[Qemu-devel] [Bug 1790975] Re: arm virt ecam pcie conflict

[Jonathan Marler]

Oh, I forgot, I should have also posted the relevant DTS contents:

        address@hidden {
                interrupt-map-mask = <0x1800 0x0 0x0 0x7>;
                interrupt-map = <0x0 0x0 0x0 0x1 0x8001 0x0 0x0 0x0 0x3 0x4 0x0 
0x0 0x0 0x2 0x8001 0x0 0x0 0x0 0x4 0x4 0x0 0x0 0x0 0x3 0x8001 0x0 0x0 0x0 0x5 
0x4 0x0 0x0 0x0 0x4 0x8001 0x0 0x0 0x0 0x6 0x4 0x800 0x0 0x0 0x1 0x8001 0x0 0x0 
0x0 0x4 0x4 0x800 0x0 0x0 0x2 0x8001 0x0 0x0 0x0 0x5 0x4 0x800 0x0 0x0 0x3 
0x8001 0x0 0x0 0x0 0x6 0x4 0x800 0x0 0x0 0x4 0x8001 0x0 0x0 0x0 0x3 0x4 0x1000 
0x0 0x0 0x1 0x8001 0x0 0x0 0x0 0x5 0x4 0x1000 0x0 0x0 0x2 0x8001 0x0 0x0 0x0 
0x6 0x4 0x1000 0x0 0x0 0x3 0x8001 0x0 0x0 0x0 0x3 0x4 0x1000 0x0 0x0 0x4 0x8001 
0x0 0x0 0x0 0x4 0x4 0x1800 0x0 0x0 0x1 0x8001 0x0 0x0 0x0 0x6 0x4 0x1800 0x0 
0x0 0x2 0x8001 0x0 0x0 0x0 0x3 0x4 0x1800 0x0 0x0 0x3 0x8001 0x0 0x0 0x0 0x4 
0x4 0x1800 0x0 0x0 0x4 0x8001 0x0 0x0 0x0 0x5 0x4>;
                #interrupt-cells = <0x1>;
                ranges = <0x1000000 0x0 0x0 0x0 0x3eff0000 0x0 0x10000 
0x2000000 0x0 0x10000000 0x0 0x10000000 0x0 0x2eff0000 0x3000000 0x80 0x0 0x80 
0x0 0x80 0x0>;
                reg = <0x40 0x10000000 0x0 0x10000000>;
                msi-parent = <0x8002>;
                dma-coherent;
                bus-range = <0x0 0xff>;
                linux,pci-domain = <0x0>;
                #size-cells = <0x2>;
                #address-cells = <0x3>;
                device_type = "pci";
                compatible = "pci-host-ecam-generic";
        };

-- 
You received this bug notification because you are a member of qemu-
devel-ml, which is subscribed to QEMU.
https://bugs.launchpad.net/bugs/1790975

Title:
  arm virt ecam pcie conflict

Status in QEMU:
  New

Bug description:
  This occurs on qemu_v3.0.0 but not on qemu_v2.12.2 (built from
  qemu_v3.0.0 tag on github)

  Symptom: You'll see something like this in the kernel output:

  [    1.285210] OF: PCI: host bridge /address@hidden ranges:
  [    1.286246] OF: PCI:    IO 0x3eff0000..0x3effffff -> 0x00000000
  [    1.287061] OF: PCI:   MEM 0x10000000..0x3efeffff -> 0x10000000
  [    1.287820] OF: PCI:   MEM 0x8000000000..0xffffffffff -> 0x8000000000
  [    1.289312] pci-host-generic 4010000000.pcie: can't claim ECAM area [mem 
0x10000000-0x1fffffff]: address conflict with /address@hidden [mem 
0x10000000-0x3efeffff]
  [    1.290984] pci-host-generic: probe of 4010000000.pcie failed with error 
-16

  
  Qemu Command Line: qemu-system-arm -machine virt -m 1024M -kernel zImage 
-serial stdio

  I can post my zImage if anyone has problems reproducing with their own
  zImage.

To manage notifications about this bug go to:
https://bugs.launchpad.net/qemu/+bug/1790975/+subscriptions