Re: 2.6.19-rc2-mm1

[Andrew Morton]

On Wed, 18 Oct 2006 17:07:59 -0700
Badari Pulavarty <pbadari@xxxxxxxxxx> wrote:

> > What does it say in /proc/interrupts?
> > 
> > The x86_64 nmi watchdog handling looks rather complex.
> > 
> > <checks a couple of x86-64 machines>
> > 
> > The /proc/interrutps NMI count seems to be going up by about
> > one-per-minute.  How odd.   Maybe you just need to wait longer.
> 
> 
> While the soft lock up messages are getting printed..
> (waited for 5 min for these messages)..
> 
> # while :; do grep NMI /proc/interrupts; sleep 30; done
> NMI:        265         73         41         47
> NMI:        265         81         62         47
> NMI:        265         81         71         69
> NMI:        265         81         93         77
> NMI:        265         81        101         99
> NMI:        288         82        101        107
> NMI:        296         82        131        129
> NMI:        296         82        153        137
> NMI:        296         82        161        160
> NMI:        296        105        161        167
> NMI:        296        112        184        167
> 
> Looking at the messages, I don't think trace all cpus
> is working ..

nfi what's going on there.  On my Conroe machine each CPU's NMI count goes
up by what apepars to be one-per-second when the CPUs are flat out busy,
but the count increases by random small amounts (like yours) when the
machine is idle.

Did you try setting nmi_watchdog=?
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/