Re: [patch] Real-Time Preemption, -RT-2.6.9-mm1-V0
From: Ingo Molnar
Date: Mon Oct 25 2004 - 09:13:51 EST
* Florian Schmidt <mista.tapas@xxxxxxx> wrote:
> > does the patch below fix this?
>
> looks like it. they didn't show on first boot of the new kernel with
> patch applied.
ok, i've added it and uploaded -V0.2 together with another fix: there
was a scheduler recursion possible via the delayed-put mechanism using
workqueues - now it's using its own separate lists and per-CPU threads.
> Btw: i still experience some "pauses". They are different now though.
> It seems i can trigger them by reloading a page in mozilla (not
> always). This BUG definetly looks related. Dunno, when exactly it
> happened (related to what i did at that moment), but it's the only one
> in dmesg output on this bootup. Each of the pauses is accompanied by a
> high cpu usage of ksoftirqd. I cannot retrigger the BUG though.
please try -V0.2 - maybe the delayed-put fix is somehow related. (but
only maybe...)
Ingo
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