My computer was newly installed with 15.10, no prior Ubuntu version, so I don't know whether the problem is new in this release.
I don't see how a upstream kernel would be relevant. This is not a kernel issue, it's an issue with systemd trying to mount filesystems before the network is all the way up. If you can give me a plausible theory for why the underlying kernel, rather than systemd, might be at fault here, then I'd be willing to take the time to build and test an upstream kernel. Absent such a plausible theory, it just seems like you're wasting my time because you haven't actually read and understood the details of the bug? -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to systemd in Ubuntu. https://bugs.launchpad.net/bugs/1536294 Title: Network filesystems don't mount on boot Status in systemd package in Ubuntu: Incomplete Bug description: Ubuntu 15.10, I have several CIFS filesystems listed in /etc/fstab. They don't mount at boot. If I list them by host name in /etc/fstab, mount says name resolution failed in the boot logs. If I list them by IP address, mount says the network is unreachable in the boot logs. If fixed this by adding the following in /etc/systemd/system/remote- fs-pre.target.d/override.conf: [Unit] Requires=NetworkManager-wait-online.service After=NetworkManager-wait-online.service See also #1313513. This is a problem in older, pre-systemd versions of Ubuntu as well. --- ApportVersion: 2.19.1-0ubuntu5 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC2: jik 2922 F.... pulseaudio /dev/snd/controlC1: jik 2922 F.... pulseaudio /dev/snd/controlC0: jik 2922 F.... pulseaudio DistroRelease: Ubuntu 15.10 HibernationDevice: RESUME=UUID=77f36398-76d6-438c-95c5-2a0ac83629ea InstallationDate: Installed on 2016-01-16 (4 days ago) InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021) MachineType: Acer Predator G6-710 NonfreeKernelModules: nvidia Package: linux (not installed) ProcFB: 0 EFI VGA ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.2.0-25-generic.efi.signed root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7 ProcVersionSignature: Ubuntu 4.2.0-25.30-generic 4.2.6 RelatedPackageVersions: linux-restricted-modules-4.2.0-25-generic N/A linux-backports-modules-4.2.0-25-generic N/A linux-firmware 1.149.3 Tags: wily UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev' Uname: Linux 4.2.0-25-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip libvirtd lpadmin plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 09/21/2015 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: R01-A1 dmi.board.name: Predator G6-710 dmi.board.vendor: Acer dmi.chassis.type: 3 dmi.chassis.vendor: Acer dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrR01-A1:bd09/21/2015:svnAcer:pnPredatorG6-710:pvr:rvnAcer:rnPredatorG6-710:rvr:cvnAcer:ct3:cvr: dmi.product.name: Predator G6-710 dmi.sys.vendor: Acer --- ApportVersion: 2.19.1-0ubuntu5 Architecture: amd64 DistroRelease: Ubuntu 15.10 InstallationDate: Installed on 2016-01-16 (4 days ago) InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021) MachineType: Acer Predator G6-710 NonfreeKernelModules: nvidia Package: systemd 225-1ubuntu9 PackageArchitecture: amd64 ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.2.0-25-generic.efi.signed root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7 ProcVersionSignature: Ubuntu 4.2.0-25.30-generic 4.2.6 Tags: wily UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev' Uname: Linux 4.2.0-25-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip libvirtd lpadmin plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 09/21/2015 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: R01-A1 dmi.board.name: Predator G6-710 dmi.board.vendor: Acer dmi.chassis.type: 3 dmi.chassis.vendor: Acer dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrR01-A1:bd09/21/2015:svnAcer:pnPredatorG6-710:pvr:rvnAcer:rnPredatorG6-710:rvr:cvnAcer:ct3:cvr: dmi.product.name: Predator G6-710 dmi.sys.vendor: Acer To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1536294/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp