Re: [BUG] local_softirq_pending storm

From: Thomas Gleixner
Date: Sun May 20 2007 - 09:46:28 EST


On Sun, 2007-05-20 at 12:18 +0200, Heiko Carstens wrote:
> > I work out a more complex debug patch and pester you to test once I'm
> > done.
>
> I've also tons of 'NOHZ: local_softirq_pending 08' that disappear with
> nohz=off. But I'm still running 2.6.21. Are there any patches that should
> fix this?
> Machine is a Lenovo T60p:
>
> i686 Intel(R) Core(TM)2 CPU T7600 @ 2.33GHz GenuineIntel GNU/Linux

Hmm, that's a different problem than the 0x22 which shows up on
hyperthreading enabled P4 systems. Are you using plip ?

> Besides that I get a lot of clock skews on 'make headers_check', but
> these are unrelated to nohz:
>
> CHECK include/asm/dasd.h
> make[2]: warning: Clock skew detected. Your build may be incomplete.
> make[2]: Warning: File `/dev/null' has modification time 5.1e+03 s in the future

Strange.

tglx


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