On Mon, Oct 12 2009, Mark Lord wrote: > Jens Axboe wrote: >> 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? > > Tried this yet: > > options pciehp pciehp_force=1 Nope, but it does find and register the hotplug slots, so I didn't think it would make a difference. The _OSC is there. I'll try tonight, just in case. -- 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
