Messages in this thread | | | Date | Mon, 12 Oct 2009 11:00:36 -0400 | From | Mark Lord <> | Subject | Re: pci-express hotplug |
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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
??
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