yes and no. I did disabled tso, but still had some problems, after that i enabled tso and disabled rx/tx checksum That also did not resolve the issue, so as last resort i disabled GSO,GRO,TSO offload and ,RX,TX checksum check
ethtool -K <nic> gso off gro off tso off rx off tx off -- 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/1832101 Title: systemd-networkd: Lost carrier e1000 Status in linux package in Ubuntu: Confirmed Bug description: Just installed a fresh installation of ubuntu 19 on our server and we're having a lot of carrier-lost erros. There is no really good indicaton why this is hapening. Tried the following : disabled ipv6 (just to be sure), on nic set GSO,GRO,TSO to off. removed netplan, switched to systemd-networkd and added configurewithoutcarrier to true, the option ignorecarrierlost is not accepted by systemd. Description: Ubuntu 19.04 Release: 19.04 Kernel Log Jun 8 12:11:17 mc2 kernel: [30304.199050] ------------[ cut here ]------------ Jun 8 12:11:17 mc2 kernel: [30304.199052] NETDEV WATCHDOG: eno1 (e1000e): transmit queue 0 timed out Jun 8 12:11:17 mc2 kernel: [30304.199062] WARNING: CPU: 8 PID: 0 at net/sched/sch_generic.c:461 dev_watchdog+0x221/0x230 Jun 8 12:11:17 mc2 kernel: [30304.199062] Modules linked in: intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 crypto_simd cryptd glue_helper intel_cstate intel_rapl_perf intel_wmi_thunderbolt wmi_bmof intel_pch_thermal mac_hid acpi_pad ip6t_REJE CT nf_reject_ipv6 nf_log_ipv6 xt_hl ip6t_rt ipt_REJECT nf_reject_ipv4 nf_log_ipv4 nf_log_common xt_LOG xt_multiport xt_limit xt_tcpudp xt_addrtype sch_fq_codel xt_conntrack ip6 table_filter ip6_tables nf_conntrack_netbios_ns nf_conntrack_broadcast nf_nat_ftp nf_nat nf_conntrack_ftp nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 iptable_filter bpfilter ip_ tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid0 multipath linear raid1 e1000e nvme ahci i2c_i801 libahci nvme_core wmi video pinctrl_cannonlake pinctrl_intel Jun 8 12:11:17 mc2 kernel: [30304.199080] CPU: 8 PID: 0 Comm: swapper/8 Not tainted 5.0.0-16-generic #17-Ubuntu Jun 8 12:11:17 mc2 kernel: [30304.199081] Hardware name: Gigabyte Technology Co., Ltd. B360 HD3P-LM/B360HD3PLM-CF, BIOS F4 HZ 04/30/2019 Jun 8 12:11:17 mc2 kernel: [30304.199082] RIP: 0010:dev_watchdog+0x221/0x230 Jun 8 12:11:17 mc2 kernel: [30304.199083] Code: 00 49 63 4e e0 eb 92 4c 89 ef c6 05 9a 92 f0 00 01 e8 13 38 fc ff 89 d9 4c 89 ee 48 c7 c7 68 5e da 95 48 89 c2 e8 71 f1 79 ff <0f> 0b eb c0 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 Jun 8 12:11:17 mc2 kernel: [30304.199083] RSP: 0018:ffff93adff203e68 EFLAGS: 00010286 Jun 8 12:11:17 mc2 kernel: [30304.199084] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000006 Jun 8 12:11:17 mc2 kernel: [30304.199084] RDX: 0000000000000007 RSI: 0000000000000096 RDI: ffff93adff216440 Jun 8 12:11:17 mc2 kernel: [30304.199084] RBP: ffff93adff203e98 R08: 0000000000000001 R09: 0000000000000c61 Jun 8 12:11:17 mc2 kernel: [30304.199085] R10: 0000000000000004 R11: 0000000000000000 R12: 0000000000000001 Jun 8 12:11:17 mc2 kernel: [30304.199085] R13: ffff93adec480000 R14: ffff93adec4804c0 R15: ffff93adeca74080 Jun 8 12:11:17 mc2 kernel: [30304.199086] FS: 0000000000000000(0000) GS:ffff93adff200000(0000) knlGS:0000000000000000 Jun 8 12:11:17 mc2 kernel: [30304.199086] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Jun 8 12:11:17 mc2 kernel: [30304.199086] CR2: 00007f7783ea4300 CR3: 000000043920e003 CR4: 00000000003606e0 Jun 8 12:11:17 mc2 kernel: [30304.199087] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Jun 8 12:11:17 mc2 kernel: [30304.199087] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Jun 8 12:11:17 mc2 kernel: [30304.199087] Call Trace: Jun 8 12:11:17 mc2 kernel: [30304.199088] <IRQ> Jun 8 12:11:17 mc2 kernel: [30304.199090] ? pfifo_fast_enqueue+0x120/0x120 Jun 8 12:11:17 mc2 kernel: [30304.199091] call_timer_fn+0x30/0x130 Jun 8 12:11:17 mc2 kernel: [30304.199092] run_timer_softirq+0x3e4/0x420 Jun 8 12:11:17 mc2 kernel: [30304.199093] ? ktime_get+0x3c/0xa0 Jun 8 12:11:17 mc2 kernel: [30304.199095] ? lapic_next_deadline+0x26/0x30 Jun 8 12:11:17 mc2 kernel: [30304.199096] ? clockevents_program_event+0x93/0xf0 Jun 8 12:11:17 mc2 kernel: [30304.199097] __do_softirq+0xdc/0x2f3 Jun 8 12:11:17 mc2 kernel: [30304.199099] irq_exit+0xc0/0xd0 Jun 8 12:11:17 mc2 kernel: [30304.199099] smp_apic_timer_interrupt+0x79/0x140 Jun 8 12:11:17 mc2 kernel: [30304.199100] apic_timer_interrupt+0xf/0x20 Jun 8 12:11:17 mc2 kernel: [30304.199101] </IRQ> Jun 8 12:11:17 mc2 kernel: [30304.199102] RIP: 0010:cpuidle_enter_state+0xbd/0x450 Jun 8 12:11:17 mc2 kernel: [30304.199103] Code: ff e8 87 36 87 ff 80 7d c7 00 74 17 9c 58 0f 1f 44 00 00 f6 c4 02 0f 85 63 03 00 00 31 ff e8 ba 65 8d ff fb 66 0f 1f 44 00 00 < 45> 85 ed 0f 88 8d 02 00 00 49 63 cd 48 8b 75 d0 48 2b 75 c8 48 8d Jun 8 12:11:17 mc2 kernel: [30304.199103] RSP: 0018:ffffbd934635be60 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 Jun 8 12:11:17 mc2 kernel: [30304.199104] RAX: ffff93adff222d80 RBX: ffffffff96153c80 RCX: 000000000000001f Jun 8 12:11:17 mc2 kernel: [30304.199104] RDX: 00001b8fbf04fa77 RSI: 00000000238e38e3 RDI: 0000000000000000 Jun 8 12:11:17 mc2 kernel: [30304.199104] RBP: ffffbd934635bea0 R08: 0000000000000000 R09: 0000000000022640 Jun 8 12:11:17 mc2 kernel: [30304.199105] R10: 00006352c2dadb3e R11: ffff93adff221c04 R12: ffff93adff22d800 Jun 8 12:11:17 mc2 kernel: [30304.199105] R13: 0000000000000006 R14: ffffffff96153ed8 R15: ffffffff96153ec0 Jun 8 12:11:17 mc2 kernel: [30304.199106] cpuidle_enter+0x17/0x20 Jun 8 12:11:17 mc2 kernel: [30304.199108] call_cpuidle+0x23/0x40 Jun 8 12:11:17 mc2 kernel: [30304.199109] do_idle+0x23a/0x280 Jun 8 12:11:17 mc2 kernel: [30304.199110] cpu_startup_entry+0x1d/0x20 Jun 8 12:11:17 mc2 kernel: [30304.199111] start_secondary+0x1ab/0x200 Jun 8 12:11:17 mc2 kernel: [30304.199112] secondary_startup_64+0xa4/0xb0 Jun 8 12:11:17 mc2 kernel: [30304.199113] ---[ end trace c329b3b416c2fdf3 ]--- Jun 8 12:11:17 mc2 kernel: [30304.199121] e1000e 0000:00:1f.6 eno1: Reset adapter unexpectedly Jun 8 12:11:21 mc2 kernel: [30308.410432] e1000e: eno1 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: Rx/Tx --- ProblemType: Bug AlsaDevices: total 0 crw-rw---- 1 root audio 116, 1 Jun 9 03:15 seq crw-rw---- 1 root audio 116, 33 Jun 9 03:15 timer AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay' ApportVersion: 2.20.10-0ubuntu27 Architecture: amd64 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 19.04 HibernationDevice: IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig' Lsusb: Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: Gigabyte Technology Co., Ltd. B360 HD3P-LM Package: linux (not installed) PciMultimedia: ProcFB: ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.0.0-16-generic root=UUID=272b751b-985b-4a98-b5a3-635ea2ec16c5 ro netcfg/do_not_use_netplan=true nomodeset consoleblank=0 ProcVersionSignature: Ubuntu 5.0.0-16.17-generic 5.0.8 RelatedPackageVersions: linux-restricted-modules-5.0.0-16-generic N/A linux-backports-modules-5.0.0-16-generic N/A linux-firmware 1.178.1 RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill' Tags: disco Uname: Linux 5.0.0-16-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: _MarkForUpload: True dmi.bios.date: 04/30/2019 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: F4 HZ dmi.board.asset.tag: Default string dmi.board.name: B360HD3PLM-CF dmi.board.vendor: Gigabyte Technology Co., Ltd. dmi.board.version: Default string dmi.chassis.asset.tag: Default string dmi.chassis.type: 3 dmi.chassis.vendor: Default string dmi.chassis.version: Default string dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrF4HZ:bd04/30/2019:svnGigabyteTechnologyCo.,Ltd.:pnB360HD3P-LM:pvrDefaultstring:rvnGigabyteTechnologyCo.,Ltd.:rnB360HD3PLM-CF:rvrDefaultstring:cvnDefaultstring:ct3:cvrDefaultstring: dmi.product.family: Default string dmi.product.name: B360 HD3P-LM dmi.product.sku: Default string dmi.product.version: Default string dmi.sys.vendor: Gigabyte Technology Co., Ltd. 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