This change was made by a bot. ** Changed in: linux (Ubuntu) Status: New => Confirmed
** Tags added: hirsute -- 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/1947365 Title: Regression in nested virtualization on 5.13.0-19-generic Status in linux package in Ubuntu: Confirmed Bug description: I have a Windows 11 KVM VM I use for work. After updating to Ubuntu 21.10 from 21.04, it has started locking up on boot (regardless of whether or not I enable a virtual TPM). I tried reinstalling the VM with Windows' "Reset PC" function, which restored boot - until I installed WSL2, which depends on HyperV virtualization. After installing WSL2, it was failing exactly as before. However, if I boot with my old 21.04 kernel, linux- image-5.11.0-37-generic, the VM boots fine. This indicates a regression lies in the nested virtualization, i.e. HyperV-in-KVM Description: Ubuntu 21.10 Release: 21.10 linux-image-5.13.0-19-generic 5.13.0-19.19 ProblemType: Bug DistroRelease: Ubuntu 21.10 Package: linux-image-5.13.0-19-generic 5.13.0-19.19 ProcVersionSignature: Ubuntu 5.13.0-19.19-generic 5.13.14 Uname: Linux 5.13.0-19-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia ApportVersion: 2.20.11-0ubuntu70 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: directhex 2171 F.... pulseaudio /dev/snd/controlC0: directhex 2171 F.... pulseaudio CasperMD5CheckResult: unknown CurrentDesktop: ubuntu:GNOME Date: Fri Oct 15 07:27:40 2021 InstallationDate: Installed on 2020-09-25 (384 days ago) InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731) 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 ProcFB: 0 EFI VGA ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.13.0-19-generic root=UUID=89f31b08-a440-4c05-bca7-8003eca91a4c ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-5.13.0-19-generic N/A linux-backports-modules-5.13.0-19-generic N/A linux-firmware 1.201 SourcePackage: linux UpgradeStatus: Upgraded to impish on 2021-10-14 (0 days ago) dmi.bios.date: 08/11/2021 dmi.bios.release: 5.17 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 2423 dmi.board.asset.tag: Default string dmi.board.name: ROG STRIX B550-I GAMING dmi.board.vendor: ASUSTeK COMPUTER INC. dmi.board.version: Rev X.0x dmi.chassis.asset.tag: Default string dmi.chassis.type: 3 dmi.chassis.vendor: Default string dmi.chassis.version: Default string dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr2423:bd08/11/2021:br5.17:svnASUS:pnSystemProductName:pvrSystemVersion:skuSKU:rvnASUSTeKCOMPUTERINC.:rnROGSTRIXB550-IGAMING:rvrRevX.0x: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 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1947365/+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