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From: Raslan Darawsheh <rasland@nvidia.com>
To: Kiran Shinde <Kiran.Shinde@enea.com>,
	"users@dpdk.org" <users@dpdk.org>,
	Feras Daoud <ferasda@nvidia.com>, Noa Spanier <noas@nvidia.com>
Cc: Asaf Penso <asafp@nvidia.com>, Shy Shyman <shys@nvidia.com>
Subject: Re: [dpdk-users] Upgrading the Mellanox drivers to v 4.4.3 removes infiniband devices
Date: Sun, 7 Feb 2021 12:23:59 +0000	[thread overview]
Message-ID: <DM6PR12MB2748F4AC24D1C6E962004105CFB09@DM6PR12MB2748.namprd12.prod.outlook.com> (raw)
In-Reply-To: <DB7PR03MB42518E9D877D7C89473D9BB9F6B59@DB7PR03MB4251.eurprd03.prod.outlook.com>

+@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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      reply	other threads:[~2021-02-07 12:24 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-02  5:25 Kiran Shinde
2021-02-07 12:23 ` Raslan Darawsheh [this message]

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