On Mon, Oct 12 2009, Greg KH wrote: > On Mon, Oct 12, 2009 at 02:06:20PM +0200, Jens Axboe wrote: > > Hi, > > > > I'm trying to get pci-express hotplug working in a box here. I don't > > really care about the hotplug aspect, I just want the darn pci-e slots > > that are designated hotplug slots to actually WORK. When I load pciehp, > > I get: > > > > Firmware did not grant requested _OSC control > > Firmware did not grant requested _OSC control > > Firmware did not grant requested _OSC control > > Firmware did not grant requested _OSC control > > pciehp 0000:00:05.0:pcie04: HPC vendor_id 8086 device_id 340c ss_vid 0 ss_did 0 > > pciehp 0000:00:05.0:pcie04: service driver pciehp loaded > > Firmware did not grant requested _OSC control > > pciehp 0000:00:07.0:pcie04: HPC vendor_id 8086 device_id 340e ss_vid 0 ss_did 0 > > pciehp 0000:00:07.0:pcie04: service driver pciehp loaded > > Firmware did not grant requested _OSC control > > pciehp 0000:80:07.0:pcie04: HPC vendor_id 8086 device_id 340e ss_vid 0 ss_did 0 > > pciehp 0000:80:07.0:pcie04: service driver pciehp loaded > > pciehp 0000:80:09.0:pcie04: HPC vendor_id 8086 device_id 3410 ss_vid 0 ss_did 0 > > pciehp 0000:80:09.0:pcie04: service driver pciehp loaded > > pciehp: PCI Express Hot Plug Controller Driver version: 0.4 > > > > and the devices in the hotplug slots stay off. Is this an ACPI/bios > > issue? How can I debug this? > > Can you try the acpiphp driver instead? That's usually the driver you > want to use for "modern" systems (i.e. anything made in the past 5 > years.) I should have mentioned that I tried that too. It doesn't complain, but I don't see my cards anywhere afterwards. I'm a hotplug newbie, do I need to do anything else? -- Jens Axboe -- 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