I already tried that, it V4.1.5 worked with both Ubuntu 18.04 and 20.04. I put in an earlier comment about this.
On Wed, Jul 8, 2020 at 10:40 AM Kai-Heng Feng <[email protected]> wrote: > Can you please test kernel v4.15, which is used by 18.04: > https://kernel.ubuntu.com/~kernel-ppa/mainline/v4.15.18/ > > -- > You received this bug notification because you are subscribed to the bug > report. > https://bugs.launchpad.net/bugs/1882442 > > Title: > Upgrade from 18.04 to 20.04 deactivates internal monitor in display > manager > > Status in linux package in Ubuntu: > Incomplete > Status in linux package in Fedora: > Unknown > > Bug description: > output of lsb_release -rd: > Description: Ubuntu 20.04 LTS > Release: 20.04 > > I recently upgraded from 18.04 to 20.04 and was using MATE. When the > upgrade was run my external > HDMI monitor was plugged in, after the update, when I reboot, the > internal monitor shows the beginning of the boot process (I deactivated > 'silent splash' by editing grub.cfg) then it switches to the HDMI monitor > and the internal monitor goes dark. I can also get the tty consoles on the > external monitor but not on the internal monitor. > > In MATE it was a real problem because the panel is apparently still on > the invisible part of the desktop; I used a tty to install gnome, then > I could get the display settings by right-clicking on the desktop, and > setting the monitors to mirror, so I can reach applications, etc. > > Computer is a Dell Inspiron 3275 AIO with touch screen and Intel > on-board video, I think. > I had no problems with Ubuntu 18.04 with MATE. > > The problem seems to be similar to this bug: > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1874194 > but sort of the reverse, in that the internal monitor is the problem. > > Thank you for your help. > > ProblemType: Bug > DistroRelease: Ubuntu 20.04 > Package: linux-image-5.4.0-33-generic 5.4.0-33.37 > ProcVersionSignature: Ubuntu 5.4.0-33.37-generic 5.4.34 > Uname: Linux 5.4.0-33-generic x86_64 > ApportVersion: 2.20.11-0ubuntu27.2 > Architecture: amd64 > AudioDevicesInUse: > USER PID ACCESS COMMAND > /dev/snd/controlC2: david 2012 F.... pulseaudio > /dev/snd/controlC1: david 2012 F.... pulseaudio > /dev/snd/controlC0: david 2012 F.... pulseaudio > CasperMD5CheckResult: skip > CurrentDesktop: ubuntu:GNOME > Date: Sun Jun 7 11:43:37 2020 > HibernationDevice: RESUME=UUID=3b1a8a2e-1937-4785-b4bb-49f9a251b292 > InstallationDate: Installed on 2020-03-07 (91 days ago) > InstallationMedia: Ubuntu-MATE 16.04.1 LTS "Xenial Xerus" - Release > amd64 (20160719) > MachineType: Dell Inc. Inspiron 3275 AIO > ProcFB: 0 amdgpudrmfb > ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-33-generic > root=UUID=95b8de7f-9de3-4cea-b947-e135a738948c ro > RelatedPackageVersions: > linux-restricted-modules-5.4.0-33-generic N/A > linux-backports-modules-5.4.0-33-generic N/A > linux-firmware 1.187 > SourcePackage: linux > UpgradeStatus: Upgraded to focal on 2020-06-06 (1 days ago) > dmi.bios.date: 03/15/2019 > dmi.bios.vendor: Dell Inc. > dmi.bios.version: 1.7.0 > dmi.board.name: 04NJ6P > dmi.board.vendor: Dell Inc. > dmi.board.version: A02 > dmi.chassis.type: 13 > dmi.chassis.vendor: Dell Inc. > dmi.chassis.version: 00 > dmi.modalias: > dmi:bvnDellInc.:bvr1.7.0:bd03/15/2019:svnDellInc.:pnInspiron3275AIO:pvr1.7.0:rvnDellInc.:rn04NJ6P:rvrA02:cvnDellInc.:ct13:cvr00: > dmi.product.family: Inspiron > dmi.product.name: Inspiron 3275 AIO > dmi.product.sku: 0855 > dmi.product.version: 1.7.0 > dmi.sys.vendor: Dell Inc. > > To manage notifications about this bug go to: > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1882442/+subscriptions > -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1882442 Title: Upgrade from 18.04 to 20.04 deactivates internal monitor in display manager To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1882442/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
