Trying to fix the problem without knowing much, I reinstalled grub on external HD as usual and upgraded it again. and I am talking about "After selecting and pressing Enter to boot Xubuntu Xenial, it waits that long or sometimes even got stuck before booting". But not for Ubuntu (internal) or my previous linux installations (external). My booting is without splash screen because I disabled it in defaults, so it shows loading and starting services. And you are talking about screenshots? the screen remains just black in between. Thanks for asking.
-- 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/1556433 Title: Booting is taking too long to start from grub Status in systemd package in Ubuntu: Incomplete Bug description: Booting takes to start almost three minutes after selecting Xubuntu Xenial. But it does not happen for the Ubuntu 14.04 LTS listed in the same menu. Xubuntu is installed in a USB 3 external Harddisk and Ubuntu is installed in internal Harddisk, but it was not happening for other installations. --- ApportVersion: 2.20-0ubuntu3 Architecture: amd64 CurrentDesktop: XFCE DistroRelease: Ubuntu 16.04 InstallationDate: Installed on 2016-03-12 (1 days ago) InstallationMedia: Xubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160224) MachineType: Hewlett-Packard Compaq Presario C700 Notebook PC Package: systemd 229-2ubuntu1 PackageArchitecture: amd64 ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-12-generic root=UUID=306314bc-efcb-4c2d-b0e9-e05ec92ed0f0 ro ProcVersionSignature: Ubuntu 4.4.0-12.28-generic 4.4.4 SystemdDelta: [EXTENDED] /lib/systemd/system/rc-local.service → /lib/systemd/system/rc-local.service.d/debian.conf [EXTENDED] /lib/systemd/system/systemd-timesyncd.service → /lib/systemd/system/systemd-timesyncd.service.d/disable-with-time-daemon.conf 2 overridden configuration files found. Tags: xenial Uname: Linux 4.4.0-12-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: _MarkForUpload: True dmi.bios.date: 03/29/2010 dmi.bios.vendor: Hewlett-Packard dmi.bios.version: F.35 dmi.board.asset.tag: Base Board Asset Tag dmi.board.name: 30D9 dmi.board.vendor: Hewlett-Packard dmi.board.version: 83.21 dmi.chassis.type: 10 dmi.chassis.vendor: Hewlett-Packard dmi.chassis.version: N/A dmi.modalias: dmi:bvnHewlett-Packard:bvrF.35:bd03/29/2010:svnHewlett-Packard:pnCompaqPresarioC700NotebookPC:pvrF.35:rvnHewlett-Packard:rn30D9:rvr83.21:cvnHewlett-Packard:ct10:cvrN/A: dmi.product.name: Compaq Presario C700 Notebook PC dmi.product.version: F.35 dmi.sys.vendor: Hewlett-Packard --- ApportVersion: 2.20-0ubuntu3 Architecture: amd64 DistroRelease: Ubuntu 16.04 InstallationDate: Installed on 2016-03-12 (2 days ago) InstallationMedia: Xubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160224) MachineType: Hewlett-Packard Compaq Presario C700 Notebook PC Package: systemd 229-2ubuntu1 PackageArchitecture: amd64 ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-12-generic root=UUID=306314bc-efcb-4c2d-b0e9-e05ec92ed0f0 ro ProcVersionSignature: Ubuntu 4.4.0-12.28-generic 4.4.4 SystemdDelta: [EXTENDED] /lib/systemd/system/rc-local.service → /lib/systemd/system/rc-local.service.d/debian.conf [EXTENDED] /lib/systemd/system/systemd-timesyncd.service → /lib/systemd/system/systemd-timesyncd.service.d/disable-with-time-daemon.conf 2 overridden configuration files found. Tags: xenial Uname: Linux 4.4.0-12-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: _MarkForUpload: True dmi.bios.date: 03/29/2010 dmi.bios.vendor: Hewlett-Packard dmi.bios.version: F.35 dmi.board.asset.tag: Base Board Asset Tag dmi.board.name: 30D9 dmi.board.vendor: Hewlett-Packard dmi.board.version: 83.21 dmi.chassis.type: 10 dmi.chassis.vendor: Hewlett-Packard dmi.chassis.version: N/A dmi.modalias: dmi:bvnHewlett-Packard:bvrF.35:bd03/29/2010:svnHewlett-Packard:pnCompaqPresarioC700NotebookPC:pvrF.35:rvnHewlett-Packard:rn30D9:rvr83.21:cvnHewlett-Packard:ct10:cvrN/A: dmi.product.name: Compaq Presario C700 Notebook PC dmi.product.version: F.35 dmi.sys.vendor: Hewlett-Packard To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1556433/+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