From: Heinz Diehl <htd+ml@fritha.org>
To: "Zhang, Rui" <rui.zhang@intel.com>
Cc: "linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>
Subject: Re: Failure to wake from S2D
Date: Fri, 17 Apr 2015 08:23:47 +0200 [thread overview]
Message-ID: <20150417062347.GA1481@fritha.org> (raw)
In-Reply-To: <744357E9AAD1214791ACBA4B0B909263014D3FC0@SHSMSX101.ccr.corp.intel.com>
On 17.04.2015, Zhang, Rui wrote:
> Have you checked any earlier kernel versions?
No. Every hang means fs corruption, and this is a production machine.
At least some of the 3.19.x series shows the same behaviour.
> Does the problem still existing when using idle=poll?
Yes, it does.
> What cpuidle driver are you using?
[htd@chiara ~]$ cat /sys/devices/system/cpu/cpuidle/current_driver
intel_idle
> Please file a bug report at https://bugzilla.kernel.org/enter_bug.cgi?product=Power%20Management
> With the test result after using boot option "idle=poll"
Will do. However, idle=poll is not a permanent option on this system, since it
significantly increases heat and power consumption.
Thanks,
Heinz.
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next prev parent reply other threads:[~2015-04-17 6:23 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-16 9:47 Failure to wake from S2D Heinz Diehl
2015-04-17 1:02 ` Zhang, Rui
2015-04-17 6:23 ` Heinz Diehl [this message]
2015-04-17 6:56 ` Heinz Diehl
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