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SubjectRe: __pm_runtime_idle() returns -11!
Date
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


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