On Sat, 21 Dec 2024, Zhu Yanjun wrote: > 在 2024/12/20 18:10, Holger Kiehl 写道: > > Hello, > > > > since upgrading from kernel 6.10 to 6.11 (also 6.12) one Infiniband > > card sometimes hits this error: > > > > kernel: workqueue: Failed to create a rescuer kthread for wq "ipoib_wq": > > kernel: -EINTR > > kernel: ib0: failed to allocate device WQ > > kernel: mlx5_1: failed to initialize device: ib0 port 1 (ret = -12) > > kernel: mlx5_1: couldn't register ipoib port 1; error -12 > > > > The system has two cards: > > > > 41:00.0 Infiniband controller: Mellanox Technologies MT28908 Family > > [ConnectX-6] > > c4:00.0 Infiniband controller: Mellanox Technologies MT28908 Family > > [ConnectX-6] > > > > If that happens one cannot use that card for TCP/IP communication. It does > > not always happen, but when it does it always happens with the second > > card mlx5_1. Never with mlx5_0. This happens on four different systems. > > > > Any idea what I can do to stop this from happening? > > > > Regards, > > Holger > > > > PS: Firmware for both cards is 20.41.1000 > > It is very possible that FW is not compatible with the driver. IMO, you can > make tests with Mellanox OFED. > Thanks, I did not know there was another driver. I just had a look, but since I build my own kernels via 'make binrpm-pkg' and then distribute them, this seems a to big hurdle to overcome for me. > If the driver is compatible with FW, this problem should disappear. > Actually the firmware has always been 20.39.1002 and after the problems appeared I have upgraded to 20.41.1000, hoping it will solve the problem. Regards, Holger
