Hi Jason, Thanks for your reply. > On Tue, Jun 02, 2020 at 05:11:31PM +0200, Benjamin Drung wrote: > > Hi, > > > > after a kernel upgrade to version 4.19 (in-house built with Mellanox > > OFED drivers), some of our systems fail to bring up their IPoIB devices > > on boot. Different HCAs are affected (e.g. MT4099 and MT26428). We are > > using rdma-core on Debian and have IPoIB devices (like `ib0.dddd`) > > configured in `/etc/network/interfaces`. Big cluster seem to be more > > affected than smaller ones. In case of the failure, we see this kernel > > message: > > > > ``` > > ib0.dddd: P_Key 0xdddd is not found > > ``` > > I think this means you are missing some IPoIB bug fixes? Could you point to me which bugfixes are you talking about? I will look into backporting to our MLNX-OFED 4.5. Regards, Jinpu
