Re: [nox-dev] Problems installing nox zaku on Ubuntu

2010-10-14 Thread James Murphy McCauley
If it ended up seeming to work, I think the chances are good that it's fine. But I'm interested in whatever the problem may have been if you care to help me understand it a bit more. Nothing stuck out at me after a quick glance at your attachments, and those warnings are generally going to

Re: [nox-dev] Monitor module crashes

2010-10-14 Thread James Murphy McCauley
From the log, it looks like the controller (FlowVisor?) is doing some weird stuff, and I don't know what's up with that. As KK suggested, you might want to look at a trace. BUT, this shouldn't crash NOX, and I do think it points out a bug: In src/builtin/nox.cc, the line immediately following

Re: [nox-dev] Monitor module crashes

2010-10-14 Thread Niky Riga
Thanks, I will try that. I am in the process of getting wireshark up and running to look at a tcpdump, if I get more info I will forward them to you. --niky James Murphy McCauley wrote: From the log, it looks like the controller (FlowVisor?) is doing some weird stuff, and I don't know

Re: [nox-dev] Problems installing nox zaku on Ubuntu

2010-10-14 Thread James Murphy McCauley
The usual cause for this is that you're out of memory. Any possibility that's the case here? Also explains why sometimes it succeeds and sometimes it fails without you changing anything obvious. -- Murphy On Oct 14, 2010, at 12:39 AM, Niky Riga wrote: Hi, Attached is the output of a

[nox-dev] Problem with stat requests and reply

2010-10-14 Thread Niky Riga
Hi, I am using nox zaku and FV 0.4 beta4. I have been having problems with a module that pokes periodically the switches for statistics. In an effort to debug this, I made a clean installation of nox (zaku release) and run the default monitoring module of nox. And the problems persisted.

Re: [nox-dev] Adding flow entry

2010-10-14 Thread Srini Seetharaman
Hi Sachin If you are looking to just create entries without writing any NOX code, then you need to use dpctl. Please do following: $ git clone git://openflowswitch.org/openflow.git $ cd openflow $ git checkout -b of1.0 origin/release/1.0.0 $ ./boot.sh; ./configure; make $ cd utilities $ ./dpctl

Re: [nox-dev] [openflow-discuss] Problem with stat requests and reply

2010-10-14 Thread Rob Sherwood
Nicky: are you by chance using envi as well? There was a problem with table stats and envi, because envi was packing its own packets and was not updated properly for openflow 1.0. The result was that table stats messages were 2 (4? I forget) bytes shorter than they should be.If you're using

Re: [nox-dev] [openflow-discuss] Problem with stat requests and reply

2010-10-14 Thread Rob Sherwood
[dropped openflow-discuss from the CC line; it's mostly overlap in membership in any case] So, I'm confused. Your original mail said your errors from wireshark were for table stats messages, but you yourself are not using table stats? If the table stats messages are not coming from you, why are

Re: [nox-dev] Problem with stat requests and reply

2010-10-14 Thread James Murphy McCauley
In the Monitor module crashes thead, I mentioned that I thought the controller looked like it was doing weird stuff, but to be clear, I meant FlowVisor and not NOX. It looks to me like FlowVisor is sending some things at weird times (for example, sending something weird during handshaking is