Questions and Answers : Sixtrack : Connecting to LHC freeze entire system
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Profile Michal Krakowiak

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Message 13125 - Posted: 24 Mar 2006, 12:57:09 UTC
Last modified: 24 Mar 2006, 13:02:15 UTC

My config: WinXP Pro SP2 @ P4 3.2GHz(HT disabled), 2GB RAM
Network: 2Gbit over LAN (works fine)
Boinc 5.2.13 (but problem was on previous versions too)

When connecting to LHC server my system stucks. I can't do anything for about 10 seconds, then everything goes fine. I work on this computer, so this is quite annoying.
I don't think it's local problem becouse Einstein, ClimatePrediction and QMC works fluently.

regards - Michal

It's some situation, when two hangs took place:
2006-03-24 13:30:14|LHC@home|Sending scheduler request to http://lhcathome-sched1.cern.ch/scheduler/cgi
2006-03-24 13:30:14|LHC@home|Reason: To fetch work
2006-03-24 13:30:14|LHC@home|Requesting 604800 seconds of new work
2006-03-24 13:30:19|LHC@home|Scheduler request to http://lhcathome-sched1.cern.ch/scheduler/cgi succeeded
2006-03-24 13:30:19|LHC@home|No work from project
2006-03-24 13:34:24|LHC@home|Sending scheduler request to http://lhcathome-sched1.cern.ch/scheduler/cgi
2006-03-24 13:34:24|LHC@home|Reason: To fetch work
2006-03-24 13:34:24|LHC@home|Requesting 604800 seconds of new work
2006-03-24 13:34:39|LHC@home|Scheduler request to http://lhcathome-sched1.cern.ch/scheduler/cgi succeeded
2006-03-24 13:34:39|LHC@home|No work from project

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Gaspode the UnDressed

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Message 13126 - Posted: 24 Mar 2006, 15:52:55 UTC

I've seen WinXP apps stutter a bit sometimes if DNS resolution is a bit slow. If the CERN DNS system is loaded, or access to it is loaded, then this might explain why only LHC has been affected.

It might be worth looking at your DNS set up, or maybe adding a hosts file with the addresses.

Gaspode the UnDressed
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Questions and Answers : Sixtrack : Connecting to LHC freeze entire system


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