Not using SEV. These are flag
EPYC3 Flags: flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm constant_tsc rep_good nopl nonstop_tsc cpuid extd_apicid aperfmperf rapl pni pclmulqdq monitor ssse3 fma cx16 pcid sse4_1 sse4_2 x2apic movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_llc mwaitx cpb cat_l3 cdp_l3 invpcid_single hw_pstate ssbd mba ibrs ibpb stibp vmmcall fsgsbase bmi1 avx2 smep bmi2 erms invpcid cqm rdt_a rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local clzero irperf xsaveerptr rdpru wbnoinvd amd_ppin arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold v_vmsave_vmload vgif v_spec_ctrl umip pku ospke vaes vpclmulqdq rdpid overflow_recov succor smca fsrm EPYC1 flags: flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm constant_tsc rep_good nopl nonstop_tsc cpuid extd_apicid amd_dcm aperfmperf rapl pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_llc mwaitx cpb hw_pstate ssbd ibpb vmmcall fsgsbase bmi1 avx2 smep bmi2 rdseed adx smap clflushopt sha_ni xsaveopt xsavec xgetbv1 xsaves clzero irperf xsaveerptr arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic v_vmsave_vmload vgif overflow_recov succor smca -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-hwe-5.15 in Ubuntu. https://bugs.launchpad.net/bugs/2024500 Title: KVM: after upgrading the kernel to 5.15.0-75, VM hangs after migration. Status in linux-hwe-5.15 package in Ubuntu: Confirmed Bug description: I have weird situation when I am live migrating a VM between two nodes, the VM hangs after migrating from EPYC3(Milan) to EPYC1(Naples) nodes. First node: CPU(s) AMD EPYC 7713 64-Core Processor (2 Sockets) Linux compute81 5.15.0-75-generic #82~20.04.1-Ubuntu SMP Wed Jun 7 19:37:37 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux Second node: CPU(s) AMD EPYC 7401 24-Core Processor (2 Sockets) Linux compute37 5.15.0-75-generic #82~20.04.1-Ubuntu SMP Wed Jun 7 19:37:37 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux When I am migrating from second type node to first type - everything works. When I am migrating from first type to second type - VM hangs No issues using the following kernels: 5.15.99 from upstream linux-image-5.15.0-25-generic_5.15.0-25.25_amd64 I'm able to reproduce the issue using the following kernels: linux-image-5.15.0-67-generic_5.15.0-67.74_amd64.deb linux-image-5.15.0-68-generic_5.15.0-68.75_amd64.deb linux-image-5.15.0-69-generic_5.15.0-69.76_amd64.deb linux-image-5.15.0-70-generic_5.15.0-70.77_amd64.deb linux-image-5.15.0-72-generic_5.15.0-72.79_amd64.deb linux-image-5.15.0-73-generic_5.15.0-73.80_amd64.deb linux-image-5.15.0-74-generic_5.15.0-74.81_amd64.deb linux-image-5.15.0-75-generic_5.15.0-75.82_amd64.deb linux-image-5.15.0-77-generic_5.15.0-77.84_amd64.deb --- ProblemType: Bug AlsaDevices: total 0 crw-rw---- 1 root audio 116, 1 Jun 20 21:15 seq crw-rw---- 1 root audio 116, 33 Jun 20 21:15 timer AplayDevices: Error: [Errno 2] No such file or directory: 'aplay' ApportVersion: 2.20.11-0ubuntu27.27 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord' AudioDevicesInUse: Error: [Errno 2] No such file or directory: 'fuser' CasperMD5CheckResult: skip DistroRelease: Ubuntu 20.04 IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig' MachineType: Supermicro AS -2124BT-HNTR Package: linux (not installed) PciMultimedia: ProcEnviron: TERM=screen-256color PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: 0 astdrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.15.0-75-generic root=UUID=178395aa-ca05-47a1-9f4a-0696787bb100 ro rootflags=subvol=@ console=tty1 console=ttyS1,115200n8 ProcVersionSignature: Ubuntu 5.15.0-75.82~20.04.1-generic 5.15.99 RelatedPackageVersions: linux-restricted-modules-5.15.0-75-generic N/A linux-backports-modules-5.15.0-75-generic N/A linux-firmware 1.187.39 RfKill: Error: [Errno 2] No such file or directory: 'rfkill' Tags: focal Uname: Linux 5.15.0-75-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: N/A _MarkForUpload: True dmi.bios.date: 09/23/2022 dmi.bios.release: 5.22 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 2.5 dmi.board.asset.tag: To be filled by O.E.M. dmi.board.name: H12DST-B dmi.board.vendor: Supermicro dmi.board.version: 1.00A dmi.chassis.asset.tag: To be filled by O.E.M. dmi.chassis.type: 1 dmi.chassis.vendor: Supermicro dmi.chassis.version: 0123456789 dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr2.5:bd09/23/2022:br5.22:svnSupermicro:pnAS-2124BT-HNTR:pvr0123456789:rvnSupermicro:rnH12DST-B:rvr1.00A:cvnSupermicro:ct1:cvr0123456789:skuTobefilledbyO.E.M.: dmi.product.family: To be filled by O.E.M. dmi.product.name: AS -2124BT-HNTR dmi.product.sku: To be filled by O.E.M. dmi.product.version: 0123456789 dmi.sys.vendor: Supermicro To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-hwe-5.15/+bug/2024500/+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
