I've been working with someone at the ubuntu forums also: https://ubuntuforums.org/showthread.php?t=2463365&page=2&p=14042724#post14042724
If I add "i915.aplha_support=1" and "nomodeset" to the line. Ubuntu will boot normally, but in a lower resolution (1024x768). it does remain stable. Im unable to change the resolution. -- 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/1931475 Title: Ubuntu only stable in safe graphics mode Status in linux package in Ubuntu: Incomplete Bug description: Brand new machine, Intel i5, Brand new install of 20.04 ubuntu using 5.11.0-18 kernel. BIOS updated to recent firmware. (5/11/2021 date) Machine will only stay running in safe graphics mode. When booting normal, GUI loads for about 5 seconds then reboots. ProblemType: Bug DistroRelease: Ubuntu 21.04 Package: xorg 1:7.7+22ubuntu1 ProcVersionSignature: Ubuntu 5.11.0-18.19-generic 5.11.17 Uname: Linux 5.11.0-18-generic x86_64 ApportVersion: 2.20.11-0ubuntu65.1 Architecture: amd64 BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log' CasperMD5CheckResult: pass CompositorRunning: None CurrentDesktop: ubuntu:GNOME Date: Wed Jun 9 14:04:22 2021 DistUpgraded: Fresh install DistroCodename: hirsute DistroVariant: ubuntu ExtraDebuggingInterest: Yes, if not too technical GraphicsCard: Intel Corporation CometLake-S GT2 [UHD Graphics 630] [8086:9bc5] (rev 05) (prog-if 00 [VGA controller]) Subsystem: ASUSTeK Computer Inc. Device [1043:8694] InstallationDate: Installed on 2021-06-09 (0 days ago) InstallationMedia: Ubuntu 21.04 "Hirsute Hippo" - Release amd64 (20210420) Lsusb: Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 003: ID 413c:2003 Dell Computer Corp. Keyboard SK-8115 Bus 001 Device 002: ID 046d:c408 Logitech, Inc. Marble Mouse (4-button) Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Lsusb-t: /: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/8p, 5000M /: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/12p, 480M |__ Port 7: Dev 2, If 0, Class=Human Interface Device, Driver=usbhid, 1.5M |__ Port 8: Dev 3, If 0, Class=Human Interface Device, Driver=usbhid, 1.5M MachineType: ASUS System Product Name ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.11.0-18-generic root=UUID=5e92baa8-faf7-43e0-ab03-c43a1ec8a549 ro recovery nomodeset dis_ucode_ldr text SourcePackage: xorg UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 04/07/2021 dmi.bios.release: 16.5 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 1605 dmi.board.asset.tag: Default string dmi.board.name: PRIME B460-PLUS 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.:bvr1605:bd04/07/2021:br16.5:svnASUS:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnPRIMEB460-PLUS:rvrRev1.xx:cvnDefaultstring:ct3:cvrDefaultstring: dmi.product.family: To be filled by O.E.M. dmi.product.name: System Product Name dmi.product.sku: SKU dmi.product.version: System Version dmi.sys.vendor: ASUS mtime.conffile..etc.apport.crashdb.conf: 2021-06-09T13:25:26.012453 version.compiz: compiz N/A version.libdrm2: libdrm2 2.4.104-1build1 version.libgl1-mesa-dri: libgl1-mesa-dri 21.0.1-2 version.libgl1-mesa-glx: libgl1-mesa-glx N/A version.xserver-xorg-core: xserver-xorg-core 2:1.20.11-1ubuntu1 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-2 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20200714-1ubuntu1 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.17-1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1931475/+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