Re: [Qemu-devel] [Crucial bug] Qemu-2.0.0 do not support virtio-net hot plug/unplug exceed two times

[Gonglei (Arei)]

> 
> Am 06.05.2014 14:52, schrieb Gonglei (Arei):
> > Step 1: I executed "device_add virtio-net-pci,id=net1"
> > with "info pci", I found the net1, showing as below:
> > Bus  0, device   4, function 0:
> >     Ethernet controller: PCI device 1af4:1000
> >       IRQ 0.
> >       BAR0: I/O at 0xffffffffffffffff [0x001e].
> >       BAR1: 32 bit memory at 0xffffffffffffffff [0x00000ffe].
> >       BAR6: 32 bit memory at 0xffffffffffffffff [0x0003fffe].
> >       id "net1"
> > Step 2: I executed " device_del net1", but the net1 still existed.
> >
> >> In QMP, you get a DEVICE_DELETED event when the unplug completes.
> See
> >> qmp/qmp-events.txt.
> > Actually, I don't get the event, as the net1 can't be unplug.
> >
> > BTW, when I execute step 1 "device_add virtio-net-pci,id=net1", I don't find
> the
> > Ethernet controller of virtio-net by "lspci " in the guest OS.
> > TBH, the command execution failed despite we can see net1 with "info pci".
> 
> Sounds like the acpiphp kernel module is not loaded inside the guest?
> 
OMG, thank you so much. Good catch.

Best regards,
-Gonglei