From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnaldo Carvalho de Melo Date: Tue, 30 Sep 2008 19:16:41 +0000 Subject: Re: Protocol not attached Message-Id: <20080930191641.GL15446@ghostprotocols.net> List-Id: References: <5bc4c4570809291133k3f5841b1qde962bd3b4882439@mail.gmail.com> In-Reply-To: <5bc4c4570809291133k3f5841b1qde962bd3b4882439@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: dccp@vger.kernel.org Em Tue, Sep 30, 2008 at 03:32:17PM -0300, Leandro Sales escreveu: > On Mon, Sep 29, 2008 at 3:37 PM, Arnaldo Carvalho de Melo > wrote: > > Em Mon, Sep 29, 2008 at 03:33:44PM -0300, Leandro Sales escreveu: > >> Hello folks, > >> I'm getting this message while using 2.6.27: > >> > >> Can not create DCCP socket (Protocol driver not attached) > > > > What is the source of such messages? VLC? What? Try strace to see what > > is the syscall that fails just before this message is printed, etc. > > > >> "uname -a" output: > >> Linux localhost 2.6.27-rc4-44301-g8269be1 #7 SMP Sun Sep 28 17:02:25 > >> BRT 2008 i686 AMD Athlon(tm) 64 Processor 3000+ AuthenticAMD GNU/Linux > >> > >> Anything wrong? I tried compile DCCP using both static and module > >> methods and it produces the same effect. > > > > - Arnaldo > > > > Hello Arnaldo, > I'm just running tests with iperf to later use gstreamer plugin that > I developed. Here it is the output provided by strace while executing > iperf. I'm sorry for the long message. In addition, I'm providing > support for a guy from China that wants to use my gstreamer plugin and > he is facing similar problem, getting a permission denied message > while using the plugin, even then he run the plugin as root. iperf is multithreaded, so you need to run strace with -f to trace child processes, also please try limiting the output to just the networking syscalls: strace -f -e trace=network iperf "net namespaces" blipped in my mind, but it may well be just my brain needing more coffee... - Arnaldo