From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Kelly Bowa <kbpm@tuxedu.org>
Cc: Alan Stern <stern@rowland.harvard.edu>,
Magnus Damm <magnus.damm@gmail.com>, Greg KH <gregkh@suse.de>,
Pavel Machek <pavel@ucw.cz>, Len Brown <lenb@kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
Matthew Garrett <mjg59@srcf.ucam.org>,
Andrew Morton <akpm@linux-foundation.org>,
Paul Mundt <lethal@linux-sh.org>
Subject: Re: __pm_runtime_idle() returns -11!
Date: Thu, 1 Oct 2009 00:01:23 +0200 [thread overview]
Message-ID: <200910010001.23869.rjw@sisk.pl> (raw)
In-Reply-To: <20090930074650.GA2300@box.home>
On Wednesday 30 September 2009, Kelly Bowa wrote:
> Hi Rafael,
>
> I get the following error messages in dmesg:
>
> [ 0.488758] ACPI: Enumerating devices from [\]
> [ 0.489673] PM: Adding info for acpi:LNXSYSTM:00
> [ 0.489856] acpi LNXSYSTM:00: __pm_runtime_idle()!
> [ 0.489862] acpi LNXSYSTM:00: __pm_runtime_idle() returns -11!
> [ 0.490952] PM: Adding info for acpi:LNXCPU:00
> [ 0.491154] acpi LNXCPU:00: __pm_runtime_idle()!
> [ 0.491161] acpi LNXCPU:00: __pm_runtime_idle() returns -11!
> ....
>
> full dmesg: www.tuxedu.org/kbpm/dmesg2.txt
>
> __pm_runtime_idle() returns -11 which could be that it is waiting for other
> suspend running in parallel or that pm_runtime_cancel() fails to suspend the
> given device ?.. this causes a noticeable delay in boot time. I get this on
> 2.6.31-mm1 and ill soon test against 2.6.32-rc1..
This is a result of a debug message which is not supposed to be enabled on
production systems. What debug options are enabled in your kernel config?
Rafael
prev parent reply other threads:[~2009-09-30 21:59 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-30 7:46 Kelly Bowa
2009-09-30 22:01 ` Rafael J. Wysocki [this message]
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