Problem with HP DL380

Wilkinson, Alex alex.wilkinson at dsto.defence.gov.au
Sat Nov 20 16:42:58 PST 2004


what is meant by 'C3 state' ?

 - aW


0n Sat, Nov 20, 2004 at 10:46:25AM +0100, Lukas Ertl wrote: 

> On Sat, 20 Nov 2004, M. Warner Losh wrote:
> 
> >: Setting hw.pci.do_powerstate=0 in /boot/loader.conf fixes this problem.
> >
> >Dang.  I missed the earlier part of this thread.  You shouldn't need
> >to do this if I coded things up right.  But, alas, you do.  Can you
> >send me the details?
> 
> No, I think you did everything right.  If I understand it correctly, then 
> hw.pci.do_powerstate puts a device into C3 state if no driver attaches. 
> That's just what happens here.  That iLO service processor of the DL380s 
> shows up as normal PCI device, but exports the console to the network even 
> without specific driver (as there is none for FreeBSD), so that it works 
> independent of the OS.
> 
> So, since there is no driver, the device gets powered down as soon as the 
> kernel initializes its ACPI parts, and then the iLO console stops working.
> 
> cheers,
> le
> 
> -- 
> Lukas Ertl                         http://homepage.univie.ac.at/l.ertl/
> le at FreeBSD.org                     http://people.freebsd.org/~le/
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