[Xen-users] Xen 4.11 failed to start with more 4 NICs

[Reeve Yang <reeve.yang@xxxxxxxxx>]

Hi Xen Gurus,

I need 9 interfaces and all have to emulate e1000. However, it fails to start:
libxl: debug: libxl_event.c:673:libxl__ev_xswatch_deregister: watch
w=0x561083b2dc18 wpath=/local/domain/0/device-model/128/state
token=3/1: deregister slotnum=3
libxl: error: libxl_dm.c:2427:device_model_spawn_outcome: Domain
128:domain 128 device model: spawn failed (rc=-3)

qemu-dm-sslv.log shows:
qemu-system-i386: -serial pty: char device redirected to /dev/pts/5
(label serial0)
qemu-system-i386: -device
e1000,id=nic4,netdev=net4,mac=00:16:3e:55:26:73: xen: failed to
populate ram at 810110000

Found there is similar issue many years ago as following link, but
that was xen-4.4 but my is 11.2-pre, which I built by myself.
https://lists.xenproject.org/archives/html/xen-users/2015-05/msg00067.html

Below is my network configuration:
vif = [ 'type=ioemu,model=e1000,script=vif-openvswitch,bridge=ovsbr0',
        'type=ioemu,model=e1000,script=vif-openvswitch,bridge=ovsbr0',
        'type=ioemu,model=e1000,script=vif-openvswitch,bridge=ovsbr0',
        'type=ioemu,model=e1000,script=vif-openvswitch,bridge=ovsbr0',
        'type=ioemu,model=e1000,script=vif-openvswitch,bridge=ovsbr0',
        'type=ioemu,model=e1000,script=vif-openvswitch,bridge=ovsbr0',
        'type=ioemu,model=e1000,script=vif-openvswitch,bridge=ovsbr0',
        'type=ioemu,model=e1000,script=vif-openvswitch,bridge=ovsbr0',
        'type=ioemu,model=e1000,script=vif-openvswitch,bridge=ovsbr0'
      ]

Any help will be very much appreciated.
- Reeve

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