Messages in this thread | | | Date | Mon, 13 Dec 2010 11:02:46 +0100 | From | Jiri Slaby <> | Subject | Re: resource map sanity check conflict |
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On 12/08/2010 08:56 PM, Bjorn Helgaas wrote: > On Monday, December 06, 2010 01:34:56 pm Bjorn Helgaas wrote: >> On Monday, December 06, 2010 01:17:33 pm Jiri Slaby wrote: >>> On 11/24/2010 08:22 PM, Bjorn Helgaas wrote: >>>> On Wednesday, November 24, 2010 06:36:01 am Jiri Slaby wrote: > ... >>>>> pnp 00:0a: [mem 0xfed40000-0xfed44fff] >>>>> pnp 00:0a: Plug and Play ACPI device, IDs ATM1200 PNP0c31 (active) >>>>> ... >>>>> resource map sanity check conflict: 0xfed40000 0xfed44fff 0xfed44000 > ... >>>> Yes, this is related to the PCI resource changes I made recently. >>>> We used to allocate PCI resources from low addresses first and work >>>> upwards, and now we do the reverse. So in 2.6.36, the "Intel Flush >>>> Page" was probably allocated low in the [mem 0x7e000000-0xfebfffff] >>>> window, but now we put it in the [mem 0xfed40000-0xfed4bfff] window: >>>> >>>> pci_root PNP0A08:00: host bridge window [mem 0x000dc000-0x000dffff] >>>> pci_root PNP0A08:00: host bridge window [mem 0xfed40000-0xfed4bfff] >>>> >>>> I think the problem is that we ignore most of what ACPI tells us >>>> about motherboard device resource usage. We do have the "system" >>>> driver, which reserves resources used by PNP0c01 and PNP0c02 devices, >>>> but we don't do anything about other devices like the ATM1200/PNP0c31 >>>> device which, in your case, is using some of the space in that >>>> [mem 0xfed40000-0xfed4bfff] host bridge window. > >>> I created the bko entry some time ago: >>> https://bugzilla.kernel.org/show_bug.cgi?id=23802 > > I have a patch here for testing: > > https://bugzilla.kernel.org/attachment.cgi?id=39262
Yes, it works: https://bugzillafiles.novell.org/attachment.cgi?id=404327
thanks, -- js
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