Re: post 2.6.26 requires pciehp_slot_with_bus

From: Pierre Ossman
Date: Thu Jul 24 2008 - 16:39:37 EST


On Thu, 24 Jul 2008 21:38:32 +0900
Kenji Kaneshige <kaneshige.kenji@xxxxxxxxxxxxxx> wrote:

> Hi Pierre,
> (Added linux-pci to CC)
>
> Pierre Ossman wrote:
> > Somewhere post 2.6.26, pciehp started whining about not being able to
> > claim the slot and error code -17. It suggested adding
> > "pciehp_slot_with_bus", which actually helped. Still, having a kernel
> > parameter should just be a temporary fix.
>
> The "pciehp_slot_with_bus" option is a workaround for the platforms
> that assign the same physical slot number to multiple slots. If your
> system has PCI chassis and it supports Chassis Number registers,
> maybe one of the solution is using chassis number + slot number as a
> slot name. But I don't have any idea other than "pciehp_slot_with_bus"
> if your system doesn't support chassis number.
>

The what now? :)

This is a laptop with a single expressport that worked fine up until
this merge window. What changed and why is it no longer possible to
support this hardware without a kernel parameter?

Rgds
--
-- Pierre Ossman

Linux kernel, MMC maintainer http://www.kernel.org
rdesktop, core developer http://www.rdesktop.org

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