Hello
Qemu don't wait tap infrastructure on windows 10 enough on two consecutive calls
Please observe that only second asincron qemu call works
I have next situation:
F:\20241105>dir
Volume in drive F is Data2
Volume Serial Number is 9A3F-2B31
Directory of F:\20241105
11/05/2024 12:29 PM <DIR> .
11/05/2024 12:29 PM <DIR> ..
11/05/2024 12:13 PM 656 a.bat
11/05/2024 12:27 PM 442,355,200 d.qcow2
11/05/2024 12:27 PM 442,355,200 dd.qcow2
11/05/2024 12:27 PM 442,355,200 debian-12-generic-amd64.qcow2
4 File(s) 1,327,066,256 bytes
2 Dir(s) 40,295,374,848 bytes free
F:\20241105>ver
Microsoft Windows [Version 10.0.19045.5011]
F:\20241105>netsh interface show interface
Admin State State Type Interface Name
-------------------------------------------------------------------------
Enabled Disconnected Dedicated reteavirtuala247
Enabled Connected Dedicated retealoopback
Disabled Disconnected Dedicated Bluetooth Network Connection
Enabled Connected Dedicated Ethernet
F:\20241105>C:\progra~1\qemu\qemu-system-x86_64.exe --version
QEMU emulator version 9.1.0 (v9.1.0-12064-gc658eebf44)
Copyright (c) 2003-2024 Fabrice Bellard and the QEMU Project developers
F:\20241105>type a.bat
@echo off
echo =============1=================
set "QEMUBIN=C:\progra~1\qemu\qemu-system-x86_64.exe"
echo =============2=================
start "" /b "%QEMUBIN%" -m 512 -hda d.qcow2 -name vm ^
-device virtio-net,netdev=n1 -netdev user,id=n1 ^
-device virtio-net,netdev=n2,mac=52:54:00:12:34:56 ^
-netdev tap,id=n2,ifname=reteavirtuala247
echo =============3=================
start "" /b "%QEMUBIN%" -m 512 -hda dd.qcow2 -name vmm ^
-device virtio-net,netdev=nn1 -netdev user,id=nn1 ^
-device virtio-net,netdev=nn2,mac=52:54:00:12:34:76 ^
-netdev tap,id=nn2,ifname=reteavirtuala247
echo =============4=================
F:\20241105>a.bat
=============1=================
=============2=================
=============3=================
=============4=================
F:\20241105>tap: Could not open 'reteavirtuala247'
C:\progra~1\qemu\qemu-system-x86_64.exe: -netdev tap,id=n2,ifname=reteavirtuala247: Device 'tap' could not be initialized
(qemu:11840): Gtk-WARNING **: 12:46:38.685: Could not load a pixbuf from icon theme.
This may indicate that pixbuf loaders or the mime database could not be found.