dmesg looks clean so far, intel card (internal display) is fb0 and nvidia-card for hdmi (external 4k monitor hp 27f)
$ dmesg | grep frame [ 0.882504] efifb: framebuffer at 0x80000000, using 8100k, total 8100k [ 0.882611] Console: switching to colour frame buffer device 240x67 [ 0.887919] fb0: EFI VGA frame buffer device [ 1.392526] r8169 0000:03:00.0 eth0: jumbo features [frames: 9200 bytes, tx checksumming: ko] [ 3.605988] Console: switching to colour frame buffer device 240x67 [ 3.633864] i915 0000:00:02.0: fb0: i915drmfb frame buffer device [ 3.718640] nouveau 0000:01:00.0: fb1: nouveaudrmfb frame buffer device see full dmesg in attachment strange is that i have no X.org.log in /var/log, anything i can try to workaround/test for affected Package? noticed, that on login-screen the background of external monitor is purple and switches to black (default color without background-image) ** Attachment added: "dmesg after starting with 2nd gpu enabled" https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1878421/+attachment/5371457/+files/dmesg_multigpu.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1878421 Title: Using two GPUs with one monitor each, one is always black Status in Mutter: Unknown Status in linux package in Ubuntu: Confirmed Status in mutter package in Ubuntu: New Status in xorg-server package in Ubuntu: New Bug description: Hi, i try to use external monitor on my dell G5 2019 (5590). works on ubuntu 18.4 (after reboot) using prime-select nvidia. did this on 20.4 (prime-select + reboot because logoff/login again still don't work) and it hang on boot while showing ubuntu bootscreen with animation (not stopped, but also response to esc-key to show terminal-output) on the monitor (need to switch off). booted again where monitor is configured to other input, boot works, i see it in preferences dialog as second monitor, but if i configure input on monitor i have no signal.. anything i can try? regards Frank ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: xorg 1:7.7+19ubuntu14 ProcVersionSignature: Ubuntu 5.4.0-29.33-generic 5.4.30 Uname: Linux 5.4.0-29-generic x86_64 ApportVersion: 2.20.11-0ubuntu27 Architecture: amd64 BootLog: Error: [Errno 13] Keine Berechtigung: '/var/log/boot.log' CasperMD5CheckResult: skip CompositorRunning: None CurrentDesktop: GNOME-Flashback:GNOME Date: Wed May 13 15:21:08 2020 DistUpgraded: Fresh install DistroCodename: focal DistroVariant: ubuntu GraphicsCard: Intel Corporation UHD Graphics 630 (Mobile) [8086:3e9b] (prog-if 00 [VGA controller]) Subsystem: Dell UHD Graphics 630 (Mobile) [1028:08ea] NVIDIA Corporation TU117M [GeForce GTX 1650 Mobile / Max-Q] [10de:1f91] (rev a1) (prog-if 00 [VGA controller]) Subsystem: Dell TU117M [GeForce GTX 1650 Mobile / Max-Q] [1028:08ea] InstallationDate: Installed on 2020-04-27 (16 days ago) InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423) Lsusb: Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 003: ID 27c6:530c Shenzhen Goodix Technology Co.,Ltd. Fingerprint Reader Bus 001 Device 002: ID 0c45:671f Microdia Integrated_Webcam_HD Bus 001 Device 004: ID 8087:0aaa Intel Corp. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: Dell Inc. G5 5590 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=de_DE.UTF-8 SHELL=/bin/bash ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-29-generic root=UUID=7c9113b7-ca65-4c46-9435-f5d2b73bab72 ro quiet splash vt.handoff=7 SourcePackage: xorg Symptom: display UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 02/07/2020 dmi.bios.vendor: Dell Inc. dmi.bios.version: 1.12.0 dmi.board.name: 0KW84T dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 10 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr1.12.0:bd02/07/2020:svnDellInc.:pnG55590:pvr:rvnDellInc.:rn0KW84T:rvrA00:cvnDellInc.:ct10:cvr: dmi.product.family: GSeries dmi.product.name: G5 5590 dmi.product.sku: 08EA dmi.sys.vendor: Dell Inc. version.compiz: compiz N/A version.libdrm2: libdrm2 2.4.101-2 version.libgl1-mesa-dri: libgl1-mesa-dri 20.0.4-2ubuntu1 version.libgl1-mesa-glx: libgl1-mesa-glx N/A version.xserver-xorg-core: xserver-xorg-core 2:1.20.8-2ubuntu2 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+git20200226-1 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/mutter/+bug/1878421/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
