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