<font size=2 face="sans-serif">Thanks Russell and Dan, the following are
the output that you need.</font>
<br>
<br><font size=2 face="sans-serif">[root@db03b04 ~]# cat 5174.txt </font>
<br><font size=2 face="sans-serif">restart_syscall(<... resuming interrupted
call ...>) = 0</font>
<br><font size=2 face="sans-serif">kill(5173, SIG_0)
= 0</font>
<br><font size=2 face="sans-serif">kill(6099, SIG_0)
= 0</font>
<br><font size=2 face="sans-serif">rt_sigprocmask(SIG_BLOCK, [CHLD], [],
8) = 0</font>
<br><font size=2 face="sans-serif">rt_sigaction(SIGCHLD, NULL, {SIG_DFL,
[], SA_RESTORER, 0x7f9827095500}, 8) = 0</font>
<br><font size=2 face="sans-serif">rt_sigprocmask(SIG_SETMASK, [], NULL,
8) = 0</font>
<br><font size=2 face="sans-serif">nanosleep({2, 0}, 0x7f97ebffcb80)
= 0</font>
<br><font size=2 face="sans-serif">kill(5173, SIG_0)
= 0</font>
<br><font size=2 face="sans-serif">kill(6099, SIG_0)
= 0</font>
<br><font size=2 face="sans-serif">rt_sigprocmask(SIG_BLOCK, [CHLD], [],
8) = 0</font>
<br><font size=2 face="sans-serif">rt_sigaction(SIGCHLD, NULL, {SIG_DFL,
[], SA_RESTORER, 0x7f9827095500}, 8) = 0</font>
<br><font size=2 face="sans-serif">rt_sigprocmask(SIG_SETMASK, [], NULL,
8) = 0</font>
<br><font size=2 face="sans-serif">nanosleep({2, 0}, 0x7f97ebffcb80)
= 0</font>
<br><font size=2 face="sans-serif">kill(5173, SIG_0)
= 0</font>
<br><font size=2 face="sans-serif">kill(6099, SIG_0)
= 0</font>
<br><font size=2 face="sans-serif">rt_sigprocmask(SIG_BLOCK, [CHLD], [],
8) = 0</font>
<br><font size=2 face="sans-serif">rt_sigaction(SIGCHLD, NULL, {SIG_DFL,
[], SA_RESTORER, 0x7f9827095500}, 8) = 0</font>
<br><font size=2 face="sans-serif">rt_sigprocmask(SIG_SETMASK, [], NULL,
8) = 0</font>
<br><font size=2 face="sans-serif">nanosleep({2, 0}, 0x7f97ebffcb80)
= 0</font>
<br><font size=2 face="sans-serif">kill(5173, SIG_0)
= 0</font>
<br><font size=2 face="sans-serif">kill(6099, SIG_0)
= 0</font>
<br><font size=2 face="sans-serif">rt_sigprocmask(SIG_BLOCK, [CHLD], [],
8) = 0</font>
<br><font size=2 face="sans-serif">rt_sigaction(SIGCHLD, NULL, {SIG_DFL,
[], SA_RESTORER, 0x7f9827095500}, 8) = 0</font>
<br><font size=2 face="sans-serif">rt_sigprocmask(SIG_SETMASK, [], NULL,
8) = 0</font>
<br><font size=2 face="sans-serif">nanosleep({2, 0}, 0x7f97ebffcb80)
= 0</font>
<br><font size=2 face="sans-serif">kill(5173, SIG_0)
= 0</font>
<br><font size=2 face="sans-serif">kill(6099, SIG_0)
= 0</font>
<br><font size=2 face="sans-serif">rt_sigprocmask(SIG_BLOCK, [CHLD], [],
8) = 0</font>
<br>
<br><font size=2 face="sans-serif">[root@db03b04 ~]# ls -l /proc/5174/exe</font>
<br><font size=2 face="sans-serif">lrwxrwxrwx 1 nova nova 0 Dec 19 01:27
/proc/5174/exe -> /usr/bin/python</font>
<br>
<br><font size=2 face="sans-serif">Thanks,</font>
<br>
<br><font size=2 face="sans-serif">Guangya</font>
<br>
<br>
<br>
<br>
<table width=100%>
<tr valign=top>
<td><font size=1 color=#5f5f5f face="sans-serif">From:</font>
<td><font size=1 face="sans-serif">Dan Smith <dansmith@redhat.com></font>
<tr valign=top>
<td><font size=1 color=#5f5f5f face="sans-serif">To:</font>
<td><font size=1 face="sans-serif">Russell Bryant <rbryant@redhat.com>,
Perry Myers <pmyers@redhat.com>, Guang Ya GY Liu/China/IBM@IBMCN,
rdo-list <rdo-list@redhat.com></font>
<tr valign=top>
<td><font size=1 color=#5f5f5f face="sans-serif">Date:</font>
<td><font size=1 face="sans-serif">2013/12/20 02:46</font>
<tr valign=top>
<td><font size=1 color=#5f5f5f face="sans-serif">Subject:</font>
<td><font size=1 face="sans-serif">Re: [rhos-list] RDO problem</font></table>
<br>
<hr noshade>
<br>
<br>
<br><tt><font size=2>> nova-compute spawns child processes, but not
to run multiple instances<br>
> of nova-compute itself.<br>
> <br>
> Perhaps it's just something inaccurate with the process list where
the<br>
> command part didn't get updated... not sure. In this case 6099
is the<br>
> normal parent nova-compute. The others are suspect.<br>
> <br>
> Can you grab an strace log from them? Something like ...<br>
> <br>
> # strace -p 5174 -o 5174.txt<br>
<br>
Also do this, which might be more obvious if it's what we think it is:<br>
<br>
ls -l /proc/5174/exe<br>
<br>
--Dan<br>
<br>
</font></tt>
<br>
<br>