linux-kernel - Re: [stable] [patch 09/12] Fix SMP poweroff hangs

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Date:	Tue, 9 Oct 2007 22:29:53 -0700 (PDT)
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Thomas Gleixner <tglx@...utronix.de>
cc:	Greg KH <greg@...ah.com>, Olof Johansson <olof@...om.net>,
	Greg KH <gregkh@...e.de>, "Rafael J. Wysocki" <rjw@...k.pl>,
	"Theodore Ts'o" <tytso@....edu>,
	Zwane Mwaikambo <zwane@....linux.org.uk>,
	Justin Forbes <jmforbes@...uxtx.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Chris Wedgwood <reviews@...cw.f00f.org>,
	Domenico Andreoli <cavokz@...il.com>,
	Mark Lord <mlord@...ox.com>,
	Randy Dunlap <rdunlap@...otime.net>,
	Michael Krufky <mkrufky@...uxtv.org>,
	Chuck Ebbert <cebbert@...hat.com>,
	Dave Jones <davej@...hat.com>, akpm@...ux-foundation.org,
	Chuck Wolber <chuckw@...ntumlinux.com>, stable@...nel.org,
	alan@...rguk.ukuu.org.uk, Kevin <spaceman__spiff@....net>
Subject: Re: [stable] [patch 09/12] Fix SMP poweroff hangs



On Wed, 10 Oct 2007, Thomas Gleixner wrote:
> 
> Fair enough. OTOH for the affected PPC users it's a regression and that's 
> what I'm concerned of.

Hmm.. I just got the appended (Kevin, better not just send me email, other 
people can be interested too):

From: Kevin <spaceman__spiff@....net>:
Subject: Segmentation Fault
> 
> I just installed Linux Kernel 2.6.23 and am getting a Segmentation Fault 
> upon exit (init 0).
> 
> Code: Bad EIP Value
> EIP: [<00007825>] 0x7825 SS:ESP 0068:e7305de8
> /etc/rc.d/rc.0: Line 261: 2796 Segmentation Fault   /sbin/poweroff
> 
> I'm running Slackware 12.0

and while there's not a lot of information there, it might still mean that 
there may be some issues on x86 too at the shutdown path.

Kevin: can you get the rest of the message? The kernel should have printed 
out much more than just those two lines (there should have been a stack 
trace and register state (often most easily captured simply with a digital 
camera)

			Linus
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