On Thu, Jul 16, 2009 at 09:49:56PM -0700, Arjan van de Ven wrote: > On Thu, 16 Jul 2009 22:28:57 +0100 > Matthew Garrett <mjg@xxxxxxxxxx> wrote: > > > I've just flicked ASPM (Active State Power Management - runtime power > > saving on PCIe hardware) on by default, and it'll be that way in the > > next rawhide kernel build. There's the potential for some buggy > > hardware to be upset by this. If your system no longer boots or some > > hardware doesn't work, try booting with the > > > > are you sure you want to do this? > the bios is supposed to set this up already... "supposed to"? Spec doesn't require it. If the BIOS flags it as being unsupported then we won't enable it. > ... except on chipsets where there's known hw issues (first > generations) .... (including ICH7's etc) > > so enabling it by force is maybe not always a good idea. We're using the same heuristics as Microsoft here - don't use it if the FADT asks us not to, and don't use it if the endpoint or bridge are PCIe 1.0. I don't expect this to cause problems, but if it does there's plenty of time to revert it. -- Matthew Garrett | mjg59@xxxxxxxxxxxxx -- fedora-devel-list mailing list fedora-devel-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-devel-list
