On Wed, Oct 7, 2015 at 2:25 AM, Meelis Roos <mroos@xxxxxxxx> wrote: > amd64 machine: > > http://kodu.ut.ee/~mroos/dm/dm.x2100 [ 0.156360] bus: [bus 00-05] on node 0 link 0 [ 0.156362] bus: 00 [io 0x0000-0xffff] [ 0.156364] bus: 00 [mem 0x000a0000-0x000bffff] [ 0.156365] bus: 00 [mem 0xfe030000-0xffffffff] [ 0.156366] bus: 00 [mem 0xc0000000-0xefffffff] [ 0.156368] bus: 00 [mem 0xf0000000-0xfe02ffff] [ 0.156369] bus: 00 [mem 0x140000000-0xfcffffffff] [ 0.174069] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 0.180821] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-05]) [ 0.180943] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI] [ 0.181139] acpi PNP0A08:00: _OSC failed (AE_NOT_FOUND); disabling ASPM [ 0.181917] PCI host bridge to bus 0000:00 [ 0.182030] pci_bus 0000:00: root bus resource [bus 00-05] [ 0.182144] pci_bus 0000:00: root bus resource [io 0x0000-0x03af window] [ 0.182262] pci_bus 0000:00: root bus resource [io 0x03e0-0x0cf7 window] [ 0.182379] pci_bus 0000:00: root bus resource [io 0x6000-0xffff window] [ 0.182494] pci_bus 0000:00: root bus resource [io 0x03b0-0x03df window] [ 0.182609] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.182799] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xdfffffff window] [ 0.182989] pci_bus 0000:00: root bus resource [mem 0xf0000000-0xfe02ffff window] [ 0.183179] pci_bus 0000:00: root bus resource [mem 0xfeb00000-0xfebfffff window] BIOS report different resource from _CRS setting and setting with cpu registers. [ 0.183379] pci 0000:00:00.0: [10de:005e] type 00 class 0x058000 [ 0.183542] pci 0000:00:01.0: [10de:0050] type 00 class 0x060100 root bus io range from _CRS does not include that. boot with pci=nocrs should avoid that and it is safe as we get ranges from register. Thanks Yinghai -- 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
