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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#1F497D'>Hi<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#1F497D'>Do you mean that looping email would be the source of the problem?<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Tahoma","sans-serif";color:#1F497D'>I haven’t seen any looped email in our system. Also I have defined all email address in $RTAddressRegexp. So I think it would prevent loop. Isn’t it?<o:p></o:p></span></p><p class=MsoNormal><a name="_MailEndCompose"><span style='font-family:"Tahoma","sans-serif";color:#1F497D'><o:p> </o:p></span></a></p><div style='border:none;border-right: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:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Mathieu Longtin [mailto:mathieu@closetwork.org] <br><b>Sent:</b> Sunday, March 20, 2011 4:02 PM<br><b>To:</b> Payam Poursaied<br><b>Cc:</b> rt-users@lists.bestpractical.com<br><b>Subject:</b> Re: [rt-users] apache 100% cpu usage<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='margin-bottom:12.0pt'>I found out a while ago that looping emails would cause RT to go crazy like that.<br><br>I disabled $LoopsToRTOwner and the problem disappeared. I didn't have time to debug the issue further...<br><br clear=all>--<br>Mathieu Longtin<br>1-514-803-8977<br><br><o:p></o:p></p><div><p class=MsoNormal>On Sun, Mar 20, 2011 at 4:19 AM, Payam Poursaied <<a href="mailto:me@payam124.com">me@payam124.com</a>> wrote:<o:p></o:p></p><p class=MsoNormal style='margin-bottom:12.0pt'><br>Hi all<br>We are using rt3.8.8 and we faced with a problem using apache 1.3.42 on FreeBSD 8.0-RELEASE.<br>The problem is that httpd processes frequently reach 100% CPU usage and stay<br>at this level of CPU usage.<br>This is a sample of top output.<br><br> PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU COMMAND<br>77051 www 1 118 0 208M 86080K CPU4 4 87.6H 100.00% httpd<br> 9403 www 1 118 0 215M 93340K CPU2 2 65.0H 100.00% httpd<br>78430 www 1 118 0 226M 100M CPU0 0 58:57 100.00% httpd<br><br>I think there might be a bug that caused something like endless loop but I<br>am newbie to gdb and debugging and I could not find any relevant point to<br>get into it.<br>I tried to compile apache in debug mode and then wait to see a suspicious<br>process and then attached GDB66 to that cpu intensive httpd process to find<br>out what is going on.<br>But I could not go further more.<br><br>I have also consulted with apache-freebsd mailing list but there wasn't any success.<br><br>Could anyone help me to drill down this problem?<br><br>Best Regards<br>Payam Poursaied<br><br>Using "next" says:<br>(gdb) next<br>Cannot find bounds of current function<br>And here below is output of "where" command in gdb66.<br>(gdb) where<br>#0 0x000000080093a73b in ?? () from /lib/libc.so.7<br>#1 0x000000080093d505 in ?? () from /lib/libc.so.7<br>#2 0x00000008009401bc in ?? () from /lib/libc.so.7<br>#3 0x0000000800942ec4 in malloc () from /lib/libc.so.7<br>#4 0x0000000803079946 in Perl_safesysmalloc () from /usr/local/lib/perl5/5.10.1/mach/CORE/libperl.so<br><br><o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p></div></div></body></html>