Hello, Chris Chiu First of all, thank you for the quick response.
I'm not using currently thunderbolt and don't know if it has installed driver or if it has some driver bugs. If I need to install some thunderbolt driver or similar - please provide more info, as I don't know where to get it for the ROG Strix SCAR 18 G835LX_G835LX (as vendor providing it ONLY for the Windows). The current OS info has the next "lsmod | grep thunderbolt": thunderbolt 536576 0 -------------------------------------------------------------------------------------------- At the same time I tried to follow your recommendations above. I made next: 1)Open /etc/default/grub and edited the next line: GRUB_CMDLINE_LINUX_DEFAULT="quiet splash pcie_aspm=off" 2)After I run the next command: sudo update-grub After reboot I tried to emulate the issue. It seems with "quiet splash pcie_aspm=off" I'm NOT able to emulate the issue and reboot is working properly. Thank you for the temporary solution that can help other users of ROG Strix SCAR 18 G835LX, who wants to use Ubuntu based OS. Now I'm trying to figure out what is drawback while using "quiet splash pcie_aspm=off". As I understood we have "disabled Active-State Power Management (ASPM) for PCIe (Peripheral Component Interconnect Express) devices" Could you please provide us with the info if it has some drawbacks? Is it possible to fix bug inside ASPM in order to use OS without "pcie_aspm=off"?. With hope Thanks in Advance for your response -- 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/2117271 Title: Asus ROG Strix 18 (2025) can't shutdown Status in linux package in Ubuntu: Triaged Bug description: Hello Laptop Asus Rog Strix Scar 18 (2025) with Intel Core Ultra 9 275HX and RTX 5090. I'm using the latest kernel 6.14 and nvidia drivers 570.169. Sometimes, when trying to shutdown, I can see error: BUG: scheduling while atomic: irq/126-pciehp/221/0x00000000 The same issue while using kernel 6.8: ----------------------------------------------- Fixing recursive fault but reboot is needed! BUG: scheduling while atomic: irq/126-pciehp/221/0x00000000 Modules linked in: ...... CPU: 12 PID: 221 Comm: irq/126-pciehp Tainted: G D W OE 6.8.0-63-generic Call Trace: <TASK> ..... </TASK> NVRM: krcWatchdog_IMPL: RC watchdog: GPU is probably locked! Timeout Seconds: 7 NVRM: _issueRpcAndWait: rpcSendMessage failed with status 0x00000000f for fn 76! .... ----------------------------------------------- Please help to understand what can be an issue and how to solve it. Thanks in Advance --- ProblemType: Bug ApportVersion: 2.28.1-0ubuntu3.8 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: dmitriy 2087 F.... wireplumber /dev/snd/controlC0: dmitriy 2087 F.... wireplumber /dev/snd/seq: dmitriy 2085 F.... pipewire CRDA: N/A CasperMD5CheckMismatches: ./boot/grub/efi.img CasperMD5CheckResult: fail CurrentDesktop: X-Cinnamon DistroRelease: Linux Mint 22.1 InstallationDate: Installed on 2025-07-13 (9 days ago) InstallationMedia: Linux Mint 22.1 "Xia" - Release amd64 20250110 MachineType: ASUSTeK COMPUTER INC. ROG Strix SCAR 18 G835LX_G835LX Package: linux (not installed) ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.14.0-24-generic root=UUID=bd49fd88-fc87-417f-9ddf-2980f2aa503b ro quiet splash ProcVersionSignature: Ubuntu 6.14.0-24.24~24.04.3-generic 6.14.6 PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon. RelatedPackageVersions: linux-restricted-modules-6.14.0-24-generic N/A linux-backports-modules-6.14.0-24-generic N/A linux-firmware 20240318.git3b128b60-0ubuntu2.14 Tags: xia Uname: Linux 6.14.0-24-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip docker lpadmin plugdev sambashare sudo users _MarkForUpload: True dmi.bios.date: 05/12/2025 dmi.bios.release: 5.32 dmi.bios.vendor: American Megatrends International, LLC. dmi.bios.version: G835LX.318 dmi.board.asset.tag: ATN12345678901234567 dmi.board.name: G835LX dmi.board.vendor: ASUSTeK COMPUTER INC. dmi.board.version: 1.0 dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: ASUSTeK COMPUTER INC. dmi.chassis.version: 1.0 dmi.ec.firmware.release: 3.14 dmi.modalias: dmi:bvnAmericanMegatrendsInternational,LLC.:bvrG835LX.318:bd05/12/2025:br5.32:efr3.14:svnASUSTeKCOMPUTERINC.:pnROGStrixSCAR18G835LX_G835LX:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnG835LX:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:sku: dmi.product.family: ROG Strix SCAR 18 dmi.product.name: ROG Strix SCAR 18 G835LX_G835LX dmi.product.version: 1.0 dmi.sys.vendor: ASUSTeK COMPUTER INC. 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