Launching daemons (phd) locks server (high load) or start is failing.
**Output:**
```
xyz@server:/var/www/phabricator/phabricator/bin# ./phd status
There are no running Phabricator daemons.
xyz@server:/var/www/phabricator/phabricator/bin# ./phd start
Freeing active task leases...
Freed 0 task lease(s).
Preparing to launch daemons.
NOTE: Logs will appear in '/var/tmp/phd/log/daemons.log'.
Launching daemon "PhabricatorRepositoryPullLocalDaemon".
Launching daemon "PhabricatorGarbageCollectorDaemon".
Launching daemon "PhabricatorTaskmasterDaemon".
[2014-12-11 18:34:17] EXCEPTION: (CommandException) Command failed with error #255!
COMMAND
exec ./phd-daemon 'PhabricatorTaskmasterDaemon' --daemonize --log='/var/tmp/phd/log/daemons.log' --phd='/var/tmp/phd/pid'
STDOUT
(empty)
STDERR
(empty) at [<phutil>/src/future/exec/ExecFuture.php:397]
#0 ExecFuture::resolvex() called at [<phabricator>/src/applications/daemon/management/PhabricatorDaemonManagementWorkflow.php:193]
#1 PhabricatorDaemonManagementWorkflow::launchDaemon(string, array, boolean) called at [<phabricator>/src/applications/daemon/management/PhabricatorDaemonManagementWorkflow.php:282]
#2 PhabricatorDaemonManagementWorkflow::executeStartCommand(boolean) called at [<phabricator>/src/applications/daemon/management/PhabricatorDaemonManagementStartWorkflow.php:26]
#3 PhabricatorDaemonManagementStartWorkflow::execute(PhutilArgumentParser) called at [<phutil>/src/parser/argument/PhutilArgumentParser.php:394]
#4 PhutilArgumentParser::parseWorkflowsFull(array) called at [<phutil>/src/parser/argument/PhutilArgumentParser.php:290]
#5 PhutilArgumentParser::parseWorkflows(array) called at [<phabricator>/scripts/daemon/manage_daemons.php:23]
....
```
**LOG:**
```
[11-Dec-2014 18:32:22 UTC] Bringing daemon 'PhabricatorRepositoryPullLocalDaemon' online...
[11-Dec-2014 18:32:25 UTC] Bringing daemon 'PhabricatorGarbageCollectorDaemon' online...
[11-Dec-2014 18:33:18 UTC] Bringing daemon 'PhabricatorTaskmasterDaemon' online...
[11-Dec-2014 18:33:22 UTC] [2014-12-11 18:33:21] ERROR 2: pcntl_fork(): Error 12 at [/var/www/phabricator/libphutil/src/daemon/PhutilDaemonOverseer.php:142]
[11-Dec-2014 18:33:31 UTC] #0 pcntl_fork() called at [<phutil>/src/daemon/PhutilDaemonOverseer.php:142]
[11-Dec-2014 18:33:33 UTC] #1 PhutilDaemonOverseer::__construct(array) called at [<phabricator>/scripts/daemon/launch_daemon.php:26]
[11-Dec-2014 18:33:34 UTC] [2014-12-11 18:33:34] EXCEPTION: (Exception) Unable to fork! at [<phutil>/src/daemon/PhutilDaemonOverseer.php:144]
[11-Dec-2014 18:33:34 UTC] #0 PhutilDaemonOverseer::__construct(array) called at [<phabricator>/scripts/daemon/launch_daemon.php:26]
```
**DEBUG:**
launching daemon via **phd debug** do not cause a massive load
```
./phd debug PhabricatorTaskmasterDaemon
```