+@Feras Daoud, @Noa Spanier, Guys, Can you kindly assist with the bellow ?
Kindest regards, Raslan Darawsheh > -----Original Message----- > From: users <[email protected]> On Behalf Of Kiran Shinde > Sent: Tuesday, February 2, 2021 7:26 AM > To: [email protected] > 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 > > This message, including attachments, is CONFIDENTIAL. It may also be > privileged or otherwise protected by law. If you received this email by > mistake please 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 from 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 > contain 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 email > transmission. Anyone who communicates with us by email accepts these > risks.
