On Tue, Sep 30, 2008 at 4:16 PM, Arnaldo Carvalho de Melo
<acme@xxxxxxxxxx> wrote:
> 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
>> <acme@xxxxxxxxxx> 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
>
Arnaldo, thank you for the reply. Please, check the strace output
below. I'm not sure what it happen, although I have a thought. Any
clue?
Process 5849 attached (waiting for parent)
Process 5849 resumed (parent 5848 ready)
[pid 5849] socket(PF_NETLINK, SOCK_RAW, 0) = 3
[pid 5849] bind(3, {sa_family=AF_NETLINK, pid=0, groups=00000000}, 12) = 0
[pid 5849] getsockname(3, {sa_family=AF_NETLINK, pid=5848,
groups=00000000}, [12]) = 0
[pid 5849] sendto(3, "\24\0\0\0\26\0\1\3&\230\342H\0\0\0\0\0\0\0\0",
20, 0, {sa_family=AF_NETLINK, pid=0, groups=00000000}, 12) = 20
[pid 5849] recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK, pid=0,
groups=00000000},
msg_iov(1)=[{"8\0\0\0\24\0\2\0&\230\342H\330\26\0\0\2\10\200\376\1\0\0\0\10\0\1\0\177\0\0\1"...,
4096}], msg_controllen=0, msg_flags=0}, 0) = 116
[pid 5849] recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK, pid=0,
groups=00000000},
msg_iov(1)=[{"@\0\0\0\24\0\2\0&\230\342H\330\26\0\0\n\200\200\376\1\0\0\0\24\0\1\0\0\0\0\0"...,
4096}], msg_controllen=0, msg_flags=0}, 0) = 128
[pid 5849] recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK, pid=0,
groups=00000000},
msg_iov(1)=[{"\24\0\0\0\3\0\2\0&\230\342H\330\26\0\0\0\0\0\0\1\0\0\0\24\0\1\0\0\0\0\0"...,
4096}], msg_controllen=0, msg_flags=0}, 0) = 20
[pid 5849] socket(PF_INET6, SOCK_DGRAM, IPPROTO_IP) = 3
[pid 5849] connect(3, {sa_family=AF_INET6, sin6_port=htons(5001),
inet_pton(AF_INET6, "::", &sin6_addr), sin6_flowinfo=0,
sin6_scope_id=0}, 28) = 0
[pid 5849] getsockname(3, {sa_family=AF_INET6,
sin6_port=htons(56372), inet_pton(AF_INET6, "::1", &sin6_addr),
sin6_flowinfo=0, sin6_scope_id=0}, [28]) = 0
[pid 5849] socket(PF_INET, SOCK_DGRAM, IPPROTO_IP) = 3
[pid 5849] connect(3, {sa_family=AF_INET, sin_port=htons(5001),
sin_addr=inet_addr("0.0.0.0")}, 16) = 0
[pid 5849] getsockname(3, {sa_family=AF_INET, sin_port=htons(37587),
sin_addr=inet_addr("127.0.0.1")}, [16]) = 0
[pid 5849] socket(PF_INET6, 0x6 /* SOCK_??? */, 0x21 /* IPPROTO_???
*/) = -1 EUNATCH (Protocol driver not attached)
[pid 5849] socket(PF_INET6, 0x6 /* SOCK_??? */, 0x21 /* IPPROTO_???
*/Process 5854 attached
) = -1 EUNATCH (Protocol driver not attached)
[pid 5849] socket(PF_INET6, 0x6 /* SOCK_??? */, 0x21 /* IPPROTO_???
*/) = -1 EUNATCH (Protocol driver not attached)
[pid 5849] socket(PF_INET, 0x6 /* SOCK_??? */, 0x21 /* IPPROTO_???
*/) = -1 EUNATCH (Protocol driver not attached)
[pid 5849] socket(PF_INET, 0x6 /* SOCK_??? */, 0x21 /* IPPROTO_???
*/) = -1 EUNATCH (Protocol driver not attached)
[pid 5849] socket(PF_INET, 0x6 /* SOCK_??? */, 0x21 /* IPPROTO_???
*/) = -1 EUNATCH (Protocol driver not attached)
Can not create DCCP socket (Protocol driver not attached)
--
To unsubscribe from this list: send the line "unsubscribe dccp" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
