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From: Pavel Machek <pavel@ucw.cz>
To: Woody Suwalski <terraluna977@gmail.com>,
	"Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: kernel list <linux-kernel@vger.kernel.org>,
	tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com
Subject: Re: 4.10-rc1: thinkpad x60: who ate my cpu?
Date: Sat, 14 Jan 2017 12:30:54 +0100	[thread overview]
Message-ID: <20170114113054.GA22012@amd> (raw)
In-Reply-To: <41553b16-c527-d99b-b56b-31d6a08a7e8a@gmail.com>

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Hi!

On Thu 2017-01-12 20:19:31, Woody Suwalski wrote:
> Pavel Machek wrote:
> >Hi!
> >
> >>I used to have two cpus, and Thinkpad X60 should have two cores, but I
> >>only see one on 4.10-rc1. This machine went through many
> >>suspend/resume cycles. When backups finish, I'll try -rc2.
> >Whoever did it, he seems to have returned the cpu in -rc3. All seems
> >to be good now.

> Actually since you have mentioned - I have checked my x60 - same problem -
> only one CPU. However I was running 4.8.13 with uptime 33 days, multiple
> sleep/wake-ups.
> Installed a current EOL 4.8.17 and rebooted - I see 2 CPUs. So the issue is
> older then 4.10 kernel, and I suspect it is the CPU hotplug / wakeup
> related...

Hmm. So I seen two cores in -rc3 after boot. But it is quite well
possible that -rc1 was ok just after boot, too, and problem happened
sometime later (probably during suspend/resume cycles). Let me go back
to -rc1 to check.

Best regards,
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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  reply	other threads:[~2017-01-14 11:30 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-01-08 22:17 4.10-rc1: thinkpad x60: who ate my cpu? Pavel Machek
2017-01-09  9:30 ` Pavel Machek
2017-01-13  1:19   ` Woody Suwalski
2017-01-14 11:30     ` Pavel Machek [this message]
2017-01-15  9:56       ` Pavel Machek
2017-02-11 23:48         ` Woody Suwalski
2017-02-12 15:43           ` Woody Suwalski
2017-02-12 19:57             ` Pavel Machek
2017-02-13  1:35               ` Woody Suwalski
2017-02-13  8:02                 ` Pavel Machek
2017-02-13  8:48                   ` Thomas Gleixner
2017-02-13  9:42                     ` Pavel Machek
2017-02-13 10:18                       ` lkml
2017-02-13 11:25                         ` Thomas Gleixner
2017-02-13 11:39                           ` lkml
2017-02-13 11:40                           ` lkml
2017-02-13 11:53                         ` Pavel Machek

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