It sounds like maybe you're blocking the main thread for a while? -- Murphy
On Jan 29, 2013, at 2:19 AM, 곽명철 wrote: > Hello all, > > I'm newbie to NOX, and I'm implementing some my own scheme on the > routing module of classic NOX(0.9.0 zaku). > > Problem is, > when I add up the number of entities -like switches or hosts- on network > (I'm using mininet with user switch) > or increase the load over the network, Nox module is down with below > debug messages. > > 00269|openflow|WARN:stream: send error: Bad file descriptor > > 00272|discovery|WARN:link timeout (00:00:00:00:00:00:00:04 p:1 -> > 00:00:00:00:00:00:00:02p:3) > > 00343|bindings_storage|ERR:Serial queue 'Link Queue' has size = 3 and > has not completed an operation in 42 seconds. > > 00436|openflow|WARN:stream: receive error: Bad file descriptor > 00437|nox|WARN:stream: disconnected (Bad file descriptor) > > it seems that each message is shown per link on network. > > What is the cause of this debug messages? > > Thank you. > > -- > Myungchul Kwak > Master Student > Multimedia & Mobile Communications Lab. > School of Computer Science and Engineering > Seoul National University, Republic of Korea. > Tel: 82-2-876-7170 > CP: 82-10-5589-7513 > Email: [email protected] >
