linux-kernel - Re: frequent lockups in 3.18rc4

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 3 Dec 2014 10:45:57 -0800
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Dave Jones <davej@...hat.com>, Chris Mason <clm@...com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Mike Galbraith <umgwanakikbuti@...il.com>,
	Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Dâniel Fraga <fragabr@...il.com>,
	Sasha Levin <sasha.levin@...cle.com>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: frequent lockups in 3.18rc4

On Wed, Dec 3, 2014 at 10:41 AM, Dave Jones <davej@...hat.com> wrote:
>
> I've been stuck on this kernel for a few days now trying to prove it
> good/bad one way or the other, and I'm leaning towards good, given
> that it recovers, even though the traces look similar.

Ugh. But this does *not* happen with 3.16, right? Even the non-fatal case?

If so, I'd be inclined to call it "bad". But there might well be two
bugs: one that makes that NMI watchdog trigger, and another one that
then makes it be a hard lockup. I'd think it would be good to figure
out the "NMI watchdog starts triggering" one first, though.

                 Linus
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/