linux-kernel - Re: [RFC PATCH] Add TRACE_IRQFLAGS_SUPPORT, LOCKDEP

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Date:	Mon, 7 Dec 2009 13:35:18 -0800
From:	Tony Luck <tony.luck@...il.com>
To:	Luming Yu <luming.yu@...il.com>
Cc:	Ingo Molnar <mingo@...e.hu>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Christoph Hellwig <hch@...radead.org>,
	LKML <linux-kernel@...r.kernel.org>,
	"linux-ia64@...r.kernel.org" <linux-ia64@...r.kernel.org>,
	"Yu, Fenghua" <fenghua.yu@...el.com>,
	Felix Blyakher <felixb@....com>,
	"Li, Shaohua" <shaohua.li@...el.com>, Bob Picco <bob.picco@...com>
Subject: Re: [RFC PATCH] Add TRACE_IRQFLAGS_SUPPORT, LOCKDEP_SUPPORT then 
	enable ftrace for ia64

> please check out the attached config.

Your config fails for me too (same way, blank screen, nothing on
serial console).

Essentially I applied your patch to 2.6.32 (patch only gave a few
"offset" warnings).   Kernel
builds ok, and boots on tiger (using tiger_defconfig).

When I turned on some LOCKDEP bits (see attached config) it fails.
Nothing on the
early uart console to say why.  Screen just blanks right away.

-Tony

Download attachment "bad.lockdep.config" of type "application/octet-stream" (43916 bytes)