From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Kaushik Barde <Kaushik_Barde@phoenix.com>
Cc: "linux-acpi@vger.kernel.org" <linux-acpi@vger.kernel.org>
Subject: Re: s2ram on Lenovo X300 is broken
Date: Mon, 27 Apr 2009 01:12:28 +0200 [thread overview]
Message-ID: <200904270112.28813.rjw@sisk.pl> (raw)
In-Reply-To: <6D80BDFB1A1FA74DA476417C24C452A102495C8361@scl-exch2k7.phoenix.com>
On Sunday 26 April 2009, Kaushik Barde wrote:
> I am using stable-2.6.29.1 on Lenovo X300.
>
> echo mem > /sys/power/state works if I disable AP core using echo 0 > /sys/devices/system/cpu/cpu1/online.
>
> With SMP, first s3 cycle goes through, subsequent suspend does not work.
>
> Is this a known issue with CPU_HOTPLUG or suspend re-ordering code?
Similar symptoms have been reported, but the previous reporter did not connect
them with the CPU hotplugging.
The issue isn't actually known and suspend-resume works on many SMP systems.
Is the problem reproducible with the current mainline kernel?
Rafael
next parent reply other threads:[~2009-04-26 23:13 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <6D80BDFB1A1FA74DA476417C24C452A102495C8361@scl-exch2k7.phoenix.com>
2009-04-26 23:12 ` Rafael J. Wysocki [this message]
2009-04-27 0:47 ` s2ram on Lenovo X300 is broken Kaushik Barde
2009-04-27 20:32 ` Rafael J. Wysocki
2009-04-27 21:39 ` Kaushik Barde
2009-04-27 22:07 ` Rafael J. Wysocki
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