Re: Suspend to RAM broken on BeagleBoard ?

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Thomas Petazzoni <thomas.petazzoni@xxxxxxxxxxxxxxxxxx> writes:

> Hello,
>
> I've tested the current linux-omap Git tree and Kevin's pm-core branch
> on a BeagleBoard using the omap3_defconfig, and when trying a suspend
> to RAM, I get a "Class driver suspend failed for cpu0" :

> # echo mem > /sys/power/state 
> [   93.395050] PM: Syncing filesystems ... done.
> [   93.410827] Freezing user space processes ... (elapsed 0.01 seconds) done.
> [   93.434570] Freezing remaining freezable tasks ... (elapsed 0.01 seconds) done.
> [   93.458557] Suspending console(s) (use no_console_suspend to debug)
> [   93.590728] PM: suspend of devices complete after 119.629 msecs
> [   93.593902] PM: late suspend of devices complete after 3.112 msecs
> [   93.594421] Class driver suspend failed for cpu0

It's the CPUfreq driver that's failing to suspend.

> [   93.595153] PM: early resume of devices complete after 0.518 msecs
> [   93.887603] PM: resume of devices complete after 292.052 msecs
> [   93.922851] Restarting tasks ... done.
>
> Is this a known issue ?

Yes, CPUfreq is not supported in l-o master or pm-core (only in the full
pm branch.)  If you Kconfig out CPUfreq, this failure will go away.

[...]

Kevin
--
To unsubscribe from this list: send the line "unsubscribe linux-omap" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux Arm (vger)]     [ARM Kernel]     [ARM MSM]     [Linux Tegra]     [Linux WPAN Networking]     [Linux Wireless Networking]     [Maemo Users]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite Trails]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux