Hi Bjiorn I don't see any log of __pci_bridge_assign_resources. This platform makes use of pci-bridge-emul.c functions. Don't know if that can be responsible for not calling __pci_bridge_assign_resources(...). Luís On Wed, Apr 1, 2020 at 10:20 PM Luís Mendes <luis.p.mendes@xxxxxxxxx> wrote: > > Hi Bjorn, > > Here is the dmesg output with the new kernel patch: > https://paste.ubuntu.com/p/7cv7ZcyrnG/ > > Luís > > On Wed, Apr 1, 2020 at 7:16 PM Bjorn Helgaas <helgaas@xxxxxxxxxx> wrote: > > > > On Tue, Mar 31, 2020 at 10:28:51PM +0100, Luís Mendes wrote: > > > I've removed all other PCIe devices to make the analysis easier. > > > The dmesg with the traces can be found at: > > > https://paste.ubuntu.com/p/W3m2VQCYqg/ > > > > > > Didn't find anything new related to BAR0 or BAR2, in the dmesg, > > > though. Anyway I'm no expert in this, maybe it can give you some > > > useful information, still. > > > > It looks like we assigned the right amount of space to the bridge, but > > for some reason didn't assign it to the device *below* the bridge. > > > > I added a few more messages in this patch. Can you remove the first > > one and replace it with this? This is still based on v5.6-rc1. > > > > > > diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c > > index 8e40b3e6da77..2cdb705752de 100644 > > --- a/drivers/pci/bus.c > > +++ b/drivers/pci/bus.c > ...
