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

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Message-ID: <Pine.LNX.4.64.0609301322530.3952@g5.osdl.org>
Date:	Sat, 30 Sep 2006 13:23:53 -0700 (PDT)
From:	Linus Torvalds <torvalds@...l.org>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
cc:	Eric Rannaud <eric.rannaud@...il.com>,
	linux-kernel@...r.kernel.org, mingo@...e.hu, akpm@...l.org,
	nagar@...son.ibm.com, Ravikiran G Thirumalai <kiran@...lex86.org>
Subject: Re: BUG-lockdep and freeze (was: Arrr! Linux 2.6.18)



On Sat, 30 Sep 2006, Peter Zijlstra wrote:
> 
> http://kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.18/2.6.18-mm1/broken-out/slab-fix-lockdep-warnings.patch
> http://kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.18/2.6.18-mm1/broken-out/slab-fix-lockdep-warnings-fix.patch
> http://kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.18/2.6.18-mm1/broken-out/slab-fix-lockdep-warnings-fix-2.patch
> 
> Those should rid you off the trace seen under:

Well, the more serious problem seems to be that any warning that causes a 
back-trace on x86-64 seems liable to just lock up due to the backtrace 
code itself being buggy.

At least I _hope_ its x86-64 only.

		Linus
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