Re: pci-express hotplug

From: Jens Axboe
Date: Thu Oct 29 2009 - 04:58:02 EST


On Wed, Oct 28 2009, Alex Chiang wrote:
> * Jens Axboe <jens.axboe@xxxxxxxxxx>:
> >
> > acpiphp: enable_slot - physical_slot = 1
> > power_on_slot
> > no _PS0
> > no _PS0
> > no _PS0
> > no _PS0
> > no _PS0
> > no _PS0
> > no _PS0
> > no _PS0
>
> One final thought -- your DSDT doesn't provide any power methods
> such as _PS[0-3] (I grepped your DSDT so basing my statement on
> more than just the output above), and without those, I'm pretty
> sure that there's no way for the OS to communicate to the BIOS
> that we want to power those slots on.
>
> So, something funky is going on with your BIOS. This isn't some
> weird proto board or something, is it? ;)

It's pre-production, but not a prototype. I'll take it up with the
vendor.

--
Jens Axboe

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/