linux-kernel - Re: Debugging Thinkpad T430s occasional suspend failure.

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Message-ID: <51215E6C.5090102@zytor.com>
Date:	Sun, 17 Feb 2013 14:49:16 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
CC:	Paul McKenney <paulmck@...ux.vnet.ibm.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Dave Jones <davej@...hat.com>, Hugh Dickins <hughd@...gle.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Paul McKenney <paul.mckenney@...aro.org>
Subject: Re: Debugging Thinkpad T430s occasional suspend failure.

On 02/16/2013 11:46 AM, Linus Torvalds wrote:
> Adding Peter Anvin to the people, just in case he sees what's wrong
> with the system call stub generation that keeps excessively old object
> files around. If it's easy to fix, it might be worth trying to make it
> ok to switch from i386 to x86-64 and back in the same tree.

I have not been able to reproduce this; it seems to Just Work[TM].

The syscall header stuff is definitely not to blame: it doesn't even 
*see* the CONFIG_ settings; instead they are only used to determine 
which subset of files to create, but the files themselves are 
configuration-independent.  This is by design.

As such, without an actual known to fail test case there isn't much I 
can do.

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

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