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Date: Fri, 20 Mar 2015 13:01:16 -0700
From: Dave Hansen <dave.hansen@intel.com>
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To: Linus Torvalds <torvalds@linux-foundation.org>,
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Subject: Re: 4.0.0-rc4: panic in free_block
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On 03/20/2015 09:58 AM, Linus Torvalds wrote:
> 128 cpu's is still "unusual", of course, but by no means unheard of,
> and I'f have expected others to report it too if it was wasy to
> trigger on x86-64.

FWIW, I configured a kernel with SLAB and kicked off a bunch of compiles
on a 160-thread x86_64 system.  It definitely doesn't die _quickly_.
It's been running for an hour or two.