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

[Auger Eric]

Hi,

On 09/06/2018 12:08 AM, Jonathan Marler wrote:
> Public bug reported:
> 
> 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

Please can you try using
qemu-system-arm -machine virt,highmem=off -m 1024M -kernel zImage
-serial stdio

Does your guest support LPAE? This may be the cause.

Thanks

Eric
> 
> I can post my zImage if anyone has problems reproducing with their own
> zImage.
> 
> ** Affects: qemu
>      Importance: Undecided
>          Status: New
>