https://bugzilla.kernel.org/show_bug.cgi?id=73331 Bug ID: 73331 Summary: Nested Virtualization, L2 cannot boot up on Ivybridge and Haswell Product: Virtualization Version: unspecified Kernel Version: 3.14.0-rc3 Hardware: x86-64 OS: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: kvm Assignee: virtualization_kvm@xxxxxxxxxxxxxxxxxxxx Reporter: Robert.Hu@xxxxxxxxx CC: jan.kiszka@xxxxxx Regression: No Environment: ------------ Host OS (ia32/ia32e/IA64):ia32e Guest OS (ia32/ia32e/IA64):ia32e Guest OS Type (Linux/Windows):Linux kvm.git Commit:7227fc0666606b0df2c0d2966a7f4859b01bdf74 qemu.git Commit: 8648fcd52a9bcc2aa415cbe87b7c636e545acb38 Host Kernel Version:3.14.0-rc3 Hardware:Ivytown_EP, Grantley-EP Bug detailed description: -------------------------- create L2 guest, L2 guest cannot boot up on Ivytown. Reproduce steps: ---------------- 1.create L1 guests: qemu-system-x86_64 --enable-kvm -m 10240 -smp 8 -net nic,macaddr=00:12:45:67:2B:1C -net tap,script=/etc/kvm/qemu-ifup nested-kvm-rhel6u4.qcow -cpu host 2. create L2 guests: qemu-system-x86_64 -enable-kvm -m 1024 -smp 2 -net none rhel6u4.qcow Current result: ---------------- L2 guest cannot boot up fine Expected result: ---------------- L2 guest boot up fine. Basic root-causing log: ---------------------- [root@rhel6u4 ~]# qemu-system-x86_64 -enable-kvm -m 1024 -smp 2 -net none rhel6u4.qcow VNC server running on `::1:5900' KVM: entry failed, hardware error 0x0 EAX=00000000 EBX=00000000 ECX=00000000 EDX=00000623 ESI=00000000 EDI=00000000 EBP=00000000 ESP=00000000 EIP=0000fff0 EFL=00000002 [-------] CPL=3 II=0 A20=1 SMM=0 HLT=0 ES =0000 00000000 0000ffff 00009300 CS =f000 000f0000 0000ffff 0000f300 SS =0000 00000000 0000ffff 0000f300 DS =0000 00000000 0000ffff 00009300 FS =0000 00000000 0000ffff 00009300 GS =0000 00000000 0000ffff 00009300 LDT=0000 00000000 0000ffff 00008200 TR =0000 00000000 0000ffff 00008b00 GDT= 00000000 0000ffff IDT= 00000000 0000ffff CR0=60000010 CR2=00000000 CR3=00000000 CR4=00000000 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000000 Code=ff 66 89 c8 66 5b 66 5e 66 5f 66 5d 66 c3 fb f4 fa fc 66 c3 <ea> 5b e0 00 f0 30 36 2f 32 33 2f 39 39 00 fc 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 -- You are receiving this mail because: You are watching the assignee of the bug. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html