** Also affects: qemu (Ubuntu Eoan) Importance: Wishlist Assignee: Rafael David Tinoco (rafaeldtinoco) Status: Confirmed
** Also affects: linux (Ubuntu Eoan) Importance: Wishlist Status: Confirmed ** Also affects: qemu (Ubuntu Disco) Importance: Undecided Status: New ** Also affects: linux (Ubuntu Disco) Importance: Undecided Status: New ** Also affects: qemu (Ubuntu Bionic) Importance: Undecided Status: New ** Also affects: linux (Ubuntu Bionic) Importance: Undecided Status: New ** Also affects: qemu (Ubuntu Cosmic) Importance: Undecided Status: New ** Also affects: linux (Ubuntu Cosmic) Importance: Undecided Status: New ** Changed in: qemu (Ubuntu Disco) Status: New => Confirmed ** Changed in: qemu (Ubuntu Cosmic) Status: New => Confirmed ** Changed in: qemu (Ubuntu Bionic) Status: New => Confirmed -- 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/1828495 Title: [KVM][CLX] CPUID_7_0_EDX_ARCH_CAPABILITIES is not enabled in VM. Status in intel: New Status in linux package in Ubuntu: Confirmed Status in qemu package in Ubuntu: Confirmed Status in linux source package in Bionic: New Status in qemu source package in Bionic: Confirmed Status in linux source package in Cosmic: New Status in qemu source package in Cosmic: Confirmed Status in linux source package in Disco: New Status in qemu source package in Disco: Confirmed Status in linux source package in Eoan: Confirmed Status in qemu source package in Eoan: Confirmed Bug description: This is a bug. Test Environment: Repro Steps: 1. Boot up guest using: -cpu Cascadelake-Server [root@clx-2s2 yexin]# qemu-system-x86_64 -accel kvm -drive if=virtio,id=hd,file=/home/x/x,format=qcow2 -m 4096 -smp 4 -cpu Cascadelake-Server -serial stdio char device redirected to /dev/pts/3 (label serial0) qemu-system-x86_64: warning: host doesn't support requested feature: CPUID.07H:ECX [bit 4] qemu-system-x86_64: warning: host doesn't support requested feature: CPUID.07H:ECX [bit 4] qemu-system-x86_64: warning: host doesn't support requested feature: CPUID.07H:ECX [bit 4] qemu-system-x86_64: warning: host doesn't support requested feature: CPUID.07H:ECX [bit 4] 2. To check CPU ID related to features[FEAT_7_0_EDX] :CPUID_7_0_EDX_ARCH_CAPABILITIES Expected Result: Both host and guest's CPUID.07H EDX bit 29 should be 1. Actual Result: Host's cpuid: 0x00000007 0x00: eax=0x00000000 ebx=0xd39ffffb ecx=0x00000818 edx=0xbc000000 (EDX bit 29=1) Guest's cpuid : 0x00000007 0x00: eax=0x00000000 ebx=0xd19f0fb9 ecx=0x00000818 edx=0x84000000 (EDX bit 29=0) Commit:2bdb76c015df7125783d8394d6339d181cb5bc30 Target Kerned: 5.1 Target Release: 19.10 To manage notifications about this bug go to: https://bugs.launchpad.net/intel/+bug/1828495/+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