openPOWERLINK V2.7.2
Hello Omar, currently, we cannot reproduce the problem. However, it seems that the 'ioremap_nocache' function (in 'pciedrv.c') fails to map the corresponding memory regions. Between Linux kernel version 4.4 and 4.19, a few changes have been released in the context of this function. Maybe these changes result in the observed behavior. Apart from that, the mentioned function is not recommended to be used for mapping of PCIe BARs. The corresponding recommended PCIe function would be 'pci_iomap'. Maybe...