On Tue, Sep 30, 2008 at 7:11 PM, Arnaldo Carvalho de Melo
<acme@xxxxxxxxxx> wrote:
> Em Tue, Sep 30, 2008 at 06:24:57PM -0300, Leandro Sales escreveu:
>> 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)
>
>
> Here we gett the EUNATACH when trying SOCK_DCCP (6), IPPROTO_DCCP (33),
> but I couldn't find any EUNATACH return in the sock_create path, do you
> have selinux running?
>
> It tries several times PF_INET6 then falls back to PF_INET. Is this
> using glibc? dietlibc? ARM? lsmod output can also help.
>
> - Arnaldo
>
Hello Arnaldo,
kernel version: 2.6.27-rc4 (from gerrit git three)
sys-libs/glibc version: 2.6.1
No selinux running.
In addition, this problem is occurring in both the desktop and on nokia n800.
Thank you,
Leandro.
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