list of 5.15 kernels available in the repo root@compute81:~# apt search linux-image-5.15.*-generic
linux-image-5.15.0-25-generic/now 5.15.0-25.25 amd64 [installed,local] <--- everything works linux-image-5.15.0-33-generic/focal-updates,focal-security,now 5.15.0-33.34~20.04.1 amd64 [installed] <-- VM hangs linux-image-5.15.0-41-generic/focal-updates,focal-security,now 5.15.0-41.44~20.04.1 amd64 [installed] <-- VM hangs here's a diff of the kernel config files root@compute81:~# diff -Naur /boot/config-5.15.0-25-generic /boot/config-5.15.0-33-generic --- /boot/config-5.15.0-25-generic 2022-03-30 15:28:11.000000000 +0000 +++ /boot/config-5.15.0-33-generic 2022-05-19 14:04:01.000000000 +0000 @@ -1,23 +1,22 @@ # # Automatically generated file; DO NOT EDIT. -# Linux/x86 5.15.0-25-generic Kernel Configuration +# Linux/x86 5.15.0-33-generic Kernel Configuration # -CONFIG_CC_VERSION_TEXT="gcc (Ubuntu 11.2.0-19ubuntu1) 11.2.0" +CONFIG_CC_VERSION_TEXT="gcc (Ubuntu 9.4.0-1ubuntu1~20.04.1) 9.4.0" CONFIG_CC_IS_GCC=y -CONFIG_GCC_VERSION=110200 +CONFIG_GCC_VERSION=90400 CONFIG_CLANG_VERSION=0 CONFIG_AS_IS_GNU=y -CONFIG_AS_VERSION=23800 +CONFIG_AS_VERSION=23400 CONFIG_LD_IS_BFD=y -CONFIG_LD_VERSION=23800 +CONFIG_LD_VERSION=23400 CONFIG_LLD_VERSION=0 CONFIG_CC_CAN_LINK=y CONFIG_CC_CAN_LINK_STATIC=y CONFIG_CC_HAS_ASM_GOTO=y -CONFIG_CC_HAS_ASM_GOTO_OUTPUT=y CONFIG_CC_HAS_ASM_INLINE=y CONFIG_CC_HAS_NO_PROFILE_FN_ATTR=y -CONFIG_PAHOLE_VERSION=122 +CONFIG_PAHOLE_VERSION=121 CONFIG_IRQ_WORK=y CONFIG_BUILDTIME_TABLE_SORT=y CONFIG_THREAD_INFO_IN_TASK=y @@ -47,7 +46,7 @@ CONFIG_KERNEL_ZSTD=y CONFIG_DEFAULT_INIT="" CONFIG_DEFAULT_HOSTNAME="(none)" -CONFIG_VERSION_SIGNATURE="Ubuntu 5.15.0-25.25-generic 5.15.30" +CONFIG_VERSION_SIGNATURE="Ubuntu 5.15.0-33.34~20.04.1-generic 5.15.30" CONFIG_SWAP=y CONFIG_SYSVIPC=y CONFIG_SYSVIPC_SYSCTL=y @@ -508,6 +507,7 @@ # CONFIG_LEGACY_VSYSCALL_NONE is not set # CONFIG_CMDLINE_BOOL is not set CONFIG_MODIFY_LDT_SYSCALL=y +# CONFIG_STRICT_SIGALTSTACK_SIZE is not set CONFIG_HAVE_LIVEPATCH=y CONFIG_LIVEPATCH=y # end of Processor type and features @@ -841,6 +841,7 @@ CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC=y CONFIG_ARCH_HAS_ELFCORE_COMPAT=y CONFIG_ARCH_HAS_PARANOID_L1D_FLUSH=y +CONFIG_DYNAMIC_SIGFRAME=y # # GCOV-based kernel profiling @@ -10282,7 +10283,25 @@ CONFIG_EROFS_FS_SECURITY=y CONFIG_EROFS_FS_ZIP=y CONFIG_VBOXSF_FS=m -# CONFIG_AUFS_FS is not set +CONFIG_AUFS_FS=m +CONFIG_AUFS_BRANCH_MAX_127=y +# CONFIG_AUFS_BRANCH_MAX_511 is not set +# CONFIG_AUFS_BRANCH_MAX_1023 is not set +# CONFIG_AUFS_BRANCH_MAX_32767 is not set +CONFIG_AUFS_SBILIST=y +# CONFIG_AUFS_HNOTIFY is not set +CONFIG_AUFS_EXPORT=y +CONFIG_AUFS_INO_T_64=y +CONFIG_AUFS_XATTR=y +# CONFIG_AUFS_FHSM is not set +# CONFIG_AUFS_RDU is not set +CONFIG_AUFS_DIRREN=y +# CONFIG_AUFS_SHWH is not set +# CONFIG_AUFS_BR_RAMFS is not set +# CONFIG_AUFS_BR_FUSE is not set +CONFIG_AUFS_BR_HFSPLUS=y +CONFIG_AUFS_BDEV_LOOP=y +# CONFIG_AUFS_DEBUG is not set CONFIG_NETWORK_FILESYSTEMS=y CONFIG_NFS_FS=m CONFIG_NFS_V2=m @@ -10428,7 +10447,7 @@ CONFIG_ENCRYPTED_KEYS=y CONFIG_KEY_DH_OPERATIONS=y CONFIG_KEY_NOTIFICATIONS=y -CONFIG_SECURITY_DMESG_RESTRICT=y +# CONFIG_SECURITY_DMESG_RESTRICT is not set CONFIG_SECURITY_PERF_EVENTS_RESTRICT=y CONFIG_SECURITY=y CONFIG_SECURITYFS=y @@ -10533,8 +10552,6 @@ CONFIG_INIT_STACK_NONE=y CONFIG_INIT_ON_ALLOC_DEFAULT_ON=y # CONFIG_INIT_ON_FREE_DEFAULT_ON is not set -CONFIG_CC_HAS_ZERO_CALL_USED_REGS=y -# CONFIG_ZERO_CALL_USED_REGS is not set # end of Memory initialization # end of Kernel hardening options # end of Security options @@ -10974,9 +10991,9 @@ # CONFIG_DEBUG_INFO_REDUCED is not set # CONFIG_DEBUG_INFO_COMPRESSED is not set # CONFIG_DEBUG_INFO_SPLIT is not set -# CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT is not set +CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y # CONFIG_DEBUG_INFO_DWARF4 is not set -CONFIG_DEBUG_INFO_DWARF5=y +# CONFIG_DEBUG_INFO_DWARF5 is not set CONFIG_DEBUG_INFO_BTF=y CONFIG_PAHOLE_HAS_SPLIT_BTF=y CONFIG_DEBUG_INFO_BTF_MODULES=y @@ -11030,8 +11047,6 @@ CONFIG_UBSAN_SANITIZE_ALL=y # CONFIG_TEST_UBSAN is not set CONFIG_HAVE_ARCH_KCSAN=y -CONFIG_HAVE_KCSAN_COMPILER=y -# CONFIG_KCSAN is not set # end of Generic Kernel Debugging Instruments CONFIG_DEBUG_KERNEL=y root@compute81:~# -- 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
