PCIPM spec requires OS to disable IO/Memory decode and bus master if a device is put into D3 (spec 8.2.2). pci_set_power_state doesn't do this for D3. Could this cause mysterious hang of S3 in some BIOS? Thanks, Shaohua _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm