Hi Joseph, thanks for your answer. Currnetly I have two various hardware configuration:
- HPE ProLiant m710p Server Cartridge (have no this problem) - HPE ProLiant m710x Server Cartridge (have this problem) > Did this issue start happening after an update/upgrade? > Was there a prior kernel version where you were not having this particular > problem? Well, I uses debootstrap script for install all needed software automatically and build image with base system. After that I uses this image for boot my nodes via PXE. So each boot I have system that installed from scratch. I've tested the next kernels: - Ubuntu 16.04 with stock kernel: 4.4.0-116-generic - Ubuntu 16.04 with hwe kernel: 4.13.0-36-generic - Ubuntu 16.04 with pve kernel: 4.13.13-6-pve - Debian 9 with pve kernel: 4.13.13-6-pve - Debian 9 with stock kernel: 4.9.0-6-amd64 All of them have this problem, but stock kernels can drops after some time. (I had no this error only on debian with 4.9.0-6-amd64 but presume it exists there because I'm not tested it properly) Another thing, that if I do this steps AFTER the system is boot up: rmmod mlx4_en mlx4_ib mlx4_core modprobe mlx4_core num_vfs=1 port_type_array=2,2 probe_vf=1 systemctl restart networking Everything starts working fine. > Please test the latest v4.16 kernel[0]. Ok, I'll do this -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1755268 Title: Kernel panic when using KVM and Mellanox OFED driver (bonding and sriov enabled) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1755268/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs