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Subject: Re: [hwloc-devel] Why doesn't my disk controller show up?
From: Guy Streeter (streeter_at_[hidden])
Date: 2012-10-09 15:18:14


On 10/09/2012 02:03 PM, Brice Goglin wrote:
> Le 09/10/2012 20:47, Guy Streeter a écrit :
>> I'm trying to understand why for one of my systems the disk controller is not
>> shown as an OS device. The PCI device is seen, but there is no OS device under
>> it. It's a SATA controller emulated as SCSI, It think.
>> gather-topology output is attached. Using hwloc 1.5 on Fedora 17.
>>
>
> hwloc-gather-topology does not gather I/O devices unfortunately (we
> could gather OS devices, but we can't for PCI devices).
>
> What do you have under /sys/bus/pci/devices/<yourpcibusid> ?
> Do you see anything like hostX in there? What does in contain? Can you
> walk in there until you find a "block" child?
>
> I haven't tested on recent kernels lately, maybe something changed in
> the sysfs hierarchy, I am booting a 3.5 to check things.
>
> Brice
>
> _______________________________________________
> hwloc-devel mailing list
> hwloc-devel_at_[hidden]
> http://www.open-mpi.org/mailman/listinfo.cgi/hwloc-devel
>

There are entries like that. I've attached the output of
find -P /sys/bus/pci/devices/0000\:00\:1f.2/

thanks,
-Guy