On Fri, Jan 13, 2023 at 06:46:03PM +0800, Baowen Zheng wrote: > Hello Bjorn Helgaas: > > When we tested our NIC, we found we will fail to access pcie extent configuration space. > Actually we can only access the 256 Bytes of the pcie configuration space. > You can make check with command of "lspci -s XXXX -vv" > It seems relates to this change, could you please help to make a check? Can you test these patches? https://lore.kernel.org/linux-pci/20230110180243.1590045-1-helgaas@xxxxxxxxxx/ Let me know if they don't fix the problem. Bjorn
