linux-kernel - Re: bug? 2.6.26-rc8-mm1, corrupted dcache

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Date:	Wed, 30 Jul 2008 16:14:05 +0900
From:	hooanon05@...oo.co.jp
To:	Nick Piggin <nickpiggin@...oo.com.au>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: bug? 2.6.26-rc8-mm1, corrupted dcache 


Nick Piggin:
> This looks a bit like the PREEMPT_RCU problem that was fixed just
> before 2.6.26. Do you have PREEMPT_RCU=y and HOTPLUG_CPU=n in your
> config?

Exactly.
So next -mm release will not have this problem. Anyway I will check it
again.
Thanks.

$ gunzip -c /proc/config.gz | egrep '(_RCU|HOTPLUG)'
CONFIG_HOTPLUG=y
# CONFIG_CLASSIC_RCU is not set
CONFIG_PREEMPT_RCU=y
# CONFIG_RCU_TRACE is not set
# CONFIG_HOTPLUG_CPU is not set
# CONFIG_HOTPLUG_PCI is not set


Junjiro Okajima
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