have?

256

> - UP/SMP/preempt?

preempt

>
> - What do vmstat and top say?

3 1 2216 21008 27464 69920 0 0 0 0 1024 241 100 0 0 0
3 1 2216 20176 27464 69920 0 0 0 0 1024 249 100 0 0 0
3 1 2216 20176 27464 69920 0 0 0 0 1024 252 99 1 0 0
3 1 2216 21060 27464 69920 0 0 0 0 1025 236 100 0 0 0

> - Did it happen in 2.5.64? 2.5.63? 2.4.20?

2.5.64

> - Does it get better if you renice stuff?

Yes

> - What steps should others take to reproduce it?

Running setiathome with priority one seems to do it for me.

George


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