Re: tc / iproute2 shared libraries missing - jessie

["Podrigal, Aron" <aronp@guaranteedplus.com>]

After looking a bit more, it looks to me that this is what was happening (correct me if I'm wrong). looks like those filter types are now statically linked into tc. But if the parameters given to  tc could not be understood using any statically linked algorithms, tc tries to dynamically load other libraries matching matched by keywords within the command line arguments. However I still do not understand why my command is not valid.

On Sun, Jun 28, 2015 at 4:02 AM, Podrigal, Aron <aronp@guaranteedplus.com> wrote:

I am trying to do traffic shaping using tc, however I can't add any filters and am getting this  generic error message 

RTNETLINK answers: Invalid argument

We have an error talking to the kernel

A simple strace shows that the problem is that it can't find the required filter type libraries in /usr/lib/tc/<filter_type>

socket(PF_NETLINK, SOCK_RAW|SOCK_CLOEXEC, NETLINK_ROUTE) = 3

setsockopt(3, SOL_SOCKET, SO_SNDBUF, [32768], 4) = 0

setsockopt(3, SOL_SOCKET, SO_RCVBUF, [1048576], 4) = 0

bind(3, {sa_family=AF_NETLINK, pid=0, groups=00000000}, 12) = 0

getsockname(3, {sa_family=AF_NETLINK, pid=13737, groups=00000000}, [12]) = 0

open("/usr/lib/tc//f_u32.so", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)

sendto(3, "(\0\0\0\22\0\1\3\6\267\217U\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 40, 0, NULL, 0) = 40

recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000}, msg_iov(1)=[{"l\4\0\0\20\0\2\0\6\267\217U\2515\0\0\0\0\4\3\1\0\0\0I\0\1\0\0\0\0\0"..., 16384}], msg_controllen=0, msg_flags=0}, 0) = 3420

recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000}, msg_iov(1)=[{"\24\0\0\0\3\0\2\0\6\267\217U\2515\0\0\0\0\0\0", 16384}], msg_controllen=0, msg_flags=0}, 0) = 20

sendmsg(3, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000}, msg_iov(1)=[{",\0\0\0,\0\5\6\7\267\217U\0\0\0\0\0\0\0\0\2\0\0\0\0\0\0\0\377\377\377\377"..., 44}], msg_controllen=0, msg_flags=0}, 0) = 44

recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000}, msg_iov(1)=[{"@\0\0\0\2\0\0\0\7\267\217U\2515\0\0\352\377\377\377,\0\0\0,\0\5\6\7\267\217U"..., 16384}], msg_controllen=0, msg_flags=0}, 0) = 64

write(2, "RTNETLINK answers: Invalid argum"..., 36RTNETLINK answers: Invalid argument

) = 36

write(2, "We have an error talking to the "..., 39We have an error talking to the kernel

) = 39

close(3)                                = 0

exit_group(2)                           = ?

+++ exited with 2 +++

Iv'e tried searching for any related packages that would provide it, but no success. Can anyone point out if there was any changes to file locations? or if this is a bug?

Thank you.

--

Aron Podrigal

-

//Be happy :-)

--

Aron Podrigal

-

//Be happy :-)