Re: NMI appears to be stuck! (2.4.22-rc2 on dual Athlon)

From: Jamie Lokier
Date: Sun Aug 17 2003 - 19:18:04 EST


Zwane Mwaikambo wrote:
> > > mine works fine only with nmi_watchdog=2. Don't know why.
> > > It's an ASUS A7M266D.
> >
> > hmm, nmi_watchdog=2 on the kernel boot line gives no
> > difference to booting without, at least according to
> > the boot messages ...
>
> nmi_watchdog=2 will work on the majority of i686+ (performance
> counters with NMI delivery mode) boxes and you can check whether it's
> enabled by doing cat /proc/interrupts and watching if the NMI line ticks
> at a decent rate. nmi_watchdog=1 tends to be harder for hardware
> manufacturers to get right (for some reason or other).

Is it possible to try both at boot time and pick the one which works?

-- Jamie
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