I wrote: > Rafael J. Wysocki wrote: >> Can you please try to set CONFIG_SOFTWARE_SUSPEND and see if that helps? > > I will do so. BTW, > > config SOFTWARE_SUSPEND > bool "Software Suspend (Hibernation)" > depends on PM && SWAP && (((X86 || PPC64_SWSUSP) && (!SMP || > SUSPEND_SMP)) || ((FRV || PPC32) && !SMP)) > > and > > config SUSPEND_SMP > bool > depends on HOTPLUG_CPU && (X86 || PPC64) && PM > > So, no HOTPLUG_CPU -> no SOFTWARE_SUSPEND. I don't expect a > single-processor, dual-core PC to require CPU hotplugging support. As a first step, I enabled HOTPLUG_CPU and SUSPEND_SMP, i.e. did not enable SOFTWARE_SUSPEND yet. # cat /sys/power/state mem # echo m >/sys/power/state PC goes to sleep. Thanks so far. (Alas it doesn't wake up anymore. But that's another issue for another day. I had all drivers loaded when I did this.) -- Stefan Richter -=====-=-=== -=-= =-=-- http://arcgraph.de/sr/ _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm