What is the exected behavior with the NMI button?
Alfred Perlstein
alfred at freebsd.org
Wed Sep 8 18:42:48 UTC 2010
* Sean Bruno <seanbru at yahoo-inc.com> [100625 07:18] wrote:
> While trying to get a deadlock sorted out in the GPROF code, I attempted
> to use this fancy shmancy NMI button on my Dell server.
>
> I noted that, not unlike the goggles, it did nothing once the system was
> deadlocked. I noted that when the system was running normally, an NMI
> log message would be spewed to the console.
>
> What is supposed to happen in these two cases when we toggle the NMI
> button?
If you have DDB in kernel and
machdep.panic_on_nmi: 1
machdep.kdb_on_nmi: 1
are set, you should get debugger.
-Alfred
>
> Sean
>
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--
- Alfred Perlstein
.- AMA, VMOA #5191, 03 vmax, 92 gs500, 85 ch250, 07 zx10
.- FreeBSD committer
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