[DEBUG   ] Loaded redis_return as virtual redis
[DEBUG   ] Loaded syslog_return as virtual syslog
[DEBUG   ] Loaded mongo_future_return as virtual mongo
[DEBUG   ] Loaded carbon_return as virtual carbon
[DEBUG   ] Created pidfile: /var/run/salt-minion.pid
[DEBUG   ] Chowned pidfile: /var/run/salt-minion.pid to user: root
[INFO    ] Minion is starting as user 'root'
[DEBUG   ] Minion "capture99" trying to tune in
[DEBUG   ] Minion PUB socket URI: ipc:///var/run/salt/minion/minion_event_fc1c2f9adb42ac5a303a84683e1ddb6e_pub.ipc
[DEBUG   ] Minion PULL socket URI: ipc:///var/run/salt/minion/minion_event_fc1c2f9adb42ac5a303a84683e1ddb6e_pull.ipc
[INFO    ] User sudo_ubuntu Executing command cmd.run with jid 20130724012326318820
[DEBUG   ] Command details {'tgt_type': 'glob', 'jid': '20130724012326318820', 'tgt': '*', 'ret': '', 'user': 'sudo_ubuntu', 'arg': ['ls /dev/null'], 'fun': 'cmd.run'}
[INFO    ] Executing command 'ls /dev/null' in directory '/home/ubuntu'
[DEBUG   ] output: /dev/null
[INFO    ] Returning information for job: 20130724012326318820
[WARNING ] Stopping the Salt Minion
[WARNING ] Exiting on Ctrl-c




Strace:

ubuntu@capture99:/var/log/salt$ sudo strace -p 5914
Process 5914 attached - interrupt to quit
restart_syscall(<... resuming interrupted call ...>) = 1
poll([{fd=13, events=POLLIN}], 1, 0)    = 1 ([{fd=13, revents=POLLIN}])
read(13, "\1\0\0\0\0\0\0\0", 8)         = 8
poll([{fd=13, events=POLLIN}], 1, 0)    = 0 (Timeout)
write(2, "[INFO    ] User sudo_ubuntu Exec"..., 84) = 84
stat("/var/log/salt/minion", {st_mode=S_IFREG|0644, st_size=43634, ...}) = 0
stat("/var/log/salt/minion", {st_mode=S_IFREG|0644, st_size=43634, ...}) = 0
stat("/etc/localtime", {st_mode=S_IFREG|0644, st_size=118, ...}) = 0
write(3, "2013-07-24 01:23:26,349 [salt.mi"..., 127) = 127
write(2, "[DEBUG   ] Command details {'tgt"..., 168) = 168
stat("/var/log/salt/minion", {st_mode=S_IFREG|0644, st_size=43761, ...}) = 0
stat("/var/log/salt/minion", {st_mode=S_IFREG|0644, st_size=43761, ...}) = 0
stat("/etc/localtime", {st_mode=S_IFREG|0644, st_size=118, ...}) = 0
write(3, "2013-07-24 01:23:26,350 [salt.mi"..., 211) = 211
stat("/usr/lib/python2.7/multiprocessing/forking", 0x7fff69e9f970) = -1 ENOENT (No such file or directory)
open("/usr/lib/python2.7/multiprocessing/forking.so", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/lib/python2.7/multiprocessing/forkingmodule.so", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/lib/python2.7/multiprocessing/forking.py", O_RDONLY) = 15
fstat(15, {st_mode=S_IFREG|0644, st_size=16043, ...}) = 0
open("/usr/lib/python2.7/multiprocessing/forking.pyc", O_RDONLY) = 16
fstat(16, {st_mode=S_IFREG|0644, st_size=14164, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fda44ac9000
read(16, "\3\363\r\n\236\neQc\0\0\0\0\0\0\0\0\6\0\0\0@\0\0\0s\7\3\0\0d\0"..., 4096) = 4096
fstat(16, {st_mode=S_IFREG|0644, st_size=14164, ...}) = 0
read(16, "t\3\0\0\0rest\t\0\0\0remaining(\0\0\0\0(\0\0\0\0"..., 8192) = 8192
read(16, "\0r\315\2|\0\0d\n\0\31}\1\0t\16\0j\f\0j\21\0t\16\0j\f\0j\22\0"..., 4096) = 1876
read(16, "", 4096)                      = 0
close(16)                               = 0
munmap(0x7fda44ac9000, 4096)            = 0
stat("/usr/lib/python2.7/multiprocessing/pickle", 0x7fff69e9c360) = -1 ENOENT (No such file or directory)
open("/usr/lib/python2.7/multiprocessing/pickle.so", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/lib/python2.7/multiprocessing/picklemodule.so", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/lib/python2.7/multiprocessing/pickle.py", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/lib/python2.7/multiprocessing/pickle.pyc", O_RDONLY) = -1 ENOENT (No such file or directory)
stat("/usr/lib/python2.7/multiprocessing/functools", 0x7fff69e9c360) = -1 ENOENT (No such file or directory)
open("/usr/lib/python2.7/multiprocessing/functools.so", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/lib/python2.7/multiprocessing/functoolsmodule.so", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/lib/python2.7/multiprocessing/functools.py", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/lib/python2.7/multiprocessing/functools.pyc", O_RDONLY) = -1 ENOENT (No such file or directory)
stat("/usr/lib/python2.7/multiprocessing/time", 0x7fff69e9c360) = -1 ENOENT (No such file or directory)
open("/usr/lib/python2.7/multiprocessing/time.so", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/lib/python2.7/multiprocessing/timemodule.so", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/lib/python2.7/multiprocessing/time.py", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/lib/python2.7/multiprocessing/time.pyc", O_RDONLY) = -1 ENOENT (No such file or directory)
close(15)                               = 0
clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7fda44ab99d0) = 6012
select(0, NULL, NULL, NULL, {0, 50000}) = 0 (Timeout)
stat("/var/cache/salt/minion/module_refresh", 0x7fff69ea3f60) = -1 ENOENT (No such file or directory)
poll([{fd=10, events=POLLIN}], 1, 0)    = 1 ([{fd=10, revents=POLLIN}])
poll([{fd=10, events=POLLIN}], 1, 0)    = 1 ([{fd=10, revents=POLLIN}])
read(10, "\1\0\0\0\0\0\0\0", 8)         = 8
poll([{fd=10, events=POLLIN}], 1, 0)    = 0 (Timeout)
poll([{fd=10, events=POLLIN}], 1, 1)    = 0 (Timeout)
poll([{fd=10, events=POLLIN}], 1, 0)    = 0 (Timeout)
poll([{fd=13, events=POLLIN}], 1, 0)    = 0 (Timeout)
poll([{fd=13, events=POLLIN}], 1, 0)    = 0 (Timeout)
poll([{fd=13, events=POLLIN}], 1, 60000) = ? ERESTART_RESTARTBLOCK (To be restarted)
--- SIGCHLD (Child exited) @ 0 (0) ---
rt_sigreturn(0xffffffff)                = -1 EINTR (Interrupted system call)
wait4(6012, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], WNOHANG, NULL) = 6012
write(2, "[WARNING ] Stopping the Salt Min"..., 36) = 36
stat("/var/log/salt/minion", {st_mode=S_IFREG|0644, st_size=44289, ...}) = 0
stat("/var/log/salt/minion", {st_mode=S_IFREG|0644, st_size=44289, ...}) = 0
stat("/etc/localtime", {st_mode=S_IFREG|0644, st_size=118, ...}) = 0
write(3, "2013-07-24 01:23:26,441 [salt   "..., 79) = 79
write(2, "[WARNING ] Exiting on Ctrl-c\n", 29) = 29
stat("/var/log/salt/minion", {st_mode=S_IFREG|0644, st_size=44368, ...}) = 0
stat("/var/log/salt/minion", {st_mode=S_IFREG|0644, st_size=44368, ...}) = 0
stat("/etc/localtime", {st_mode=S_IFREG|0644, st_size=118, ...}) = 0
write(3, "2013-07-24 01:23:26,441 [salt   "..., 72) = 72
close(3)                                = 0
rt_sigaction(SIGINT, {SIG_DFL, [], SA_RESTORER, 0x7fda4469dcb0}, {0x5699b0, [], SA_RESTORER, 0x7fda4469dcb0}, 8) = 0
rt_sigaction(SIGCHLD, {SIG_DFL, [], SA_RESTORER, 0x7fda4469dcb0}, {0x5699b0, [], SA_RESTORER, 0x7fda4469dcb0}, 8) = 0
exit_group(0)                           = ?
Process 5914 detached