I can reproduce the issue in Azure with Ubuntu 18.04 and the kernel
linux-azure-edge 4.18.0.1004.5 from bionic-proposed.
I use an instance of type "Standard F4s_v2 (4 vcpus, 8 GB memory)"
I launch the instance and get the 4.15.0-1030-azure kernel:
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 18.04.1 LTS
Release: 18.04
Codename: bionic
$ uname -a
Linux davecore-an 4.15.0-1030-azure #31-Ubuntu SMP Tue Oct 30 18:35:53 UTC 2018
x86_64 x86_64 x86_64 GNU/Linux
$ dmesg | grep -i mella
[ 27.398120] mlx4_core: Mellanox ConnectX core driver v4.0-0
[ 27.425228] <mlx4_ib> mlx4_ib_add: mlx4_ib: Mellanox ConnectX InfiniBand
driver v4.0-0
[ 27.658916] mlx4_en: Mellanox ConnectX HCA Ethernet driver v4.0-0
$ dpkg -l | grep linux-azure
ii linux-azure 4.15.0.1030.30
amd64 Complete Linux kernel for Azure systems.
ii linux-azure-cloud-tools-4.15.0-1030 4.15.0-1030.31
amd64 Linux kernel version specific cloud tools for version
4.15.0-1030
ii linux-azure-headers-4.15.0-1030 4.15.0-1030.31
all Header files related to Linux kernel version 4.15.0
ii linux-azure-tools-4.15.0-1030 4.15.0-1030.31
amd64 Linux kernel version specific tools for version 4.15.0-1030
$ lsmod | grep -i mlx
mlx4_en 114688 0
$ lspci
0000:00:00.0 Host bridge: Intel Corporation 440BX/ZX/DX - 82443BX/ZX/DX Host
bridge (AGP disabled) (rev 03)
0000:00:07.0 ISA bridge: Intel Corporation 82371AB/EB/MB PIIX4 ISA (rev 01)
0000:00:07.1 IDE interface: Intel Corporation 82371AB/EB/MB PIIX4 IDE (rev 01)
0000:00:07.3 Bridge: Intel Corporation 82371AB/EB/MB PIIX4 ACPI (rev 02)
0000:00:08.0 VGA compatible controller: Microsoft Corporation Hyper-V virtual
VGA
0001:00:02.0 Ethernet controller: Mellanox Technologies MT27500/MT27520 Family
[ConnectX-3/ConnectX-3 Pro Virtual Function]
I then enable bionic-proposed and install the linux-azure-edge kernel
and reboot. I can't see the Mellanox device anymore:
$ dmesg | grep -i mella
$ uname -a
Linux davecore-an 4.18.0-1004-azure #4~18.04.1-Ubuntu SMP Thu Oct 25 14:25:41
UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
$ dpkg -l | grep linux-azure
ii linux-azure 4.15.0.1030.30
amd64 Complete Linux kernel for Azure systems.
ii linux-azure-cloud-tools-4.15.0-1030 4.15.0-1030.31
amd64 Linux kernel version specific cloud tools for version
4.15.0-1030
ii linux-azure-edge 4.18.0.1004.5
amd64 Complete Linux kernel for Azure systems.
ii linux-azure-edge-cloud-tools-4.18.0-1004 4.18.0-1004.4~18.04.1
amd64 Linux kernel version specific cloud tools for version
4.18.0-1004
ii linux-azure-edge-tools-4.18.0-1004 4.18.0-1004.4~18.04.1
amd64 Linux kernel version specific tools for version
4.18.0-1004
ii linux-azure-headers-4.15.0-1030 4.15.0-1030.31
all Header files related to Linux kernel version 4.15.0
ii linux-azure-headers-4.18.0-1004 4.18.0-1004.4~18.04.1
all Header files related to Linux kernel version 4.18.0
ii linux-azure-tools-4.15.0-1030 4.15.0-1030.31
amd64 Linux kernel version specific tools for version
4.15.0-1030
$ lspci
00:00.0 Host bridge: Intel Corporation 440BX/ZX/DX - 82443BX/ZX/DX Host bridge
(AGP disabled) (rev 03)
00:07.0 ISA bridge: Intel Corporation 82371AB/EB/MB PIIX4 ISA (rev 01)
00:07.1 IDE interface: Intel Corporation 82371AB/EB/MB PIIX4 IDE (rev 01)
00:07.3 Bridge: Intel Corporation 82371AB/EB/MB PIIX4 ACPI (rev 02)
00:08.0 VGA compatible controller: Microsoft Corporation Hyper-V virtual VGA
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https://bugs.launchpad.net/bugs/1794477
Title:
Accelerated networking (SR-IOV VF) broken in 18.10 daily
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