<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">Hi David,<div><br></div><div>Do you have any news on the CPU utilization problem of <a href="http://emanicslab1.ewi.utwente.nl">emanicslab1.ewi.utwente.nl</a>? As of today (or the end of last week) we also have problems with <a href="http://emanicslab2.ewi.utwente.nl">emanicslab2.ewi.utwente.nl</a>; people effectively cannot login anymore. One of the users receives the following error message:</div><div><br></div><div>Last login: Thu Apr 17 09:15:58 2014 from <a href="http://wlan021251.mobiel.utwente.nl">wlan021251.mobiel.utwente.nl</a><br>WARNING - setns(/proc/627/ns/uts)=>-2 (ignored)<br>WARNING - setns(/proc/627/ns/ipc)=>-2 (ignored)<br>WARNING - setns(/proc/627/ns/net)=>-2 (ignored)<br>WARNING - setns(/proc/627/ns/mnt)=>-2 (ignored)<br>Traceback (most recent call last):<br> File "/usr/sbin/lxcsu-internal", line 273, in <module><br> main()<br> File "/usr/sbin/lxcsu-internal", line 220, in main<br> if (not umount(fs_path,'-l')):<br> File "/usr/sbin/lxcsu-internal", line 42, in umount<br> output = os.popen('/bin/umount %s %s 2>&1'%(opts, fs_dir)).read()<br>OSError: [Errno 12] Cannot allocate memory<br>Connection to <a href="http://emanicslab2.ewi.utwente.nl">emanicslab2.ewi.utwente.nl</a> closed.</div><div><br></div><div>Best regards,</div><div><br><div>
--<br>Rick
</div>
<br><div><div>On 09 Apr 2014, at 13:26, David Hausheer <<a href="mailto:hausheer@ps.tu-darmstadt.de">hausheer@ps.tu-darmstadt.de</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">Dear Andri,<br><br>Thanks for the note. I am aware of the CPU utilization problem, which seems to originate from systemd. I am looking into that and I hope to be able to solve it as soon as possible.<br><br>Best regards<br>David<br><br>On 09.04.2014 09:42, Andri Lareida wrote:<br><blockquote type="cite">Dear David,<br><br>There seems to be a problem with the first node in Twente:<br><a href="http://emanicslab1.ewi.utwente.nl">emanicslab1.ewi.utwente.nl</a><br>After the upgrade I was not able to copy files with SCP to the node, I<br>was able to log in though. Guilherme re-created my slice and now I can<br>not log in anymore. Guilherme also reported that there is a very high<br>CPU load on the machine and he can see processes from all users.<br>Something seems to be wrong with the set up.<br>Thanks for investigating.<br><br>Cheers<br>Andri<br><br>On 04/08/2014 01:50 AM, David Hausheer wrote:<br><blockquote type="cite">Dear all,<br><br>here is another status update of migration of EmanicsLab nodes:<br><br>UZH - both nodes running and up-to-date<br>TUD - both nodes running and up-to-date<br>PSNC - both nodes running and up-to-date<br>UCL - both nodes running and up-to-date<br>IBBT - both nodes running and up-to-date<br>INRIA - both nodes running and up-to-date<br>UPC - both nodes running and up-to-date<br>UniGE - both nodes running and up-to-date<br>UT - both nodes running and up-to-date<br>JUB - both nodes running and up-to-date<br>UniBW - both nodes running and up-to-date<br><br>We still need to install Ganglia on the nodes.<br><br>Also, we are currently facing a problem with CPU utilization (some of<br>the nodes run at 100% CPU). We hope to be able to fix it soon.<br><br>Best regards<br>David<br><br></blockquote><br><br><br>_______________________________________________<br>emanicslab mailing list<br>emanicslab@lists.ifi.uzh.ch<br>https://lists.ifi.uzh.ch/listinfo/emanicslab<br><br></blockquote><br>-- <br>Prof. Dr. David Hausheer<br><br>Technische Universitaet Darmstadt<br>Dept. of Electrical Engineering & Information Technology<br><br>Rundeturmstr. 10, Building S3/20, Room 225<br>64283 Darmstadt, Germany<br>Phone: +49 6151 16 4280<br>Fax: +49 6151 16 6152<br>E-Mail: <a href="mailto:hausheer@ps.tu-darmstadt.de">hausheer@ps.tu-darmstadt.de</a><br>Web: <a href="http://www.ps.tu-darmstadt.de/">http://www.ps.tu-darmstadt.de/</a><br>_______________________________________________<br>emanicslab mailing list<br><a href="mailto:emanicslab@lists.ifi.uzh.ch">emanicslab@lists.ifi.uzh.ch</a><br>https://lists.ifi.uzh.ch/listinfo/emanicslab<br></blockquote></div><br></div></body></html>