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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>I’m running Centos 5 as well and
have the same problem (among others). When I use taskset, the server is stable
and won’t crash, but the idle CPU usage hovers around 75%. Join the game
and players pings are 200+ and it’s unplayable.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>--Chris<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
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<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'> Rick Page
[mailto:mpcacrucesalus@gmail.com] <br>
<b><span style='font-weight:bold'>Sent:</span></b> Monday, January 21, 2008
8:35 AM<br>
<b><span style='font-weight:bold'>To:</span></b> <st1:PersonName w:st="on">ut3@icculus.org</st1:PersonName><br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: [ut3] Negative Delta
Time on Xen VPS</span></font><o:p></o:p></p>
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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='margin-bottom:12.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>I was able to use taskset
-p <process id> to see what its current affinity was set to, and then use
taskset -p 1 <process id> to set it to use processor #0.<br>
<a href="http://linuxcommand.org/man_pages/taskset1.html">http://linuxcommand.org/man_pages/taskset1.html</a><br>
-Rick<o:p></o:p></span></font></p>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>On Jan 21, 2008 9:00 AM, Rene Treffer <<a
href="mailto:treffer@in.tum.de">treffer@in.tum.de</a>> wrote:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Limiting to one cpu can be done with xen (set the cpu count/cpu) or by<br>
using cpuset. Should work with virtually any kernel that has these<br>
options enabled. The default CentOS kernel should come with cpuset<br>
support, I'm not sure about the xen kernel, though. <br>
<br>
Just google for tutorials.<o:p></o:p></span></font></p>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><br>
Rick Page wrote:<br>
> I have read in other similar posts that this can be caused by<br>
> multi-processor or multi-core processor systems. How do you force <br>
> ut3-bin to run off of one processor or one core? The fix at AMD's<br>
> website seems to be a Windows patch, is there a Linux patch hiding out<br>
> there somewhere? I am running CentOS 5.<br>
> -Rick<br>
><br>
> On Jan 20, 2008 10:07 PM, Masher <<a href="mailto:lists@brainless.us">lists@brainless.us</a><o:p></o:p></span></font></p>
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<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>> <mailto:<a href="mailto:lists@brainless.us">lists@brainless.us</a>>>
wrote: <br>
><br>
> I'm not sure if this is the appropriate place to ask about
this.<br>
> I was going to post a bug report, but there wasn't a UT3
category<br>
> in bugzilla.<br>
><br>
><br>
><br>
> I'm getting the following error message:<br>
><br>
><br>
><br>
> ScriptLog: Reset UTTeamGame_0<br>
><br>
> Critical: appError called:<br>
><br>
> Critical: Detected negative delta time - on AMD systems
please <br>
> install<br>
> <a
href="http://www.amd.com/us-en/Processors/TechnicalResources/0,,30_182_871_13118,00.html"
target="_blank">http://www.amd.com/us-en/Processors/TechnicalResources/0,,30_182_871_13118,00.html
</a><br>
><br>
><br>
> Exit: Executing UObject::StaticShutdownAfterError<br>
><br>
> Log: appRequestExit(1)<br>
><br>
><br>
><br>
> I'm running UT3 on a Xen virtual server. It runs quite
well, but <br>
> dies with this message every 2-8 hours.<br>
><br>
><br>
><br>
> It's emulating intel hardware and runs on intel hardware.<o:p></o:p></span></font></p>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>> Provider is <a href="http://linode.com"
target="_blank">linode.com</a> <<a href="http://linode.com" target="_blank">http://linode.com</a>>.<o:p></o:p></span></font></p>
<div>
<p class=MsoNormal style='margin-bottom:12.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>><br>
><br>
><br>
> I get the same error with CentOS 5 and Fedora 8 on a 2.6.18<br>
> kernel. I've tried binding the process to one CPU, and
it helps <br>
> some in the frequency of how often it happens, but still
crashes.<br>
><br>
><br>
><br>
> I'm open to trying anything to make it work.<br>
><br>
><br>
><br>
> Thanks!<br>
><br>
> <br>
<br>
<o:p></o:p></span></font></p>
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