<div dir="ltr">It might help if you start FS with &quot;-monotonic-clock&quot;. This usually makes the timing more accurate. However, on a VM you can never be sure.<div><br></div><div>Also, if I understand your first post correctly, when this error is shown, it will bring down FS completely? If that&#39;s the case that must be reported to Jira, since this is a bug (a crash is always a bug).</div>
<div><br></div><div>To make sure that timing is ok, always run on real hardware.</div><div><br></div><div>/Peter</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">2013/7/23 Jeff Leung <span dir="ltr">&lt;<a href="mailto:jleung@v10networks.ca" target="_blank">jleung@v10networks.ca</a>&gt;</span><br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div lang="EN-US" link="blue" vlink="purple"><div><p class="MsoNormal"><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d">If you’re going to run FreeSWITCH inside a virtualized Windows Instance, you may as well go with Microsoft’s Hyper-V. Windows Server seems to work better under Hyper-V than Xen or OpenVZ.<br>
<br>You could try assigning the VM a higher CPU weight, (not sure how VMware handles that) to see if that solves the issue.<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d"><u></u> <u></u></span></p>
<div style="border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in 4.0pt"><div><div style="border:none;border-top:solid #b5c4df 1.0pt;padding:3.0pt 0in 0in 0in"><p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> <a href="mailto:freeswitch-users-bounces@lists.freeswitch.org" target="_blank">freeswitch-users-bounces@lists.freeswitch.org</a> [mailto:<a href="mailto:freeswitch-users-bounces@lists.freeswitch.org" target="_blank">freeswitch-users-bounces@lists.freeswitch.org</a>] <b>On Behalf Of </b>Brian Foster<br>
<b>Sent:</b> Monday, July 22, 2013 8:13 PM<br><b>To:</b> FreeSWITCH Users Help<br><b>Subject:</b> Re: [Freeswitch-users] FS core down soon after Forward Clock Skew Detected in windows<u></u><u></u></span></p></div></div><p class="MsoNormal">
<u></u> <u></u></p><p>Try another type of virtual machine. Xen seems to work well, openvz is recommended by the devs. Other than that make sure your resources are allocated properly.<u></u><u></u></p><p>Thank you,<u></u><u></u></p>
<p>Brian Foster<br>Project Manager/Owner&#39;s Rep.<br>Davri Investments, Inc.<br>O: <a href="tel:317-787-2686%20x2102" value="+13177872686" target="_blank">317-787-2686 x2102</a><br>M: <a href="tel:317-600-9753" value="+13176009753" target="_blank">317-600-9753</a><br>
E: <a href="mailto:bdfoster@davri.com" target="_blank">bdfoster@davri.com</a><br>Indianapolis, Indiana<u></u><u></u></p><p>Sent from a mobile device.<u></u><u></u></p><div><p class="MsoNormal">On Jul 22, 2013 10:41 PM, &quot;Vincent Xia&quot; &lt;<a href="mailto:gmangudai@gmail.com" target="_blank">gmangudai@gmail.com</a>&gt; wrote:<u></u><u></u></p>
<div><div><p class="MsoNormal">FS core down soon after Forward Clock Skew Detected in windows<u></u><u></u></p></div><div><p class="MsoNormal"><u></u> <u></u></p></div><div><p class="MsoNormal">[CRIT] switch_time.c:974 Forward Clock Skew Detected!<u></u><u></u></p>
</div><div><p class="MsoNormal"><u></u> <u></u></p></div><div><p class="MsoNormal">os is windows server 2008 R2 64 bit, in VM ware<u></u><u></u></p></div><div><p class="MsoNormal"><u></u> <u></u></p></div><div><p class="MsoNormal">
what can i do to reduce the occurence of clock skew?<u></u><u></u></p></div><div><p class="MsoNormal">increase CPU capability or run FS in a real machine? anything i can do with FS conf xmls?<u></u><u></u></p></div><div><p class="MsoNormal">
<u></u> <u></u></p></div></div><p class="MsoNormal" style="margin-bottom:12.0pt"><br>_________________________________________________________________________<br>Professional FreeSWITCH Consulting Services:<br><a href="mailto:consulting@freeswitch.org" target="_blank">consulting@freeswitch.org</a><br>
<a href="http://www.freeswitchsolutions.com" target="_blank">http://www.freeswitchsolutions.com</a><br><br>FreeSWITCH-powered IP PBX: The CudaTel Communication Server<br><a href="http://www.cudatel.com" target="_blank">http://www.cudatel.com</a><br>
<br>Official FreeSWITCH Sites<br><a href="http://www.freeswitch.org" target="_blank">http://www.freeswitch.org</a><br><a href="http://wiki.freeswitch.org" target="_blank">http://wiki.freeswitch.org</a><br><a href="http://www.cluecon.com" target="_blank">http://www.cluecon.com</a><br>
<br>FreeSWITCH-users mailing list<br><a href="mailto:FreeSWITCH-users@lists.freeswitch.org" target="_blank">FreeSWITCH-users@lists.freeswitch.org</a><br><a href="http://lists.freeswitch.org/mailman/listinfo/freeswitch-users" target="_blank">http://lists.freeswitch.org/mailman/listinfo/freeswitch-users</a><br>
UNSUBSCRIBE:<a href="http://lists.freeswitch.org/mailman/options/freeswitch-users" target="_blank">http://lists.freeswitch.org/mailman/options/freeswitch-users</a><br><a href="http://www.freeswitch.org" target="_blank">http://www.freeswitch.org</a><u></u><u></u></p>
</div></div></div></div><br>_________________________________________________________________________<br>
Professional FreeSWITCH Consulting Services:<br>
<a href="mailto:consulting@freeswitch.org">consulting@freeswitch.org</a><br>
<a href="http://www.freeswitchsolutions.com" target="_blank">http://www.freeswitchsolutions.com</a><br>
<br>
FreeSWITCH-powered IP PBX: The CudaTel Communication Server<br>
<a href="http://www.cudatel.com" target="_blank">http://www.cudatel.com</a><br>
<br>
Official FreeSWITCH Sites<br>
<a href="http://www.freeswitch.org" target="_blank">http://www.freeswitch.org</a><br>
<a href="http://wiki.freeswitch.org" target="_blank">http://wiki.freeswitch.org</a><br>
<a href="http://www.cluecon.com" target="_blank">http://www.cluecon.com</a><br>
<br>
FreeSWITCH-users mailing list<br>
<a href="mailto:FreeSWITCH-users@lists.freeswitch.org">FreeSWITCH-users@lists.freeswitch.org</a><br>
<a href="http://lists.freeswitch.org/mailman/listinfo/freeswitch-users" target="_blank">http://lists.freeswitch.org/mailman/listinfo/freeswitch-users</a><br>
UNSUBSCRIBE:<a href="http://lists.freeswitch.org/mailman/options/freeswitch-users" target="_blank">http://lists.freeswitch.org/mailman/options/freeswitch-users</a><br>
<a href="http://www.freeswitch.org" target="_blank">http://www.freeswitch.org</a><br>
<br></blockquote></div><br></div>