linux-kernel - Re: broken suspend [Was: 2.6.24-rc2-mm1]

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Message-Id: <200711181442.09917.rjw@sisk.pl>
Date:	Sun, 18 Nov 2007 14:42:09 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Jiri Slaby <jirislaby@...il.com>
Cc:	Alan Stern <stern@...land.harvard.edu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Greg KH <greg@...ah.com>,
	Kernel development list <linux-kernel@...r.kernel.org>,
	Linux-pm mailing list <linux-pm@...ts.linux-foundation.org>
Subject: Re: broken suspend [Was: 2.6.24-rc2-mm1]

On Sunday, 18 of November 2007, Jiri Slaby wrote:
> On 11/18/2007 01:42 PM, Jiri Slaby wrote:
> > See shot of prints here:
> > http://www.fi.muni.cz/~xslaby/sklad/susp_hang1.png
> 
> BTW output from that tree minus the patch:

Hm, it looks like one of the CPU hotplug notifiers is doing something wrong.

Can you try to see what happens (with the patch applied) if
thermal_throttle_cpu_callback() is not registered?

> _cpu_down: s
> _cpu_down: t
> CPU 1 is now offline
> SMP alternatives: switching to UP code
> _cpu_down: u
> notifier_call_chain: c FFFFFFFF80232370 1
> notifier_call_chain: c FFFFFFFF8026EF10 1
> notifier_call_chain: c FFFFFFFF8024B8F0 1
> notifier_call_chain: c FFFFFFFF802419E0 1
> notifier_call_chain: c FFFFFFFF80255B50 1
> notifier_call_chain: c FFFFFFFF80250C40 1
> notifier_call_chain: c FFFFFFFF8028E8F0 1
> notifier_call_chain: c FFFFFFFF802B59C0 1
> notifier_call_chain: c FFFFFFFF80323460 1
> notifier_call_chain: c FFFFFFFF80270990 0
> notifier_call_chain: c FFFFFFFF8023D5D0 1
> notifier_call_chain: c FFFFFFFF80266090 1
> notifier_call_chain: c FFFFFFFF802320A0 1
> notifier_call_chain: c FFFFFFFF80249DA0 1
> notifier_call_chain: c FFFFFFFF80318440 1
> notifier_call_chain: c FFFFFFFF8047BE80 1
> notifier_call_chain: c FFFFFFFF80212F40 0
> notifier_call_chain: c FFFFFFFF80216350 1
> notifier_call_chain: c FFFFFFFF80217220 1
> notifier_call_chain: c FFFFFFFF80218120 1
> _cpu_down: v
> _cpu_down: w
> _cpu_down: x
> _cpu_down: y
> _cpu_down: z
> disable_nonboot_cpus: 3 0
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