+@Feras Daoud, @Noa Spanier,
Guys,
Can you kindly assist with the bellow ?
Kindest regards,
Raslan Darawsheh
> -----Original Message-----
> From: users <users-bounces@dpdk.org> On Behalf Of Kiran Shinde
> Sent: Tuesday, February 2, 2021 7:26 AM
> To: users@dpdk.org
> Subject: [dpdk-users] Upgrading the Mellanox drivers to v 4.4.3 removes
> infiniband devices
>
> Background:
> RHEL version: Red Hat Enterprise Linux Server release 7.5 (Maipo)
> DPDK version: 17.11.4
> Current Mellanox driver version: 4.0.2
> lspci | grep Mell
> 00:06.0 Ethernet controller: Mellanox Technologies MT27500/MT27520 Family
> [ConnectX-3/ConnectX-3 Pro Virtual Function]
> 00:07.0 Ethernet controller: Mellanox Technologies MT27500/MT27520 Family
> [ConnectX-3/ConnectX-3 Pro Virtual Function]
> 00:08.0 Ethernet controller: Mellanox Technologies MT27500/MT27520 Family
> [ConnectX-3/ConnectX-3 Pro Virtual Function]
> 00:09.0 Ethernet controller: Mellanox Technologies MT27500/MT27520 Family
> [ConnectX-3/ConnectX-3 Pro Virtual Function]
>
>
> We have a system with above configuration running, we have below
> infiniband devices in place before upgrade.
> ls -lrt /sys/class/infiniband/
> total 0
> lrwxrwxrwx 1 root root 0 Jan 29 13:06 mlx4_3 ->
> ../../devices/pci0000:00/0000:00:09.0/infiniband/mlx4_3
> lrwxrwxrwx 1 root root 0 Jan 29 13:06 mlx4_2 ->
> ../../devices/pci0000:00/0000:00:08.0/infiniband/mlx4_2
> lrwxrwxrwx 1 root root 0 Jan 29 13:06 mlx4_1 ->
> ../../devices/pci0000:00/0000:00:07.0/infiniband/mlx4_1
> lrwxrwxrwx 1 root root 0 Jan 29 13:06 mlx4_0 ->
> ../../devices/pci0000:00/0000:00:06.0/infiniband/mlx4_0
>
> When we upgrade Mellanox driver to mlnx-en-4.4-2.0.7.0 and restart the
> /etc/init.d/mlnx-en.d, we see all above devices get removed and hence
> ibv_get_device_list function is not able to find any device.
> Please note we have used image mlnx-en-4.4-2.0.7.0-rhel7.5-x86_64.iso to
> upgrade the drivers.
>
> Has anyone faced this type of problems earlier, are there any explicit steps
> we need to perform to make sure the infiniband devices are not removed
> during upgrade of Mellanox drivers?
>
> Regards,
> Kiran
>
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