Workaround: $ echo 1 | sudo tee /sys/module/kvm/parameters/ignore_msrs
-- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/2163604 Title: Wine's ntdll:exception test causes GPF in KVM Status in QEMU: Unknown Status in linux-hwe-6.11 package in Ubuntu: New Status in qemu package in Ubuntu: New Bug description: Wine's winetest.exe is used to test various components of Wine (WineHQ.org), and can be run on a Windows VM. When it gets to the ntdll:exception test, Qemu exits silently. [Aug16 16:36] kvm_intel: kvm [23609]: vcpu2, guest rIP: 0xfffff8058f0f9542 Unhandled WRMSR(0x1d9) = 0x1 [ +0.000128] qemu-system-x86[23609]: segfault at 594ae11c0760 ip 0000594ae11c0760 sp 00007fffe472fd08 error 15 likely on CPU 0 (core 0, socket 0) [ +0.000014] Code: 00 00 20 3b 20 5a b0 7f 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 cb ce 55 01 00 00 00 00 97 00 00 00 00 00 00 00 <20> 00 0a 6c 69 62 73 63 41 00 00 00 00 00 00 00 30 52 60 e1 4a> Qemu should handle this gracefully, but then so should KVM. I tested Qemu 11.1.0 and the exact same happens. Will report to Qemu. Kernel testing is difficult as I rely on old Nvidia drivers, and they're broken in newer kernels with no chance of them being fixed. Attaching the specific binary from today's daily build. ProblemType: Bug DistroRelease: Ubuntu 24.04 Package: linux-image-6.11.0-29-generic 6.11.0-29.29~24.04.1 ProcVersionSignature: Ubuntu 6.11.0-29.29~24.04.1-generic 6.11.11 Uname: Linux 6.11.0-29-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia ApportVersion: 2.28.3-0ubuntu0.1 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: ken 3933 F.... wireplumber /dev/snd/controlC1: ken 3933 F.... wireplumber /dev/snd/seq: ken 3929 F.... pipewire CasperMD5CheckResult: unknown CurrentDesktop: MATE Date: Sun Aug 16 16:57:54 2026 MachineType: LENOVO 0606AD5 ProcFB: 0 simpledrmdrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-6.11.0-29-generic root=UUID=83ed7b7f-ef51-49d7-a6be-a8efee1cdd32 ro rootflags=subvol=@ vt.handoff=7 zswap.enabled=1 zswap.shrinker_enabled=1 zswap.max_pool_percent=20 zswap.zpool=zsmalloc zswap.compressor=lz4 resume=UUID=afb35822-ba94-455b-839e-a91d503b9608 intel_iommu=on iommu=pt video=1920x1080@60 PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon. RelatedPackageVersions: linux-restricted-modules-6.11.0-29-generic N/A linux-backports-modules-6.11.0-29-generic N/A linux-firmware 20240318.git3b128b60-0ubuntu2.29 RfKill: SourcePackage: linux-hwe-6.11 UpgradeStatus: Upgraded to noble on 2026-05-15 (93 days ago) dmi.bios.date: 12/15/2016 dmi.bios.release: 0.60 dmi.bios.vendor: LENOVO dmi.bios.version: A0KT60AUS dmi.board.asset.tag: To be filled by O.E.M. dmi.board.name: LENOVO dmi.board.vendor: LENOVO dmi.board.version: NONE dmi.chassis.type: 7 dmi.chassis.vendor: LENOVO dmi.chassis.version: NONE dmi.modalias: dmi:bvnLENOVO:bvrA0KT60AUS:bd12/15/2016:br0.60:svnLENOVO:pn0606AD5:pvrThinkStationS30:rvnLENOVO:rnLENOVO:rvrNONE:cvnLENOVO:ct7:cvrNONE:skuLENOVO_BI_A0: dmi.product.family: To be filled by O.E.M. dmi.product.name: 0606AD5 dmi.product.sku: LENOVO_BI_A0 dmi.product.version: ThinkStation S30 dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/2163604/+subscriptions
