Re: [PATCH] NMI watchdog config option (was: Re: [PATCH] NMI lockupand AltSysRq-P dumping calltraces on _all_ cpus via NMI IPI)

From: Linus Torvalds
Date: Tue May 17 2005 - 10:53:44 EST




On Tue, 17 May 2005, Kirill Korotaev wrote:
>
> BTW, why NMI watchdog is disabled by default? We constantly making it on
> by default in our kernels and had no problems with it.
> I send a patch attached which tunes NMI watchdog by config option...

I really don't want NMI watchdogs enabled by default. It's historically
been _very_ fragile on some systems. Whether that has been due to harware
or sw bugs, I dunno, but it's definitely been problematic.

Linus
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