Here's where start(8) is blocked:
(gdb) bt full #0 0x0065e422 in __kernel_vsyscall () No symbol table info available. #1 0x00242b6b in poll () from /lib/tls/i686/cmov/libc.so.6 No symbol table info available. #2 0x0016f10b in _dbus_poll (fds=0xbfa33734, n_fds=1, timeout_milliseconds=-1) at dbus-sysdeps-unix.c:1970 No locals. #3 0x001670df in socket_do_iteration (transport=0x1438518, flags=6, timeout_milliseconds=-1) at dbus-transport-socket.c:1066 poll_fd = {fd = 3, events = 1, revents = 0} poll_res = 6 poll_timeout = -1 #4 0x001652fc in _dbus_transport_do_iteration (transport=0x1438518, flags=6, timeout_milliseconds=-1) at dbus-transport.c:956 No locals. #5 0x0014fbf3 in _dbus_connection_do_iteration_unlocked (connection=0x1438928, flags=6, timeout_milliseconds=1) at dbus-connection.c:1163 No locals. #6 0x00152344 in _dbus_connection_block_pending_call (pending=0x1438bd0) at dbus-connection.c:2423 start_tv_sec = 21209452 start_tv_usec = 8 tv_sec = 1253204795 tv_usec = 453647 status = <value optimized out> connection = 0x1438928 client_serial = 2 timeout = 0x0 timeout_milliseconds = -1 elapsed_milliseconds = -1 #7 0x0015fa81 in dbus_pending_call_block (pending=0xfffffdfc) at dbus-pending-call.c:705 __FUNCTION__ = "dbus_pending_call_block" #8 0x00811ab2 in start_action (command=0x1438074, args=0x1438364) at initctl.c:406 upstart = 0x1438b34 upstart_job = 0x1438384 "anacron" upstart_instance = 0x0 job_class_path = 0x143a12c "/com/ubuntu/Upstart/jobs/anacron" job_class = 0x143a16c job_path = 0x0 job = 0x0 pending_call = <value optimized out> ret = 1 err = <value optimized out> __FUNCTION__ = "start_action" #9 0x0082664e in nih_command_handle (parent=<value optimized out>, argc=<value optimized out>, argv=0xbfa33ab4, options=0x8350f8, commands=0x1438074, command=0x1438074) at command.c:344 cmd_opts = <value optimized out> opts = 0x14381c4 ret = -1 __FUNCTION__ = "nih_command_handle" #10 0x008267a5 in nih_command_parser (parent=0x0, argc=3, argv=0xbfa33ab4, options=0x8350f8, commands=0x83514c) at command.c:135 cmds = 0x1438074 cmd = 0x1438074 footer = 0x0 stem = 0x0 args = 0x0 arg = <value optimized out> ret = <value optimized out> __FUNCTION__ = "nih_command_parser" #11 0x008100aa in main (argc=3, argv=0xbfa33ab4) at initctl.c:1372 ret = <value optimized out> #12 0x0019ab56 in __libc_start_main () from /lib/tls/i686/cmov/libc.so.6 No symbol table info available. #13 0x0080ff51 in _start () at ../sysdeps/i386/elf/start.S:106 No locals.
Here's where start(8) is blocked:
(gdb) bt full i686/cmov/ libc.so. 6 milliseconds= -1) at dbus-sysdeps- unix.c: 1970 0x1438518, flags=6, timeout_ milliseconds= -1) at dbus-transport- socket. c:1066
poll_timeout = -1 _do_iteration (transport= 0x1438518, flags=6, timeout_ milliseconds= -1) at dbus-transport. c:956 n_do_iteration_ unlocked (connection= 0x1438928, flags=6, timeout_ milliseconds= 1) at dbus-connection .c:1163 n_block_ pending_ call (pending=0x1438bd0) at dbus-connection .c:2423
start_ tv_sec = 21209452
start_ tv_usec = 8
client_ serial = 2
timeout_ milliseconds = -1
elapsed_ milliseconds = -1 call_block (pending= 0xfffffdfc) at dbus-pending- call.c: 705
__FUNCTION_ _ = "dbus_pending_ call_block"
upstart_ instance = 0x0
job_class_ path = 0x143a12c "/com/ubuntu/ Upstart/ jobs/anacron"
pending_ call = <value optimized out>
__FUNCTION_ _ = "start_action"
__FUNCTION_ _ = "nih_command_ handle"
__FUNCTION_ _ = "nih_command_ parser" i686/cmov/ libc.so. 6 i386/elf/ start.S: 106
#0 0x0065e422 in __kernel_vsyscall ()
No symbol table info available.
#1 0x00242b6b in poll () from /lib/tls/
No symbol table info available.
#2 0x0016f10b in _dbus_poll (fds=0xbfa33734, n_fds=1, timeout_
No locals.
#3 0x001670df in socket_do_iteration (transport=
poll_fd = {fd = 3, events = 1, revents = 0}
poll_res = 6
#4 0x001652fc in _dbus_transport
No locals.
#5 0x0014fbf3 in _dbus_connectio
No locals.
#6 0x00152344 in _dbus_connectio
tv_sec = 1253204795
tv_usec = 453647
status = <value optimized out>
connection = 0x1438928
timeout = 0x0
#7 0x0015fa81 in dbus_pending_
#8 0x00811ab2 in start_action (command=0x1438074, args=0x1438364) at initctl.c:406
upstart = 0x1438b34
upstart_job = 0x1438384 "anacron"
job_class = 0x143a16c
job_path = 0x0
job = 0x0
ret = 1
err = <value optimized out>
#9 0x0082664e in nih_command_handle (parent=<value optimized out>, argc=<value optimized out>, argv=0xbfa33ab4, options=0x8350f8, commands=0x1438074, command=0x1438074) at command.c:344
cmd_opts = <value optimized out>
opts = 0x14381c4
ret = -1
#10 0x008267a5 in nih_command_parser (parent=0x0, argc=3, argv=0xbfa33ab4, options=0x8350f8, commands=0x83514c) at command.c:135
cmds = 0x1438074
cmd = 0x1438074
footer = 0x0
stem = 0x0
args = 0x0
arg = <value optimized out>
ret = <value optimized out>
#11 0x008100aa in main (argc=3, argv=0xbfa33ab4) at initctl.c:1372
ret = <value optimized out>
#12 0x0019ab56 in __libc_start_main () from /lib/tls/
No symbol table info available.
#13 0x0080ff51 in _start () at ../sysdeps/
No locals.