linux-kernel - Re: BUG-lockdep and freeze (was: Arrr! Linux 2.6.18) II

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Message-ID: <5f3c152b0609301519p42250850ufe02a79364249622@mail.gmail.com>
Date:	Sun, 1 Oct 2006 00:19:41 +0200
From:	"Eric Rannaud" <eric.rannaud@...il.com>
To:	"Andi Kleen" <ak@...e.de>
Cc:	"Linus Torvalds" <torvalds@...l.org>,
	"Ingo Molnar" <mingo@...e.hu>,
	"Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>,
	"Andrew Morton" <akpm@...l.org>, nagar@...son.ibm.com,
	"Chandra Seetharaman" <sekharan@...ibm.com>,
	"Jan Beulich" <jbeulich@...ell.com>
Subject: Re: BUG-lockdep and freeze (was: Arrr! Linux 2.6.18) II

On 10/1/06, Andi Kleen <ak@...e.de> wrote:
> I double checked this now. This case Eric ran into should be already
> fixed by a patch from Jan that went in before 2.6.18 even.
>
> He just ran with an old kernel (2.6.18-rc3) that didn't have
> that particular fix.

Hmm, not sure I'm following you, but I did try with the released
v2.6.18 (fourth stacktrace in my first email in this thread). The
2.6.13-rc3 (d94a041519f3ab1ac023bf917619cd8c4a7d3c01) version was
tested only as the result of git-bisect, and is the first kernel that
crashed in this way. But v2.6.18 crashed in a similar way as well.
Are you saying v2.6.18 should contain a fix preventing it from crashing?

> Still the kernel stack termination is probably a good idea. I think
> (haven't tested) the current 2.6.18-git* code with termination
> wouldn't have crashed, but reported a (incorrect) stuck.

Making sure my post was clear: that's what v2.6.18 + termination does.

Sorry if I misunderstood you.

er.
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