On Mon, 24 Aug 2009, Rafael J. Wysocki wrote: > Hi, > > Recently we've had a bug report indicating that WoL doesn't work with e100, > although the driver does everything needed to support it. Apparently, the user > had to echo PCI0 to /proc/acpi/wakeup to make it work. > > After some debugging it turned out that PCI0 is the PCI host bridge > (no-bus:pci0000:00), so apparently echoing PCI0 to /proc/acpi/wakeup causes > a wake-up GPE to be set up for the host bridge which triggers wake-up once > eth0 signals PME#. > > So, it looks like we need to set up wake-up GPE for a host bridge for PME# > from add-on cards to work, at least on this particular box. > > First, I wonder if that's the case in general (anybody knows?). Second, if > that is the case, would it be a good idea to set up the host bridge wake-up GPE > by default? Regarding the last question: Yes, of course. Why wouldn't it be a good idea? Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
