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|
device: 0.905
debug: 0.820
ppc: 0.793
kernel: 0.786
PID: 0.708
user-level: 0.698
register: 0.670
peripherals: 0.655
graphic: 0.650
vnc: 0.630
files: 0.591
socket: 0.553
boot: 0.549
risc-v: 0.536
assembly: 0.536
architecture: 0.526
x86: 0.522
semantic: 0.500
TCG: 0.486
VMM: 0.474
mistranslation: 0.470
performance: 0.466
network: 0.466
hypervisor: 0.462
i386: 0.457
arm: 0.431
permissions: 0.396
KVM: 0.355
virtual: 0.225
pc-q35-7.2 breaks the pcie hot plugin
Description of problem:
the new pc-q35 version >6.0 break the pcie hot plug feature
if I use 5.2, 6.0, it works fine. `dmesg | grep pcieport` shows that:
there is pciehp which provide functionality of hot plug for PCIE device
```
[test@localhost ~]$ dmesg | grep pcieport
[ 1.161129] pcieport 0000:00:02.0: PME: Signaling with IRQ 24
[ 1.162254] pcieport 0000:00:02.0: AER: enabled with IRQ 24
[ 1.163218] pcieport 0000:00:02.0: pciehp: Slot #0 AttnBtn+ PwrCtrl+ MRL- AttnInd+ PwrInd+ HotPlug+ Surprise+ Interlock+ NoCompl- IbPresDis- LLActRep+
```
if I switch to 6.1, 6.2, 7.0, 7.1 ,7.2, the pciehp does not show any control slot.
```
[test@localhost ~]$ dmesg | grep pcieport
[ 1.164311] pcieport 0000:00:02.0: PME: Signaling with IRQ 24
[ 1.165446] pcieport 0000:00:02.0: AER: enabled with IRQ 24
```
Steps to reproduce:
1. run the qemu command as I produced
2. connect to console
3. run `dmesg | grep pcieport`
4. you can try to plug in a GPU or something else, the device initialization will fail because there is no pciehp slow to power it on, normall you will see something like following, with >6.0 you cannot see them:
```
pciehp: Slot(0-8): Attention button pressed
pciehp: Slot(0-8) Powering on due to button press
pciehp: Slot(0-8): Card present
pciehp: Slot(0-8): Link Up
```
Additional information:
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