From: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
To: "Ville Syrjälä" <ville.syrjala@linux.intel.com>,
"Sebastian Andrzej Siewior" <bigeasy@linutronix.de>
Cc: Thomas Gleixner <tglx@linutronix.de>,
linux-arch@vger.kernel.org, Rik van Riel <riel@redhat.com>,
"Srivatsa S. Bhat" <srivatsa@mit.edu>,
Peter Zijlstra <peterz@infradead.org>,
Arjan van de Ven <arjan@linux.intel.com>,
Rusty Russell <rusty@rustcorp.com.au>,
Steven Rostedt <rostedt@goodmis.org>,
Oleg Nesterov <oleg@redhat.com>, Tejun Heo <tj@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Paul McKenney <paulmck@linux.vnet.ibm.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
Paul Turner <pjt@google.com>,
linux-kernel@vger.kernel.org, rui.zhang@intel.com,
len.brown@intel.com, Linux PM <linux-pm@vger.kernel.org>
Subject: Re: S3 resume regression [1cf4f629d9d2 ("cpu/hotplug: Move online calls to hotplugged cpu")]
Date: Wed, 11 May 2016 15:36:15 +0200 [thread overview]
Message-ID: <5733354F.6080703@intel.com> (raw)
In-Reply-To: <20160511122116.GA4329@intel.com>
On 5/11/2016 2:21 PM, Ville Syrjälä wrote:
> On Wed, May 11, 2016 at 02:11:29PM +0200, Sebastian Andrzej Siewior wrote:
>> On 05/11/2016 12:19 PM, Ville Syrjälä wrote:
>>> Hi,
>> Hi,
>>
>>> I have a Lenovo Ideapad S10-3t machine here (Atom N450, 1 core, 2 HT)
>>> which fails to resume from S3 on 4.6-rc releases. I bisected it down to
>>>
>>> commit 1cf4f629d9d246519a1e76c021806f2a51ddba4d
>>> Author: Thomas Gleixner <tglx@linutronix.de>
>>> Date: Fri Feb 26 18:43:39 2016 +0000
>>>
>>> cpu/hotplug: Move online calls to hotplugged cpu
>>>
>>> Unfortunately that won't revert cleanly, and neither does the merge
>>> commit, so I was unable to see if that is the only problematic commit
>>> in 4.6.
>>>
>>> Any ideas?
>> do you have a backtrace or anything or is it just not working and you
>> end up with a blank screen?
> Yeah can't get anything from the machine at that point. netconsole
> didn't help either, and no serial on this machine. And IIRC I've
> tried ramoops on this thing in the past but unfortunately the memory
> got cleared on reboot.
>
Please try
# echo processors > /sys/power/pm_test
and then suspend (it should simulate a suspend, wait for approx. 5 sec
and then resume, see
Documentation/power/basic_pm_debugging.txt for details). See if that
works or if you can get any
traces etc.
Thanks,
Rafael
next prev parent reply other threads:[~2016-05-11 13:36 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-11 10:19 S3 resume regression [1cf4f629d9d2 ("cpu/hotplug: Move online calls to hotplugged cpu")] Ville Syrjälä
2016-05-11 12:11 ` Sebastian Andrzej Siewior
2016-05-11 12:21 ` Ville Syrjälä
2016-05-11 12:24 ` Sebastian Andrzej Siewior
2016-05-11 12:41 ` Ville Syrjälä
2016-05-11 12:44 ` Steven Rostedt
2016-05-11 13:34 ` Ville Syrjälä
2016-05-16 19:39 ` Ville Syrjälä
2016-05-17 23:14 ` Rafael J. Wysocki
2016-05-18 7:24 ` Ville Syrjälä
2016-05-26 18:32 ` Ville Syrjälä
2016-05-30 20:43 ` Rafael J. Wysocki
2016-05-31 7:26 ` Ville Syrjälä
2016-07-13 14:54 ` Ville Syrjälä
2016-07-14 8:29 ` Feng Tang
2016-08-09 17:20 ` Ville Syrjälä
2016-10-27 17:28 ` Ville Syrjälä
2016-10-27 18:48 ` Thomas Gleixner
2016-10-27 19:20 ` Ville Syrjälä
2016-10-27 19:25 ` Thomas Gleixner
2016-10-27 20:37 ` Ville Syrjälä
2016-10-27 20:41 ` Thomas Gleixner
2016-10-28 15:56 ` Ville Syrjälä
2016-10-28 18:58 ` Thomas Gleixner
2016-11-01 20:47 ` Ville Syrjälä
2016-11-07 11:49 ` Ville Syrjälä
2016-11-07 13:07 ` Thomas Gleixner
2016-11-07 16:45 ` Ville Syrjälä
2016-11-09 3:54 ` Feng Tang
2016-11-09 6:08 ` Linus Torvalds
2016-11-17 17:14 ` Ville Syrjälä
2016-05-11 13:36 ` Rafael J. Wysocki [this message]
2016-05-11 15:25 ` Jim Bos
2016-05-11 16:19 ` Rafael J. Wysocki
2016-05-11 16:21 ` Sebastian Andrzej Siewior
2016-05-11 16:24 ` Rafael J. Wysocki
2016-05-11 12:44 ` Arjan van de Ven
2016-05-11 15:26 ` Arjan van de Ven
2016-05-11 17:09 ` Ville Syrjälä
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