Output for the mentioned command: #uname -a Linux eve-valued-elf 6.8.0-53-generic #55-Ubuntu SMP PREEMPT_DYNAMIC Fri Jan 17 15:37:52 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux
> When did you start experiencing this bug? >> I have been experiencing this issue whenever I run a network test with 100G >> speed. I have never been able to achieve 80% bandwidth, and the issue >> remains the same. > Do you know of a older kernel version that did not experience this issue? >> No, the network test has never achieved 80% bandwidth at 100G speed. I have >> tested it on both Ubuntu 22.04 and 24.04. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2098944 Title: Failed to achieve more than 80% of the bandwidth on a 100Gbps connection during the network test Status in linux package in Ubuntu: Confirmed Bug description: Server Details: SUT - Cisco UCS X210c M7 Ubuntu OS - 22.04/24.04 VIC/Ethernet Adapter - Cisco UCS VIC 15231 / UCSX-ML-V5D200G he SUT is configured to run the network test using the canonical- certification-server package, with both the SUT and iPerf test servers set up as per the Test Suite Guide. Both servers are in a 100Gb switch environment. The issue occurs with achieving 80-90% bandwidth during the network stress test, and this is observed on both blade and rack servers. However, when testing with 10G and 25G network speeds, 80-90% bandwidth is successfully achieved. Below is a list of network cards on which the network tests passed. Cisco UCS VIC 15427 Cisco UCS VIC 15420 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2098944/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
