Re: [patch] clockevents: drivers for i386, fix #2

From: Ingo Molnar
Date: Wed Oct 04 2006 - 04:04:43 EST



* Andrew Morton <akpm@xxxxxxxx> wrote:

> None of the interrupts are doing anything wrong. oprofile shows
> nothing alarming.
>
> Disabling cpufreq in config doesn't fix it.
>
> Userspace can count to a billion in 3.9 seconds when this problem is
> present, which is the same time as it takes on a non-slow kernel.
>
> `sleep 5' takes 5 seconds.
>
> Yet initscripts take a long time (especially applying the ipfilter
> firewall rues for some reason), and `startx' takes a long time, etc.
> This kernel takes 112 seconds to boot to a login prompt - other
> kernels take 56 seconds (interesting ratio..)

hm, do you have the NMI watchdog enabled by any chance? [in particular,
do you have nmi_watchdog=2?] Although your bootlog does not show it.

Ingo
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