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charset="us-ascii" Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.29 Subject: [dpdk-users] Upgrading the Mellanox drivers to v 4.4.3 removes infiniband devices X-BeenThere: users@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK usage discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: users-bounces@dpdk.org Sender: "users" 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/pci0000:00/00= 00:00:09.0/infiniband/mlx4_3 lrwxrwxrwx 1 root root 0 Jan 29 13:06 mlx4_2 -> ../../devices/pci0000:00/00= 00:00:08.0/infiniband/mlx4_2 lrwxrwxrwx 1 root root 0 Jan 29 13:06 mlx4_1 -> ../../devices/pci0000:00/00= 00:00:07.0/infiniband/mlx4_1 lrwxrwxrwx 1 root root 0 Jan 29 13:06 mlx4_0 -> ../../devices/pci0000:00/00= 00:00:06.0/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_d= evice_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 up= grade the drivers. Has anyone faced this type of problems earlier, are there any explicit step= s we need to perform to make sure the infiniband devices are not removed du= ring upgrade of Mellanox drivers? Regards, Kiran This message, including attachments, is CONFIDENTIAL. It may also be privil= eged or otherwise protected by law. If you received this email by mistake p= lease let us know by reply and then delete it from your system; you should = not copy it or disclose its contents to anyone. All messages sent to and fr= om Enea may be monitored to ensure compliance with internal policies and to= protect our business. Emails are not secure and cannot be guaranteed to be= error free as they can be intercepted, amended, lost or destroyed, or cont= ain viruses. The sender therefore does not accept liability for any errors = or omissions in the contents of this message, which arise as a result of em= ail transmission. Anyone who communicates with us by email accepts these ri= sks.