Re: [PATCH] O6int for interactivity

Wiktor Wodecki
2003-07-18T10:18:08Z

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On Fri, Jul 18, 2003 at 12:18:33PM +0200, Mike Galbraith wrote:
> That _might_ (add salt) be priorities of kernel threads dropping too low.
>
> I'm also seeing occasional total stalls under heavy I/O in the order of
> 10-12 seconds (even the disk stops). I have no idea if that's something in
> mm or the scheduler changes though, as I've yet to do any isolation and/or
> tinkering. All I know at this point is that I haven't seen it in stock yet.

I've seen this too while doing a huge nfs transfer from a 2.6 machine to
a 2.4 machine (sparc32). Thought it'd be something with the nfs changes
which were recently, might be the scheduler, tho. Ah, and it is fully
reproducable.

--
Regards,

Wiktor Wodecki

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