Hello, It worked for me! Thanks Alberto On Tue, Jul 28, 2020 at 3:55 AM Daniel van Vugt <1872...@bugs.launchpad.net> wrote:
> Please tell us if this also works around the problem: > > 1. Edit /etc/gdm3/custom.conf and uncomment: > > #WaylandEnable=false > > so it is now: > > WaylandEnable=false > > 2. Reboot. > > > ** Also affects: gdm3 (Ubuntu) > Importance: Undecided > Status: New > > ** Also affects: mutter (Ubuntu) > Importance: Undecided > Status: New > > ** Changed in: plymouth (Ubuntu) > Status: Triaged => Confirmed > > ** Changed in: mutter (Ubuntu) > Importance: Undecided => High > > ** Changed in: gdm3 (Ubuntu) > Importance: Undecided => High > > ** Changed in: gdm3 (Ubuntu) > Status: New => Confirmed > > ** Changed in: mutter (Ubuntu) > Status: New => Confirmed > > -- > You received this bug notification because you are subscribed to a > duplicate bug report (1874194). > https://bugs.launchpad.net/bugs/1872159 > > Title: > booting with splash hangs when external monitors are connected > > Status in Plymouth: > Unknown > Status in gdm3 package in Ubuntu: > Confirmed > Status in mutter package in Ubuntu: > Confirmed > Status in plymouth package in Ubuntu: > Confirmed > > Bug description: > I think this is a problem with the splash boot loader. This problem is > not reproduced if using nosplash. > > I have installed 20.04 to this laptop. Thinkpad T480, i7, intel > graphics. > > Clean install of 20.04 beta, not an upgrade. > When booting from the install, the greeter screen is never reached if > external monitors are connected at startup. > I get the spinning ubuntu logo, and nothing more. I can not change to > virtual terminals. The fsck step does not commence. > > In recovery mood, I can log in. > > With no external monitors attached, it works. > > I am used to having such problems with Nvidia graphics is involved, > but this is not the case on this laptop. It has been happily running > 18.04. > > External displays are recognised if they are connected after login. > > Also, when I edit /etc/default/grub so that it reads > GRUB_CMDLINE_LINUX_DEFAULT="" > (that is, splash disabled) > it works fine with two external monitors attached. > > ProblemType: Bug > DistroRelease: Ubuntu 20.04 > Package: xorg 1:7.7+19ubuntu14 > ProcVersionSignature: Ubuntu 5.4.0-21.25-generic 5.4.27 > Uname: Linux 5.4.0-21-generic x86_64 > ApportVersion: 2.20.11-0ubuntu26 > Architecture: amd64 > BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log' > CasperMD5CheckResult: skip > CompositorRunning: None > CurrentDesktop: ubuntu:GNOME > Date: Sat Apr 11 13:58:19 2020 > DistUpgraded: Fresh install > DistroCodename: focal > DistroVariant: ubuntu > DkmsStatus: > acpi-call, 1.1.0, 5.4.0-21-generic, x86_64: installed > tp_smapi, 0.43, 5.4.0-21-generic, x86_64: installed > ExtraDebuggingInterest: Yes, including running git bisection searches > GraphicsCard: > Intel Corporation UHD Graphics 620 [8086:5917] (rev 07) (prog-if 00 > [VGA controller]) > Subsystem: Lenovo UHD Graphics 620 [17aa:225d] > InstallationDate: Installed on 2020-04-10 (0 days ago) > InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Beta amd64 (20200402) > MachineType: LENOVO 20L5S00F00 > ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-21-generic > root=/dev/mapper/myvg-root ro > SourcePackage: xorg > Symptom: display > UpgradeStatus: No upgrade log present (probably fresh install) > dmi.bios.date: 02/19/2020 > dmi.bios.vendor: LENOVO > dmi.bios.version: N24ET56W (1.31 ) > dmi.board.asset.tag: Not Available > dmi.board.name: 20L5S00F00 > dmi.board.vendor: LENOVO > dmi.board.version: Not Defined > dmi.chassis.asset.tag: No Asset Information > dmi.chassis.type: 10 > dmi.chassis.vendor: LENOVO > dmi.chassis.version: None > dmi.modalias: > dmi:bvnLENOVO:bvrN24ET56W(1.31):bd02/19/2020:svnLENOVO:pn20L5S00F00:pvrThinkPadT480:rvnLENOVO:rn20L5S00F00:rvrNotDefined:cvnLENOVO:ct10:cvrNone: > dmi.product.family: ThinkPad T480 > dmi.product.name: 20L5S00F00 > dmi.product.sku: LENOVO_MT_20L5_BU_Think_FM_ThinkPad T480 > dmi.product.version: ThinkPad T480 > dmi.sys.vendor: LENOVO > version.compiz: compiz N/A > version.libdrm2: libdrm2 2.4.101-1 > version.libgl1-mesa-dri: libgl1-mesa-dri 20.0.4-1ubuntu1 > version.libgl1-mesa-glx: libgl1-mesa-glx 20.0.4-1ubuntu1 > version.xserver-xorg-core: xserver-xorg-core 2:1.20.7-2ubuntu2 > version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A > version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-1 > version.xserver-xorg-video-intel: xserver-xorg-video-intel > 2:2.99.917+git20190815-1 > version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1 > > To manage notifications about this bug go to: > https://bugs.launchpad.net/plymouth/+bug/1872159/+subscriptions > -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to mutter in Ubuntu. https://bugs.launchpad.net/bugs/1872159 Title: booting with splash hangs when external monitors are connected To manage notifications about this bug go to: https://bugs.launchpad.net/plymouth/+bug/1872159/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
