Description of problem:

# service cups start
Starting cups: cupsd: Child exited on signal 11!
                                                           [FAILED]

Version-Release number of selected component (if applicable):

# rpm -q cups dbus
cups-1.1.23-13
dbus-0.31-2

How reproducible:

Every time

Steps to Reproduce:
1. See above
  
strace shows...

...
3936  socket(PF_FILE, SOCK_STREAM, 0)   = 2
3936  connect(2, {sa_family=AF_FILE,
path="/var/run/dbus/system_bus_socket"}, 110) = 0
3936  fcntl64(2, F_GETFL)               = 0x2 (flags O_RDWR)
3936  fcntl64(2, F_SETFL, O_RDWR|O_NONBLOCK) = 0
3936  fcntl64(2, F_GETFD)               = 0
3936  fcntl64(2, F_SETFD, FD_CLOEXEC)   = 0
3936  getuid32()                        = 0
3936  rt_sigaction(SIGPIPE, {SIG_IGN}, {SIG_DFL}, 8) = 0
3936  poll([{fd=2, events=POLLOUT, revents=POLLOUT}], 1, 0) = 1
3936  write(2, "\0", 1)                 = 1
3936  write(2, "AUTH EXTERNAL 30\r\n", 18) = 18
3936  poll([{fd=2, events=POLLIN, revents=POLLIN}], 1, -1) = 1
3936  read(2, "OK\r\n", 2048)           = 4
3936  poll([{fd=2, events=POLLOUT, revents=POLLOUT}], 1, -1) = 1
3936  write(2, "BEGIN\r\n", 7)          = 7
3936  poll([{fd=2, events=POLLIN|POLLOUT, revents=POLLOUT}], 1, -1) = 1
3936  writev(2,
[{"l\1\0\1\0\0\0\0\1\0\0\0n\0\0\0\1\1o\0\25\0\0\0/org/fre"..., 128},
{"", 0}], 2) = 128
3936  gettimeofday({1110424069, 211329}, NULL) = 0
3936  poll([{fd=2, events=POLLIN, revents=POLLIN}], 1, 25000) = 1
3936  read(2,
"l\2\1\1\n\0\0\0\1\0\0\0=\0\0\0\6\1s\0\5\0\0\0:1.23\0\0"..., 2048) = 260
3936  read(2, 0x8a60838, 2048)          = -1 EAGAIN (Resource
temporarily unavailable)
3936  --- SIGSEGV (Segmentation fault) @ 0 (0) ---

Will attept to get a gdb backtrace.