Hi, starting VM on old Core2 host emits:
vmwrite error: reg 401e value a02827a0 (err 12)
CPU: 1 PID: 1680 Comm: qemu-build Not tainted 4.18.0-rc4 #1
Hardware name: /DG35EC, BIOS ECG3510M.86A.0118.2010.0113.1426 01/13/2010
Call Trace:
dump_stack+0x5c/0x80
vmx_set_virtual_apic_mode+0x169/0x210 [kvm_intel]
kvm_lapic_set_base+0x76/0x190 [kvm]
kvm_set_apic_base+0xa7/0xd0 [kvm]
kvm_set_msr_common+0x877/0xbc0 [kvm]
? vmx_vcpu_run+0x38a/0x8f0 [kvm_intel]
? vmx_vcpu_run+0x396/0x8f0 [kvm_intel]
? vmx_vcpu_run+0x38a/0x8f0 [kvm_intel]
? vmx_vcpu_run+0x396/0x8f0 [kvm_intel]
? vmx_vcpu_run+0x38a/0x8f0 [kvm_intel]
handle_wrmsr+0x38/0x70 [kvm_intel]
vmx_handle_exit+0x90/0xcf0 [kvm_intel]
? vmx_vcpu_run+0x38a/0x8f0 [kvm_intel]
? vmx_vcpu_run+0x396/0x8f0 [kvm_intel]
? vmx_vcpu_run+0x77d/0x8f0 [kvm_intel]
? pic_unlock+0x5b/0x80 [kvm]
kvm_arch_vcpu_ioctl_run+0x52a/0x17d0 [kvm]
kvm_vcpu_ioctl+0x285/0x510 [kvm]
? wake_up_q+0x70/0x70
do_vfs_ioctl+0x8b/0x5d0
? __fget+0x6a/0xa0
ksys_ioctl+0x35/0x70
__x64_sys_ioctl+0x11/0x20
do_syscall_64+0x52/0x300
? __schedule+0x1b2/0x5d0
entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f991b3dbbf7
Code: 90 90 90 48 8b 05 d1 d3 2a 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff
ff ff c3 90 90 90 90 90 90 90 90 90 90 b8 10 00 00 00 0f 05 <48> 3d 01
f0 ff ff 73 01 c3 48 8b 0d a1 d3 2a 00 31 d2 48 29 c2 64
RSP: 002b:00007f99174c0918 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 000000000000ae80 RCX: 00007f991b3dbbf7
RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 000000000000001a
RBP: 0000000000000000 R08: 0000560c0c8fae50 R09: 0000000000000690
R10: 0005f5b4e5824f35 R11: 0000000000000246 R12: 0000560c0d8524b0
R13: 00007f991d55b000 R14: 0000000000000000 R15: 0000560c0d8524b0
vmwrite error: reg 401e value a02827a0 (err 12)
CPU: 1 PID: 1681 Comm: qemu-build Not tainted 4.18.0-rc4 #1
Hardware name: /DG35EC, BIOS ECG3510M.86A.0118.2010.0113.1426 01/13/2010
Call Trace:
dump_stack+0x5c/0x80
vmx_set_virtual_apic_mode+0x169/0x210 [kvm_intel]
kvm_lapic_set_base+0x76/0x190 [kvm]
kvm_set_apic_base+0xa7/0xd0 [kvm]
kvm_set_msr_common+0x877/0xbc0 [kvm]
? vmx_vcpu_run+0x38a/0x8f0 [kvm_intel]
? vmx_vcpu_run+0x396/0x8f0 [kvm_intel]
? vmx_vcpu_run+0x38a/0x8f0 [kvm_intel]
? vmx_vcpu_run+0x396/0x8f0 [kvm_intel]
? vmx_vcpu_run+0x38a/0x8f0 [kvm_intel]
handle_wrmsr+0x38/0x70 [kvm_intel]
vmx_handle_exit+0x90/0xcf0 [kvm_intel]
? vmx_vcpu_run+0x38a/0x8f0 [kvm_intel]
? vmx_vcpu_run+0x396/0x8f0 [kvm_intel]
? vmx_vcpu_run+0x77d/0x8f0 [kvm_intel]
kvm_arch_vcpu_ioctl_run+0x52a/0x17d0 [kvm]
kvm_vcpu_ioctl+0x285/0x510 [kvm]
? do_futex+0x289/0xa60
? signal_setup_done+0x6f/0x90
? do_signal+0x3c4/0x590
do_vfs_ioctl+0x8b/0x5d0
? __fget+0x6a/0xa0
ksys_ioctl+0x35/0x70
__x64_sys_ioctl+0x11/0x20
do_syscall_64+0x52/0x300
entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f991b3dbbf7
Code: 90 90 90 48 8b 05 d1 d3 2a 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff
ff ff c3 90 90 90 90 90 90 90 90 90 90 b8 10 00 00 00 0f 05 <48> 3d 01
f0 ff ff 73 01 c3 48 8b 0d a1 d3 2a 00 31 d2 48 29 c2 64
RSP: 002b:00007f9916cbf918 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 000000000000ae80 RCX: 00007f991b3dbbf7
RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 000000000000001b
RBP: 0000000000000000 R08: 0000560c0c8fae50 R09: 0000000000000016
R10: 000000007fffffff R11: 0000000000000246 R12: 0000560c0d8a1170
R13: 00007f991d558000 R14: 0000000000000000 R15: 0000560c0d8a1170
host kernel: 4.18.0-rc4 (gcc version 8.1.1 20180531, PREEMPT)
cpu family : 6
model : 15
model name : Intel(R) Core(TM)2 CPU 6600 @ 2.40GHz
stepping : 6
microcode : 0xcb
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe
syscall nx lm constant_tsc arch_perfmon pebs bts rep_good nopl cpuid
aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm
lahf_lm pti tpr_shadow dtherm
KVM guests are working fine...
TIA, Z.
