Do you have more logs, both mgt server log and agent log? I put a wiki page about how to debug KVM issues: http://wiki.cloudstack.org/display/COMM/KVM+agent+debug
> -----Original Message----- > From: Ahmad Saif [mailto:ahmad.abos...@gmail.com] > Sent: Thursday, July 19, 2012 12:59 AM > To: cloudstack-users@incubator.apache.org > Subject: Failed to add tap interface > > Hello there, > > I've problem starting one of my instances, and I got very weird error > "Failed to add tap interface' > I've tried to restart the hypervisor, and force reconnect it but with > no > luck at all, > > Here is a error form the log file: > > WARN [cloud.vm.VirtualMachineManagerImpl] > (AgentManager-Handler-48:null) Cleanup failed due to Failed to add tap > interface to bridge 'cloudVirBr306': No such device > DEBUG [agent.manager.AgentAttache] (AgentManager-Handler-48:null) Seq > 11-2002067480: No more commands found > DEBUG [agent.transport.Request] (Job-Executor-23:job-233) Seq > 11-2002067480: Received: { Ans: , MgmtId: 20792849212874, via: 11, Ver: > v1, Flags: 110, { StartAnswer } } > WARN [cloud.vm.VirtualMachineManagerImpl] (Job-Executor-23:job-233) > Cleanup failed due to Failed to add tap interface to bridge > 'cloudVirBr306': No such device > INFO [cloud.vm.VirtualMachineManagerImpl] (Job-Executor-23:job-233) > Unable to start VM on Host[-11-Routing] due to Failed to add tap > interface to bridge 'cloudVirBr306': No such device > > > Have any one faced issue like this before ? > > -- > Thanks
