Ubuntu
linux-azure package

  1. Bug #2039208
  2. Comment #0

Comment 0 for bug 2039208

Revision history for this message
Tim Gardner (timg-tpi) wrote :

SRU Justification

[Impact]
On Azure, the VM SKU Standard_NC64as_T4_v3's bandwidth is 30 Gbps, but we can only reach 15~20 Gbps with the 5.15.0-1049-azure kernel in Ubuntu 20.04 or the 6.2.0-1014-azure kernel in Ubuntu 22.04.

After I pick up the upstream patch(es) to enable PCI relaxed ordering (RO) for the Mellanox VF NIC, the throughput goes up to 30.4 Gbps.

[Test Plan]

Microsoft tested

[Regression Potential]

Mellanox connections could be corrupted or run slower.

[Other Info]

SF: #00370735