Hello Fabian, On 26.09.19 09:46, Fabian Arrotin wrote: > On 25/09/2019 10:30, Ralf Aumüller wrote: ... >> today I updated a CentOS 7.6 ppc64le machine to CentOS 7.7. After reboot >> to the new kernel (4.18.0-80.7.2.el7.ppc64le) dkms could not build the >> nvidia-module. ...>> Any comments? thanks for Your quick response. > Well, if you use that kernel, that means you're on Power9 variant, and > that architecture doesn't exist anymore upstream (so no RHEL 7.7 for > Power9). > As almost all packages are just ppc64le (which still exist upstream), > the decision was to still provide 7.7.1908 for Power9 users, but using > the kernel from CentOS 8, rebuilt for CentOS 7. (same is also true for > aarch64) > > For that kernel to be built, we had to use newer gcc, that you can > find/use through devtoolset-8 : > http://mirror.centos.org/altarch/7/sclo/ppc64le/rh/devtoolset-8/ Ok. So I try to install devtoolset-8 and build the nvidia-driver with that gcc. > Curious : which kind of machine do you have that has both a Power9 and > nvidia ? that seems to *not* be an IBM node, but a kind of openpower > workstation ? It'a a IBM Power System AC922 (8335-GTH) with Nvidia Tesla V100 graphic cards. Supercomputer "Summit" uses this nodes (https://www.olcf.ornl.gov/summit/). > PS2 : worth creating a bug report on https://bugs.centos.org for easier > tracking and also indexing, so that other people in your situation would > follow the bug report (index by crawlers) and eventually discussion can > happen there. I will do that. Best regards, Ralf