linux-kernel - Re: frequent lockups in 3.18rc4

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Message-ID: <CA+55aFyOTpVQiku0xn=UHnXdYweKHZ5AsEUN9wUvOqH9XX4ENg@mail.gmail.com>
Date:	Mon, 17 Nov 2014 18:51:25 -0800
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Dave Jones <davej@...hat.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	"the arch/x86 maintainers" <x86@...nel.org>
Subject: Re: frequent lockups in 3.18rc4

On Mon, Nov 17, 2014 at 6:39 PM, Dave Jones <davej@...hat.com> wrote:
>
> So it could be that I'm just generating a lot more load now.
> I could drop that back down and see if it 'goes away' or at least
> happens less, but it strikes me that there's something here that needs
> fixing regardless.

Oh, absolutely. It's more a question of "maybe what changed can give us a clue".

But if it' something like "more load", that's not going to help
pinpoint, and you might be better off just doing the all-cpu-backtrace
thing and hope that gives some pattern to appreciate..

                  Linus
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