On Wednesday 10 February 2010 03:48:08 pm Yinghai Lu wrote: > On 02/10/2010 02:03 PM, Bjorn Helgaas wrote: > > On Friday 05 February 2010 12:29:25 pm Bjorn Helgaas wrote: > >> On Friday 05 February 2010 12:08:47 pm Yinghai Lu wrote: > >>> On 02/05/2010 09:46 AM, Bjorn Helgaas wrote: > > > >>>> How many AMD boxes need amd_bus.c? I assume it's mostly or even only > >>>> those with multiple host bridges? Do you have any idea how many of > >>>> those shipped prior to 2010, and whether there are _CRS defects that > >>>> we're avoiding by using amd_bus.c? > >>> yes. > >>> > >>> Sun have 8 or more those kinds systems. and mostly have those problem. > >>> > >>> HP have simlair systems too. > >> > >> Were there bug reports from machines in the field, or is your claim > >> that there are problems based on your experience with prototype > >> machines? > >> > >> Frankly, I'm dubious that there are AMD machines in the field with > >> this sort of _CRS defect, because I don't think machines like that > >> could run Windows. > > > > Let me approach this from another angle. I'm thinking about turning > > on "pci=use_crs" for anything from 2008 or newer, instead of 2010, > > because it should fix bugs like this: > > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/341681 > > that system only has one HT chain? That particular system (Toshiba Satellite A355) is an Intel system, so it's not related to AMD HT, but it does have only one PCI host bridge. Bjorn -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
