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<body lang=ZH-CN link=blue vlink=purple style='text-justify-trim:punctuation'>
<div class=Section1>
<p class=MsoNormal><span lang=EN-US>I have created three instances using ubuntu’s
official image on my OpenStack controller node.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Two of them have run for more than three weeks.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>The third have run for two weeks.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>In the past weeks I used were normal.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Suddenly, all of them can’t be accessed
by ssh with key.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>And when I ping them, reply “Request
time out”.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>On the dashboard, the status is active, and
the power state is running. <o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>The instance console log is:<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'>cloudinit
startlocal running: Fri, 27 Sep 2013 05:30:33 +0000. up 5.54 seconds<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'>no
instance data found in startlocal<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'>ciinfo:
lo : 1 127.0.0.1
255.0.0.0 .<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'>ciinfo:
eth0 : 1 10.167.35.142 255.255.255.0
fa:16:3e:31:83:9c<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'>ciinfo:
route0: 0.0.0.0
10.167.35.1
0.0.0.0 eth0 UG<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'>ciinfo:
route1: 10.167.35.0
0.0.0.0
255.255.255.0 eth0 U<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'>ciinfo:
route2: 169.254.169.254 10.167.35.141 255.255.255.255
eth0 UGH<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'>cloudinit
start running: Fri, 27 Sep 2013 05:30:34 +0000. up 6.09 seconds<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'>found
data source: DataSourceEc2<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'>20130927
05:30:47,626 __init__.py[WARNING]: Unhandled nonmultipart userdata ''<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'>Skipping
profile in /etc/apparmor.d/disable: usr.sbin.rsyslogd<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'> *
Starting AppArmor profiles [80G [74G[ OK ]<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'>landscapeclient
is not configured, please run landscapeconfig.<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'> *
Stopping System V initialisation compatibility[74G[ OK ]<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'> *
Starting System V runlevel compatibility[74G[ OK ]<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'> *
Starting save kernel messages[74G[ OK ]<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'>acpid:
starting up with proc fs<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'> *
Starting ACPI daemon[74G[ OK ]<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'> *
Starting automatic crash report generation[74G[ OK ]<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'> *
Starting regular background program processing daemon[74G[ OK ]<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'> *
Starting deferred execution scheduler[74G[ OK ]<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'> *
Stopping save kernel messages[74G[ OK ]<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'> *
Starting CPU interrupts balancing daemon[74G[ OK ]<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'>acpid:
1 rule loaded<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'>acpid:
waiting for events: event logging is off<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'> *
Starting MySQL Server[74G[[31mfail[39;49m]<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'> *
Starting crash report submission daemon[74G[ OK ]<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'> *
Starting system logging daemon[74G[ OK ]<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'> *
Starting Handle applying cloudconfig[74G[ OK ]<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'> *
Stopping Handle applying cloudconfig[74G[ OK ]<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'>apache2:
apr_sockaddr_info_get() failed for webserver<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'>apache2:
Could not reliably determine the server's fully qualified domain name, using
127.0.0.1 for ServerName<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'> *
Starting web server apache2 [80G [74G[ OK ]<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'> *
Stopping System V runlevel compatibility[74G[ OK ]<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'> *
Starting execute cloud user/final scripts[74G[ OK ]<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'>cloudinit
boot finished at Fri, 27 Sep 2013 05:30:50 +0000. Up 22.48 seconds<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'>[
3601.676137] INFO: task jbd2/vdc18:1980 blocked for more than 120 seconds.<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'>[
3602.155585] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'>[
3722.759789] INFO: task jbd2/vdc18:1980 blocked for more than 120 seconds.<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'>[
3722.760682] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'>[
3842.760065] INFO: task jbd2/vdc18:1980 blocked for more than 120 seconds.<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'>[
3842.760815] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'>[
3962.760093] INFO: task jbd2/vdc18:1980 blocked for more than 120 seconds.<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'>[
3962.760839] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'>[
4082.760060] INFO: task jbd2/vdc18:1980 blocked for more than 120 seconds.<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'>[
4082.760932] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'>[
4202.760097] INFO: task jbd2/vdc18:1980 blocked for more than 120 seconds.<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'>[
4202.760985] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'>[
4322.760058] INFO: task jbd2/vdc18:1980 blocked for more than 120 seconds.<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'>[
4322.760936] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'>[
4442.760085] INFO: task jbd2/vdc18:1980 blocked for more than 120 seconds.<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'>[
4442.761002] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'>[
4682.760064] INFO: task jbd2/vdc18:1980 blocked for more than 120 seconds.<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'>[
4682.761029] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'>[
5762.760082] INFO: task jbd2/vdc18:1980 blocked for more than 120 seconds.<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'>[
5762.761044] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.<o:p></o:p></span></p>
<p class=MsoNormal align=left style='margin-bottom:6.75pt;text-align:left;
line-height:13.5pt;background:whitesmoke;word-break:break-all'><span
lang=EN-US style='font-size:9.0pt;font-family:"Courier New";color:#333333'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Thanks.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-family:SimSun'>malei<o:p></o:p></span></p>
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