[CentOS] Conntrackd - fail at startup.

Rafał Radecki radecki.rafal at gmail.com
Wed Nov 21 15:12:39 UTC 2012


Hi all.

I currently try to start conntrackd to test it.
CentOS release 6.3 (Final)
Linux lb1.local 2.6.32-279.11.1.el6.x86_64 #1 SMP Tue Oct 16 15:57:10 UTC
2012 x86_64 x86_64 x86_64 GNU/Linux
This is a VirtualBox vm.

I try:
/usr/sbin/conntrackd -C /etc/conntrackd/conntrackd.conf -d

My config:

[root at lb1 log]# egrep -v '^\s*#|^$' /etc/conntrackd/conntrackd.conf | less
Sync {
        Mode FTFW {
        }
         UDP {
                IPv4_address 192.168.100.11
                IPv4_Destination_Address 192.168.100.12
                Port 3780
                SndSocketBuffer 1249280
                RcvSocketBuffer 1249280
                Checksum on
        }
        Options {
        }
}
General {
        Nice -20
        HashSize 32768
        HashLimit 131072
        LogFile on
        LockFile /var/lock/conntrack.lock
        UNIX {
                Path /var/run/conntrackd.ctl
                Backlog 20
        }
        NetlinkBufferSize 2097152
        NetlinkBufferSizeMaxGrowth 8388608
        Filter From Kernelspace {
                Protocol Accept {
                        TCP
                }
                Address Ignore {
                        IPv4_address 127.0.0.1 # loopback
                        IPv4_address 192.168.100.11 # virtual IP 1
                        IPv4_address 192.168.100.12 # virtual IP 2
                        IPv4_address 10.0.2.111
                        IPv4_address 10.0.2.112
                }
                State Accept {
                        ESTABLISHED CLOSED TIME_WAIT CLOSE_WAIT for TCP
                }
        }
}

With strace (I haven't found an obvious problem in its output):
strace /usr/sbin/conntrackd -C /etc/conntrackd/conntrackd.conf -d

execve("/usr/sbin/conntrackd", ["/usr/sbin/conntrackd", "-C",
"/etc/conntrackd/conntrackd.conf", "-d"], [/* 27 vars */]) = 0
brk(0)                                  = 0x1c57000
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7fa29ca4d000
access("/etc/ld.so.preload", R_OK)      = -1 ENOENT (No such file or
directory)
open("/etc/ld.so.cache", O_RDONLY)      = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=25665, ...}) = 0
mmap(NULL, 25665, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7fa29ca46000
close(3)                                = 0
open("/usr/lib64/libnetfilter_conntrack.so.3", O_RDONLY) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0 at G\0\0\0\0\0\0"...,
832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=85240, ...}) = 0
mmap(NULL, 2180848, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7fa29c61a000
mprotect(0x7fa29c62d000, 2097152, PROT_NONE) = 0
mmap(0x7fa29c82d000, 8192, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x13000) = 0x7fa29c82d000
close(3)                                = 0
open("/usr/lib64/libnfnetlink.so.0", O_RDONLY) = 3
read(3,
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0000\30\0\0\0\0\0\0"..., 832)
= 832
fstat(3, {st_mode=S_IFREG|0755, st_size=24840, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7fa29ca45000
mmap(NULL, 2120560, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7fa29c414000
mprotect(0x7fa29c41a000, 2093056, PROT_NONE) = 0
mmap(0x7fa29c619000, 4096, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x5000) = 0x7fa29c619000
close(3)                                = 0
open("/lib64/libc.so.6", O_RDONLY)      = 3
read(3,
"\177ELF\2\1\1\3\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\360\355\1\0\0\0\0\0"...,
832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=1916528, ...}) = 0
mmap(NULL, 3745960, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7fa29c081000
mprotect(0x7fa29c20a000, 2097152, PROT_NONE) = 0
mmap(0x7fa29c40a000, 20480, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x189000) = 0x7fa29c40a000
mmap(0x7fa29c40f000, 18600, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fa29c40f000
close(3)                                = 0
open("/lib64/libdl.so.2", O_RDONLY)     = 3
read(3,
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\340\r\0\0\0\0\0\0"..., 832)
= 832
fstat(3, {st_mode=S_IFREG|0755, st_size=19536, ...}) = 0
mmap(NULL, 2109696, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7fa29be7d000
mprotect(0x7fa29be7f000, 2097152, PROT_NONE) = 0
mmap(0x7fa29c07f000, 8192, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x7fa29c07f000
close(3)                                = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7fa29ca44000
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7fa29ca43000
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7fa29ca42000
arch_prctl(ARCH_SET_FS, 0x7fa29ca43700) = 0
mprotect(0x7fa29c07f000, 4096, PROT_READ) = 0
mprotect(0x7fa29c40a000, 16384, PROT_READ) = 0
mprotect(0x7fa29ca4e000, 4096, PROT_READ) = 0
munmap(0x7fa29ca46000, 25665)           = 0
uname({sys="Linux", node="lb1.local", ...}) = 0
umask(0177)                             = 022
brk(0)                                  = 0x1c57000
brk(0x1c78000)                          = 0x1c78000
open("/etc/conntrackd/conntrackd.conf", O_RDONLY) = 3
ioctl(3, SNDCTL_TMR_TIMEBASE or TCGETS, 0x7fff09f67e50) = -1 ENOTTY
(Inappropriate ioctl for device)
fstat(3, {st_mode=S_IFREG|0644, st_size=13618, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7fa29ca4c000
read(3, "#\n# Synchronizer settings\n#\nSync"..., 8192) = 8192
read(3, "# since the daemon may keep some"..., 8192) = 5426
read(3, "", 4096)                       = 0
open("/etc/nsswitch.conf", O_RDONLY)    = 4
fstat(4, {st_mode=S_IFREG|0644, st_size=1688, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7fa29ca4b000
read(4, "#\n# /etc/nsswitch.conf\n#\n# An ex"..., 4096) = 1688
read(4, "", 4096)                       = 0
close(4)                                = 0
munmap(0x7fa29ca4b000, 4096)            = 0
open("/etc/ld.so.cache", O_RDONLY)      = 4
fstat(4, {st_mode=S_IFREG|0644, st_size=25665, ...}) = 0
mmap(NULL, 25665, PROT_READ, MAP_PRIVATE, 4, 0) = 0x7fa29ca3b000
close(4)                                = 0
open("/lib64/libnss_files.so.2", O_RDONLY) = 4
read(4,
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\360!\0\0\0\0\0\0"..., 832)
= 832
fstat(4, {st_mode=S_IFREG|0755, st_size=65928, ...}) = 0
mmap(NULL, 2151824, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 4, 0) =
0x7fa29bc6f000
mprotect(0x7fa29bc7b000, 2097152, PROT_NONE) = 0
mmap(0x7fa29be7b000, 8192, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 4, 0xc000) = 0x7fa29be7b000
close(4)                                = 0
mprotect(0x7fa29be7b000, 4096, PROT_READ) = 0
munmap(0x7fa29ca3b000, 25665)           = 0
open("/etc/protocols", O_RDONLY|O_CLOEXEC) = 4
fcntl(4, F_GETFD)                       = 0x1 (flags FD_CLOEXEC)
fstat(4, {st_mode=S_IFREG|0644, st_size=6455, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7fa29ca4b000
read(4, "# /etc/protocols:\n# $Id: protoco"..., 4096) = 4096
close(4)                                = 0
munmap(0x7fa29ca4b000, 4096)            = 0
read(3, "", 8192)                       = 0
ioctl(3, SNDCTL_TMR_TIMEBASE or TCGETS, 0x7fff09f674d0) = -1 ENOTTY
(Inappropriate ioctl for device)
close(3)                                = 0
munmap(0x7fa29ca4c000, 4096)            = 0
open("/var/log/conntrackd.log", O_RDWR|O_CREAT|O_APPEND, 0666) = 3
open("/var/lock/conntrack.lock", O_RDONLY|O_CREAT|O_EXCL|O_TRUNC, 0600) = 4
close(4)                                = 0
getpriority(PRIO_PROCESS, 0)            = 20
setpriority(PRIO_PROCESS, 0, 4294967276) = 0
getpriority(PRIO_PROCESS, 0)            = 40
mmap(NULL, 528384, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
= 0x7fa29c9c1000
mmap(NULL, 528384, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
= 0x7fa29c940000
open("/etc/localtime", O_RDONLY)        = 4
fstat(4, {st_mode=S_IFREG|0644, st_size=2679, ...}) = 0
fstat(4, {st_mode=S_IFREG|0644, st_size=2679, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7fa29ca4c000
read(4, "TZif2\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\n\0\0\0\n\0\0\0\0"...,
4096) = 2679
lseek(4, -1698, SEEK_CUR)               = 981
read(4, "TZif2\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\v\0\0\0\v\0\0\0\0"...,
4096) = 1698
close(4)                                = 0
munmap(0x7fa29ca4c000, 4096)            = 0
getpid()                                = 4564
fstat(3, {st_mode=S_IFREG|0600, st_size=86240, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7fa29ca4c000
write(3, "[Wed Nov 21 15:52:16 2012] (pid="..., 72) = 72
stat("/etc/localtime", {st_mode=S_IFREG|0644, st_size=2679, ...}) = 0
write(3, "[Wed Nov 21 15:52:16 2012] (pid="..., 68) = 68
close(3)                                = 0
munmap(0x7fa29ca4c000, 4096)            = 0
write(2, "ERROR: conntrackd cannot start, "..., 71ERROR: conntrackd cannot
start, please check the logfile for more info
) = 71
unlink("/var/lock/conntrack.lock")      = 0
exit_group(1)

In /var/log/conntrackd.log:
[Wed Nov 21 15:52:16 2012] (pid=4564) [ERROR] can't open channel socket
[Wed Nov 21 15:52:16 2012] (pid=4564) [ERROR] initialization failed

I haven't found anything interesting about "can't open channel socket". Can
anyone help?


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