On Thursday, 17 May 2007 22:50, Lukas Hejtmanek wrote: > > Yep -- here's the quote from ACPI 3.0b: > > > > OSPM will invoke _GTS, _PTS, _TTS, _WAK, and _BFS in the following > > order: > > 1.OSPM decides (through a policy scheme) to place the system into a > > sleeping state. > > 2._TTS(Sx) is run, where Sx is the desired sleep state to enter. > > 3. OSPM notifies all native device drivers of the sleep state transition > > 4._PTS is run > > 5.OSPM readies system for the sleep state transition > > 6._GTS is run > > 7.OSPM writes the sleep vector and the system enters the specified Sx > > sleep state. > > 8.System Wakes up > > 9._BFS is run > > 10.OSPM readies system for the return from the sleep state transition > > 11._WAK is run > > 12. OSPM notifies all native device drivers of the return from the sleep > > state transition > > 13._TTS(0) is run to indicate the return to the S0 state. > > > > Technically we write the sleep vector too early as well. > > And we don't evaluate _TTS at all -- though _TTS was > > added only as of ACPI 3.0 and I've not seen it implemented on > > any of the systems I've got. > > However, we still do something wrong with ACPI and suspend-to-ram because my > system is unable to reboot after resume from ram. The only way to reboot is to > disable the ACPI in the machine_emergency_restart(). (in particular, keyboard > LEDs flash as the reset has been issued but the BIOS logo does not appear.) Can you please send me your DSDT? Rafael - To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html