blob: 2b926c5f7b0cd586e9eabc6253cfba3959e61e97 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
|
graphic: 0.959
device: 0.927
KVM: 0.898
semantic: 0.849
boot: 0.800
debug: 0.744
PID: 0.721
performance: 0.675
vnc: 0.655
network: 0.644
permissions: 0.617
other: 0.590
files: 0.434
socket: 0.340
CPUID.07H:EBX.intel-pt not supported warning info shown in terminal when start guest with -cpu qemu64,+intel-pt
Description of problem:
When launch guest with qemu-system-x86_64 with parameter -cpu host,+intel-pt, it will show warning info in terminal :
qemu-system-x86_64: warning: host doesn't support requested feature: CPUID.07H:EBX.intel-pt [bit 25] 'intel_pt' can not be found in guest's CPU flag.
While host already support intel_pt.
Steps to reproduce:
1. Run the above QEMU command.
Additional information:
This issue was observed with kernel 5.13
qemu-system-x86_64 -accel kvm -m 4096 -smp 4 -cpu host,+intel-pt,min-level=0x14
qemu-system-x86_64: warning: host doesn't support requested feature: CPUID.07H:EBX.intel-pt [bit 25]
qemu-system-x86_64: warning: host doesn't support requested feature: CPUID.07H:EBX.intel-pt [bit 25]
qemu-system-x86_64: warning: host doesn't support requested feature: CPUID.07H:EBX.intel-pt [bit 25]
qemu-system-x86_64: warning: host doesn't support requested feature: CPUID.07H:EBX.intel-pt [bit 25]
|