How can I run anything when I boot and all I get is a black screen with
no sync?
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On Wed, 4 Feb 2026, Daniel van Vugt wrote:
> Date: Wed, 04 Feb 2026 05:06:52 -0000
> From: Daniel van Vugt <[email protected]>
> To: [email protected]
> Subject: [Bug 2139567] Re: Graphics with Intel Arc B50 Pro and Ubuntu Mate
> 26.04 Non-Functional
>
> Thanks for the bug report, but we'll need information from a session
> that has the bug. Please try:
>
> 1. Booting a 26.04 live session and run:
> journalctl -b0 > journal.txt
> lspci -k > lspci.txt
> and attach the resulting text files here.
>
> 2. Booting a 25.10 live session and tell us if it has the bug.
>
> 3. Don't use xorg-xserver-video-intel because it stopped supporting
> modern Intel hardware many years ago.
>
>
> ** Package changed: xorg (Ubuntu) => ubuntu
>
> ** Changed in: ubuntu
> Status: New => Incomplete
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/2139567
>
> Title:
> Graphics with Intel Arc B50 Pro and Ubuntu Mate 26.04 Non-Functional
>
> Status in Ubuntu:
> Incomplete
>
> Bug description:
> I upgraded my workstation which is functional under 24.04 to
> 26.04 and it worked for text but as soon as graphics tried to start
> the screen went black and there was no sync.
>
> To eliminate the potential for it simply being a local
> configuration error I burned an ISO to thumb drive of the daily build
> of Ubuntu Mate 26.04, it had the same behavior. Text OK, graphical
> mode screen goes black and no sync.
>
> I am running a custom kernel on my workstation but the USB thumb
> was with the distribution kernel. This eliminates the kernel itself
> and/or xe drivers.
>
> I removed wayland from the installation in case it was
> interfering with Xorg and tried both the mode setting kernel based
> server and xorg-xserver-video-intel server, neither worked.
>
> ProblemType: Bug
> DistroRelease: Ubuntu 24.04
> Package: xorg 1:7.7+23ubuntu3
> Uname: Linux 6.19.0-rc7 x86_64
> ApportVersion: 2.28.1-0ubuntu3.8
> Architecture: amd64
> BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
> CasperMD5CheckResult: pass
> CompositorRunning: None
> CurrentDesktop: MATE
> Date: Sun Feb 1 22:41:24 2026
> DistUpgraded: Fresh install
> DistroCodename: noble
> DistroVariant: ubuntu
> ExtraDebuggingInterest: No
> GraphicsCard:
> Subsystem: ASUSTeK Computer Inc. CoffeeLake-S GT2 [UHD Graphics 630]
> [1043:8694]
> Intel Corporation Device [8086:e212] (prog-if 00 [VGA controller])
> Subsystem: Intel Corporation Device [8086:1114]
> Intel Corporation Device [8086:e212] (prog-if 00 [VGA controller])
> Subsystem: Intel Corporation Device [8086:1114]
> InstallationDate: Installed on 2025-08-19 (167 days ago)
> InstallationMedia: Ubuntu-MATE 24.04.1 LTS "Noble Numbat" - Release amd64
> (20240827)
> MachineType: ASUS System Product Name
> ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.19.0-rc7
> root=UUID=cd1da12a-9c61-4c7c-8971-451f75d742e4 ro systemd.show_status=1
> noplymouth rootflags=data=writeback intel_iommu=on iommu=pt
> pcie_acs_override=downstream,multifunction
> SourcePackage: xorg
> UpgradeStatus: No upgrade log present (probably fresh install)
> dmi.bios.date: 01/11/2024
> dmi.bios.release: 21.1
> dmi.bios.vendor: American Megatrends Inc.
> dmi.bios.version: 2101
> dmi.board.asset.tag: Default string
> dmi.board.name: PRIME Z390-A
> dmi.board.vendor: ASUSTeK COMPUTER INC.
> dmi.board.version: Rev 1.xx
> dmi.chassis.asset.tag: Default string
> dmi.chassis.type: 3
> dmi.chassis.vendor: Default string
> dmi.chassis.version: Default string
> dmi.modalias:
> dmi:bvnAmericanMegatrendsInc.:bvr2101:bd01/11/2024:br21.1:svnASUS:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnPRIMEZ390-A:rvrRev1.xx:cvnDefaultstring:ct3:cvrDefaultstring:skuASUS_MB_CNL:
> dmi.product.family: To be filled by O.E.M.
> dmi.product.name: System Product Name
> dmi.product.sku: ASUS_MB_CNL
> dmi.product.version: System Version
> dmi.sys.vendor: ASUS
> version.compiz: compiz N/A
> version.libdrm2: libdrm2 2.4.125-1ubuntu0.1~24.04.1
> version.libgl1-mesa-dri: libgl1-mesa-dri 25.2.8-0ubuntu0.24.04.1
> version.libgl1-mesa-glx: libgl1-mesa-glx N/A
> version.xserver-xorg-core: xserver-xorg-core 2:21.1.12-1ubuntu1.5
> version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
> version.xserver-xorg-video-ati: xserver-xorg-video-ati N/A
> version.xserver-xorg-video-intel: xserver-xorg-video-intel N/A
> version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau N/A
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+bug/2139567/+subscriptions
>
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https://bugs.launchpad.net/bugs/2139567
Title:
Graphics with Intel Arc B50 Pro and Ubuntu Mate 26.04 Non-Functional
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+bug/2139567/+subscriptions
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