[pve-devel] random vm start fail but tap device not cleaned.

[Alexandre DERUMIER]

note: 

I have remove the tap interface from bridge manually,
but I can't delete it with tunctl


# tunctl -d tap10385i0
TUNSETIFF: Device or resource busy


----- Mail original ----- 

De: "Alexandre DERUMIER" <aderumier at odiso.com> 
À: pve-devel at pve.proxmox.com 
Envoyé: Mercredi 25 Avril 2012 17:29:50 
Objet: [pve-devel] random vm start fail but tap device not cleaned. 

Hi Dietmar, I have had this problem twice. 
vm start hang, then I stop the vm but the tap device is not cleaned, then I can restart it 

Do you know how I can remove the tap interface manually ? 



#qm start 10385 
--> hang 

#qm stop 10385 
VM quit/powerdown failed - terminating now with SIGTERM 

VM still running - terminating now with SIGKILL 

#qm start 10385 

kvm: -netdev type=tap,id=net0,ifname=tap10385i0,script=/var/lib/qemu-server/pve-bridge,vhost=on: could not configure /dev/net/tun (tap10385i0): Device or resource busy 
kvm: -netdev type=tap,id=net0,ifname=tap10385i0,script=/var/lib/qemu-server/pve-bridge,vhost=on: Device 'tap' could not be initialized 
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