apport information ** Attachment added: "ProcCpuinfo.txt" https://bugs.launchpad.net/bugs/1843444/+attachment/5287815/+files/ProcCpuinfo.txt
-- 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/1843444 Title: Guests paused/crash during live-migration Status in linux package in Ubuntu: Confirmed Bug description: after update my hosts (OpenStack Queens) to current packages (I'm using 18.04, kernel 4.15.0-62) live-migration is intermittently failing pausing my vms with the following error (this problem doesn't occur before upgrade the hosts): KVM: entry failed, hardware error 0x80000021 If you're running a guest on an Intel machine without unrestricted mode support, the failure can be most likely due to the guest entering an invalid state for Intel VT. For example, the guest maybe running in big real mode which is not supported on less recent Intel processors. RAX=ffffffff997bdc50 RBX=0000000000000003 RCX=0000000000000000 RDX=0000000000000000 RSI=0000000000000000 RDI=0000000000000000 RBP=ffffb8d940387e78 RSP=ffffb8d940387e78 R8 =0000000000000004 R9 =ffff9dc43fd9d220 R10=0000000000000000 R11=000000cfc7d0f8fb R12=0000000000000003 R13=ffff9dc43c8e8000 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff997bdfc2 RFL=00010246 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 ffffffff 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 ffffffff 00000000 FS =0000 0000000000000000 ffffffff 00000000 GS =0000 ffff9dc43fd80000 ffffffff 00000000 LDT=0000 0000000000000000 000fffff 00000000 TR =0040 fffffe0000087000 0000206f 00008b00 DPL=0 TSS64-busy GDT= fffffe0000085000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00000000ffffffff CR3=0000000052e0a003 CR4=00760ee0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000fffe0ff0 DR7=0000000000000400 EFER=0000000000000d01 Code=90 90 55 48 89 e5 e9 07 00 00 00 0f 00 2d f0 bc 44 00 fb f4 <5d> c3 66 90 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 e9 07 00 00 00 0f 00 2d d0 bc 44 00 KVM: entry failed, hardware error 0x80000021 If you're running a guest on an Intel machine without unrestricted mode support, the failure can be most likely due to the guest entering an invalid state for Intel VT. For example, the guest maybe running in big real mode which is not supported on less recent Intel processors. RAX=ffffffff997bdc50 RBX=0000000000000002 RCX=0000000000000000 RDX=0000000000000000 RSI=0000000000000000 RDI=0000000000000000 RBP=ffffb8d94037fe78 RSP=ffffb8d94037fe78 R8 =0000000000000004 R9 =ffff9dc43fd1d220 R10=0000000000000000 R11=000000cfcef806fb R12=0000000000000002 R13=ffff9dc43c8ebb80 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff997bdfc2 RFL=00010246 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 ffffffff 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 ffffffff 00000000 FS =0000 0000000000000000 ffffffff 00000000 GS =0000 ffff9dc43fd00000 ffffffff 00000000 LDT=0000 0000000000000000 ffffffff 00000000 TR =0040 fffffe000005b000 0000206f 00008b00 DPL=0 TSS64-busy GDT= fffffe0000059000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00000000ffffffff CR3=0000000052e0a003 CR4=00760ee0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000fffe0ff0 DR7=0000000000000400 EFER=0000000000000d01 Code=90 90 55 48 89 e5 e9 07 00 00 00 0f 00 2d f0 bc 44 00 fb f4 <5d> c3 66 90 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 e9 07 00 00 00 0f 00 2d d0 bc 44 00 --- ProblemType: Bug AlsaDevices: total 0K crw-rw---- 1 root audio 116, 1 Sep 9 13:56 seq crw-rw---- 1 root audio 116, 33 Sep 9 13:56 timer AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay' ApportVersion: 2.20.9-0ubuntu7.7 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord': 'arecord' AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found. DistroRelease: Ubuntu 18.04 IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig' Lsusb: Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 004: ID 1604:10c0 Tascam Bus 001 Device 003: ID 1604:10c0 Tascam Bus 001 Device 002: ID 1604:10c0 Tascam Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: Dell Inc. PowerEdge R640 Package: linux (not installed) PciMultimedia: ProcEnviron: LC_TIME=en_US.UTF-8 TERM=xterm-256color PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/csh ProcFB: 0 EFI VGA ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-58-generic root=UUID=931f084f-0c66-44fc-b270-8f8f4357aa3c ro apparmor=1 security=apparmor ProcVersionSignature: Ubuntu 4.15.0-58.64-generic 4.15.18 RelatedPackageVersions: linux-restricted-modules-4.15.0-58-generic N/A linux-backports-modules-4.15.0-58-generic N/A linux-firmware 1.173.9 RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill' Tags: bionic Uname: Linux 4.15.0-58-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: _MarkForUpload: True dmi.bios.date: 06/13/2019 dmi.bios.vendor: Dell Inc. dmi.bios.version: 2.2.11 dmi.board.name: 0W23H8 dmi.board.vendor: Dell Inc. dmi.board.version: A03 dmi.chassis.type: 23 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr2.2.11:bd06/13/2019:svnDellInc.:pnPowerEdgeR640:pvr:rvnDellInc.:rn0W23H8:rvrA03:cvnDellInc.:ct23:cvr: dmi.product.family: PowerEdge dmi.product.name: PowerEdge R640 dmi.sys.vendor: Dell Inc. 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