On 07.06.2018 22:14, Georg Bege wrote: > The Linux kernel is saying that one should choose 16KB for optimal performance, only 4KB should be chosen for best compatibility regarding 32bit applications. > > However when compiling the kernel with 16KB pages, the HP C8k refuses to boot up. > > I've attached the serial output, is this a well known issue? Yes. > What are the reasons behind this? Kernel code is missing, to make the PARISC PCI controller drivers aware of larger page sizes. Someone with good knowledge is missing who is able to do that. Helge -- To unsubscribe from this list: send the line "unsubscribe linux-parisc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html