Re: pci-express hotplug

[Jens Axboe]

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

Attachment: acpiphp-load.bz2
Description: Binary data

Attachment: pre-load.bz2
Description: Binary data

Attachment: pciehp-load.bz2
Description: Binary data