Public bug reported: Since I've upgraded to 19.04 my boot was 3 minutes longer due to wait for network. I've tried many tricks, but today I have finally found the source = the bug. My PC has motherboard AsRock Z370M-ITX/ac which has 2 Ethernet ports. When I connect Ethernet cable just to the "first" device "enp3s0" boot is quick, when I connect Ethernet cable just to the "second" device "enp0s31f6" boot is about 3 minutes longer.
It simply waits for the "enp3s0" device. Since there is no mark on the board or on the rear panel which port is "first" and which is "second" it's clear that the failure is on Ubuntu 19.04 side. Ubuntu 18.04 LTS has no such problem. ProblemType: Bug DistroRelease: Ubuntu 19.04 Package: systemd 240-6ubuntu5.3 ProcVersionSignature: Ubuntu 5.0.0-25.26-generic 5.0.18 Uname: Linux 5.0.0-25-generic x86_64 ApportVersion: 2.20.10-0ubuntu27.1 Architecture: amd64 CurrentDesktop: Unity:Unity7:ubuntu Date: Thu Aug 15 21:55:12 2019 InstallationDate: Installed on 2017-12-22 (600 days ago) InstallationMedia: Ubuntu-Server 17.10 "Artful Aardvark" - Release amd64 (20171017.1) MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M. ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.0.0-25-generic root=UUID=d383d414-f179-4df7-a8f3-890dacf8ca33 ro modprobe.blacklist=nouveau intel_iommu=on SourcePackage: systemd UpgradeStatus: Upgraded to disco on 2019-06-22 (54 days ago) dmi.bios.date: 03/21/2018 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: P2.10 dmi.board.name: Z370M-ITX/ac dmi.board.vendor: ASRock dmi.chassis.asset.tag: To Be Filled By O.E.M. dmi.chassis.type: 3 dmi.chassis.vendor: To Be Filled By O.E.M. dmi.chassis.version: To Be Filled By O.E.M. dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP2.10:bd03/21/2018:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnZ370M-ITX/ac:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.: dmi.product.family: To Be Filled By O.E.M. dmi.product.name: To Be Filled By O.E.M. dmi.product.sku: To Be Filled By O.E.M. dmi.product.version: To Be Filled By O.E.M. dmi.sys.vendor: To Be Filled By O.E.M. ** Affects: systemd (Ubuntu) Importance: Undecided Status: New ** Tags: 19.04 ethernet online systemd wait -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1840359 Title: systemd-networkd-wait-online & two ethernet on board To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1840359/+subscriptions -- ubuntu-bugs mailing list firstname.lastname@example.org https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs