On Saturday, 19 May 2007 23:39, Stefan Richter wrote: > Alan Stern wrote: > > On Sat, 19 May 2007, Stefan Richter wrote: > > > >> Maybe linux-pm is the more appropriate list for this question: > >> > >> I wrote at suspend-devel@xxxxxxxxxxxxxxxxxxxxx: > >>> What's wrong here? > >>> > >>> # cat /sys/power/state > >>> # echo mem > /sys/power/state > >>> -su: echo: write error: No such device > > > >> Thanks for advice, > > > > No doubt other people will be able to give better answers than I. However > > an important first step is to provide the dmesg log showing what happened > > when the attempted suspend failed. > > I rebuilt the kernel with PM_DEBUG. > There is nothing in dmesg after echo mem > /sys/power/state. > This is also true if I first unload all modular drivers. > > Dmesg and .config attached. Apparently kernel/power/main.c:valid_state() on your boxes always returns 0. Can you please try to set CONFIG_SOFTWARE_SUSPEND and see if that helps? Rafael _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm