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SubjectRe: [PATCH] soft lockup: kill realtime threads before panic
On Wed, Jul 22, 2015 at 09:35:28AM +0200, Mike Galbraith wrote:
> On Tue, 2015-07-21 at 23:33 -0700, Jörn Engel wrote:
>
> > One could argue that killing the realtime thread is even better than
> > panic, as things can restart with a blank slate even faster. But the
> > real benefit is that we get better debug data for the failing component.
> > If we had a kernel bug, the backtrace would usually be sufficient to
> > point fingers. With a bonkers realtime thread, not so much.
>
> If userspace wants a watchdog, it should train a userspace dog, not turn
> the kernel watchdog into a userspace attack dog.

Fair point. Let's drop this patch then.

Jörn

--
Money can buy bandwidth, but latency is forever.
-- John R. Mashey


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