<div dir="ltr">Leave it to RFC's to demand you use a 32 bit unsigned number and then require it to be less than 2^31 (signed value) and waste a few billion values.</div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Sep 8, 2014 at 2:49 PM, Michael Jerris <span dir="ltr"><<a href="mailto:mike@jerris.com" target="_blank">mike@jerris.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word">actually that is the 31 bit max, not the 32 bit... but thats a different story. There is now a patch in tree that fixes this issue.<div><div class="h5"><div><br><div><div>On Sep 8, 2014, at 3:21 PM, Spencer Thomason <<a href="mailto:spencer@5ninesolutions.com" target="_blank">spencer@5ninesolutions.com</a>> wrote:</div><br><blockquote type="cite"><div style="word-wrap:break-word">Yes, you are correct, all devices freaked out until they we rebooted. The issue appears to be that the Cseq exceeded 32bit max. Before this change I was seeing Cseq values as <a href="tel:2147483647" value="+12147483647" target="_blank">2147483647</a> which is 32bit max. As soon as the dust clears I’ll file a jira. I don’t really know what a good upgrade path might be but it seems the calculation method has to change.<div><br></div><div>I guess we do have to limit the value to 32bits:</div><div>8.1.1.5 CSeq<div><br></div><div> The CSeq header field serves as a way to identify and order</div><div> transactions. It consists of a sequence number and a method. The</div><div> method MUST match that of the request. For non-REGISTER requests</div><div> outside of a dialog, the sequence number value is arbitrary. The</div><div> sequence number value MUST be expressible as a 32-bit unsigned</div><div> integer and MUST be less than 2**31. As long as it follows the above</div><div> guidelines, a client may use any mechanism it would like to select</div><div> CSeq header field values.</div></div><div><br></div><div>Thanks,</div><div>Spencer</div><div><br></div><div><br><div>
<br><div><div>On Sep 8, 2014, at 9:31 AM, Michael Jerris <<a href="mailto:mike@jerris.com" target="_blank">mike@jerris.com</a>> wrote:</div><br><blockquote type="cite"><div style="word-wrap:break-word">changing this on a busy switch will almost for sure make presence not work correctly.<div><br><div><div>On Sep 8, 2014, at 12:07 PM, Spencer Thomason <<a href="mailto:spencer@5ninesolutions.com" target="_blank">spencer@5ninesolutions.com</a>> wrote:</div><br><blockquote type="cite"><div style="word-wrap:break-word">Hi Mike,<div>I know this is an insanely dirty hack but can I change the following line in sofia_presence.c to a smaller multiple?</div><div>2115<span style="white-space:pre-wrap"> </span>callsequence = (now - mod_sofia_globals.presence_epoch) * 100;</div><div>i.e.:</div><div>callsequence = (now - mod_sofia_globals.presence_epoch) * 10;</div><div><br></div><div>Thanks in advance!</div><div>Spencer</div><div><br></div><div><br><div>
<br><div><div>On Sep 8, 2014, at 8:29 AM, Yehavi Bourvine <<a href="mailto:yehavi.bourvine@gmail.com" target="_blank">yehavi.bourvine@gmail.com</a>> wrote:</div><br><blockquote type="cite"><div dir="rtl"><div dir="ltr">I tried locating how the Caeq is generated. Didn't manage yet to get all the details, but the initial value is dependant on the current time. Seems like we have Bug-2k on Polycom :-(</div><div dir="ltr"><br></div><div dir="ltr"> __Yehavi:</div></div><div class="gmail_extra"><br><br><div class="gmail_quote"><div dir="ltr">2014-09-08 17:41 GMT+03:00 Spencer Thomason <span dir="ltr"><<a href="mailto:spencer@5ninesolutions.com" target="_blank">spencer@5ninesolutions.com</a>></span>:</div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">I just ran into the same issue across several different sites. Thanks Polycom for the exciting Monday morning. I’ll try to collect some traces once the fires die down.<br>
<br>
BR,<br>
Spencer<br>
<div><div><br>
<br>
<br>
On Sep 8, 2014, at 6:48 AM, Michael Jerris <<a href="mailto:mike@jerris.com" target="_blank">mike@jerris.com</a>> wrote:<br>
<br>
> cseq for notify and invite have nothing at all to do with each other. A sip trace would probably help what is going on make more sense.<br>
><br>
> On Sep 7, 2014, at 11:14 AM, Yehavi Bourvine <<a href="mailto:yehavi.bourvine@gmail.com" target="_blank">yehavi.bourvine@gmail.com</a>> wrote:<br>
><br>
>> Hi,<br>
>><br>
>> My Polycom phones stopped showing presence today. They reply with "loop detected" after they receive the NOTIFY message. In their Syslog they complain that Cseq is outside boundaries...<br>
>> The Cseq for INVITE is much smaller.<br>
>><br>
>> How can I reset the Cseq to lower values?<br>
>><br>
>> Thanks! __Yehavi:<br>
><br>
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