On Saturday 06 February 2010, Bjorn Helgaas wrote: > On Sunday 10 January 2010 07:01:03 am Rafael J. Wysocki wrote: > > From: Rafael J. Wysocki <rjw@xxxxxxx> > > > > Although the majority of PCI devices can generate PMEs that in > > principle may be used to wake up devices suspended at run time, > > platform support is generally necessary to convert PMEs into wake-up > > events that can be delivered to the kernel. If ACPI is used for this > > purpose, a PME generated by a PCI device will trigger the ACPI GPE > > associated with the device to generate an ACPI wake-up event that we > > can set up a handler for, provided that everything is configured > > correctly. > > I think acpiphp needs a little attention after this patch. Gary > Hade noticed while testing Jesse's linux-next branch that acpiphp > complains like this: > > acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 > acpiphp: Slot [9] registered > acpiphp: Slot [10] registered > acpiphp_glue: failed to register interrupt notify handler > acpiphp: Slot [6] registered > acpiphp_glue: failed to register interrupt notify handler > > I reproduced this on an HP rx3600 (ia64), and found that acpiphp > doesn't complain on commit 82533a617f453, but it *does* complain > on commit fb3383bb4ac6e, which seems to be this patch. I can't see the possible reason looking at the code alone. Could you add a debug printk() printing the error code returned by pci_acpi_add_hp_notifier() in acpiphp_glue.c:register_slot(), please? Rafael -- 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