apport information ** Tags added: apport-collected uec-images
** Description changed: Ubuntu Bionic 18.04 LTS: We found that default bionic kernel 4.15.0-46-generic doesn't support ethtool -C adaptive-tx Our ethernet card is Mellanox Connect4-Lx and Connect5, and this will affect performance of latency sensitive workloads like memcached. Maybe we should backport adaptive-tx support to kernel 4.15 LTS? Xeon Skylake 8168 x86_64: ubuntu kernel 4.15.0-46-generic eth: mlx5 connect-5 ethtool doesn't support adaptive-tx (ethernet TX interrupt coalesce) X-Gene3 aarch64: ubuntu kernel 4.18.0-16-generic, eth: mlx5 connect-4lx ethtool supports adaptive-tx (ethernet TX interrupt coalesce) Same Xeon Skylake 8168 x86_64 latest kernel 5.2.0-rc2 eth: mlx5 connect-5 ethtool supports adaptive-tx (ethernet TX interrupt coalesce) + --- + ProblemType: Bug + AlsaDevices: + total 0 + crw-rw---- 1 root audio 116, 1 Jun 12 14:42 seq + crw-rw---- 1 root audio 116, 33 Jun 12 14:42 timer + AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay' + ApportVersion: 2.20.9-0ubuntu7.6 + Architecture: arm64 + ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord': 'arecord' + AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: + DistroRelease: Ubuntu 18.04 + IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig' + MachineType: AmpereComputing(R) OSPREY EV-883832-X3-0001 + Package: linux (not installed) + PciMultimedia: + + ProcEnviron: + TERM=xterm-256color + PATH=(custom, no user) + LANG=C.UTF-8 + SHELL=/bin/bash + ProcFB: 0 astdrmfb + ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.18.0-16-generic root=UUID=698f489c-124b-4ebb-b6c3-14c8b82c978d ro console=ttyAMA0,115200 iommu.passthrough=1 + ProcVersionSignature: Ubuntu 4.18.0-16.17~18.04.1-generic 4.18.20 + RelatedPackageVersions: + linux-restricted-modules-4.18.0-16-generic N/A + linux-backports-modules-4.18.0-16-generic N/A + linux-firmware 1.173.3 + RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill' + Tags: bionic uec-images + Uname: Linux 4.18.0-16-generic aarch64 + UpgradeStatus: No upgrade log present (probably fresh install) + UserGroups: + + _MarkForUpload: True + dmi.bios.date: 09/25/2018 + dmi.bios.vendor: Ampere(TM) + dmi.bios.version: 4.8.19 + dmi.board.asset.tag: APCX3A1-A526-16050501200016 + dmi.board.name: OSPREY + dmi.board.vendor: AmpereComputing(R) + dmi.board.version: EV-883832-X3-OD1-2 + dmi.chassis.asset.tag: APCX3A1-A526-16050501200016 + dmi.chassis.type: 23 + dmi.chassis.vendor: AmpereComputing(R) + dmi.chassis.version: APCA1A1-00000000 + dmi.modalias: dmi:bvnAmpere(TM):bvr4.8.19:bd09/25/2018:svnAmpereComputing(R):pnOSPREYEV-883832-X3-0001:pvrPR010:rvnAmpereComputing(R):rnOSPREY:rvrEV-883832-X3-OD1-2:cvnAmpereComputing(R):ct23:cvrAPCA1A1-00000000: + dmi.product.family: eMAG + dmi.product.name: OSPREY EV-883832-X3-0001 + dmi.product.sku: EV-883832-X3-OBX-1 + dmi.product.version: PR010 + dmi.sys.vendor: AmpereComputing(R) ** Attachment added: "CRDA.txt" https://bugs.launchpad.net/bugs/1832641/+attachment/5270420/+files/CRDA.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1832641 Title: 4.15.0-46-generic doesn't support ethtool adaptive-tx for mlx5 card To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1832641/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
