Re: pci-e hotplug on Intel SE7520HPAF2 board

[Tom Duffy <tduffy@sun.com>]

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On Mon, 2005-03-07 at 22:55 -0800, Greg KH wrote:
> On Mon, Mar 07, 2005 at 04:58:27PM -0800, Tom Duffy wrote:
> > 
> > What do I need to do to get hot insert working?
> 
> Did you tell the kernel to enable power to these slots?
> 
> I do not think that hot add and hot remove are supported, you need to
> disable the power to them (or enable them) by either using a hardware
> switch on the latch of the case, or by using the sysfs interface (under
> /sys/bus/pci/slots/).

[root@intlhotp-1 ~]# cat /sys/bus/pci/slots/3/power
1
[root@intlhotp-1 ~]# cat /sys/bus/pci/slots/4/power
1
[root@intlhotp-1 ~]# echo 1 > /sys/bus/pci/slots/3/power
acpiphp_glue: No new device found
[root@intlhotp-1 ~]# echo 1 > /sys/bus/pci/slots/4/power
acpiphp_glue: No new device found

> Also, there is a pci hotplug specific mailing list, if you are
> interested.

Ok, we can move discussion there if you like.  What is the list?

-tduffy

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