Messages in this thread | | | Date | Tue, 13 Oct 2009 10:31:52 +0200 | From | Jens Axboe <> | Subject | Re: pci-express hotplug |
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On Tue, Oct 13 2009, Kenji Kaneshige wrote: > 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? >> > > Could you give me the result of "ls -lR /sys/bus/pci/slots/" > after loading pciehp?
I have attached the result of that ls prior to loading pciehp/acpiphp (pre-load), after loading pciehp (pciehp-load), and with acpiphp loaded only as well (acpiphp-load).
-- Jens Axboe
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