Message boards : Number crunching : LHC@home: Not accepting requests from this host
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Rabinovitch
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Message 35547 - Posted: 18 Jun 2018, 6:59:56 UTC

Hi all! I see this when I try to get some new tasks of LHC@home:

Пн 18 июн 2018 13:49:28 | LHC@home | Resetting project
Пн 18 июн 2018 13:49:29 | LHC@home | work fetch resumed by user
Пн 18 июн 2018 13:49:32 | LHC@home | Master file download succeeded
Пн 18 июн 2018 13:49:37 | LHC@home | Sending scheduler request: To fetch work.
Пн 18 июн 2018 13:49:37 | LHC@home | Requesting new tasks for CPU
Пн 18 июн 2018 13:49:38 | LHC@home | Scheduler request completed: got 0 new tasks
Пн 18 июн 2018 13:49:38 | LHC@home | Not accepting requests from this host


What's wrong? It seems to be this host:
https://lhcathome.cern.ch/lhcathome/show_host_detail.php?hostid=10453587

GPUGRID's tasks are being processed OK.
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Message 35548 - Posted: 18 Jun 2018, 7:40:41 UTC - in response to Message 35547.  

That pc says its Last contact with the server here was 29 Mar 2017

Are you using the current URL?

You may just have to go to the Boinc Manager and remove the LHC project and then go to the Tools/add project and use https://lhcathome.cern.ch/lhcathome/
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Message 35549 - Posted: 18 Jun 2018, 13:22:24 UTC - in response to Message 35548.  
Last modified: 18 Jun 2018, 13:25:16 UTC

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Message 35551 - Posted: 18 Jun 2018, 17:29:04 UTC
Last modified: 18 Jun 2018, 17:45:47 UTC

You have Boinc 7.6.31.
Please upgrade to 7.10.2.
Sorry, its a Linux. Boinc 7.2.42 or your Version is useful.
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Message 35554 - Posted: 18 Jun 2018, 19:07:38 UTC

I am using BOINC 7.8.3 on my Llinux boxes.
Tullio
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Rabinovitch
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Message 35557 - Posted: 19 Jun 2018, 3:15:43 UTC - in response to Message 35551.  

You have Boinc 7.6.31.
Please upgrade to 7.10.2.
Sorry, its a Linux. Boinc 7.2.42 or your Version is useful.


There's 7.10.2 already.


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Message 35559 - Posted: 19 Jun 2018, 5:54:41 UTC
Last modified: 19 Jun 2018, 5:58:01 UTC

You had Sixtrack-tasks running in the past with this Computer.
Sixtrack have at the Moment no Tasks avalaible.
https://lhcathome.cern.ch/lhcathome/server_status.php
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computezrmle
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Message 35563 - Posted: 19 Jun 2018, 7:29:09 UTC

@ Rabinovitch
Your host seems to be banned since Mar 2017.
This can only be checked/solved by a project admin.


As a workaround you could request a fresh hostid from the server.
You may try the following steps:
1. Detach from the project
2. Edit/create your cc_config.xml. Change the value for <ncpus>x</ncpus>. Use an x that is different from the current value.
3. Reload config files
4. Check the client messages to see if the changes have been accepted
5. Reattach to the project
6. Check the client messages to see if your host got a fresh hostid
7.-9. Same as 2.-4. but with the original x.
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Message 35564 - Posted: 19 Jun 2018, 8:10:46 UTC - in response to Message 35563.  

How to talk to admin? I'm a bit lasy to perform all these tricks... ))
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Message 35565 - Posted: 19 Jun 2018, 8:48:50 UTC

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Message 35577 - Posted: 19 Jun 2018, 19:18:55 UTC

You have 77 tasks failed, how much/many did you perform sucessfull ?


Supporting BOINC, a great concept !
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Message 35580 - Posted: 20 Jun 2018, 3:56:44 UTC - in response to Message 35577.  

Can't say, since the project refuses to send any new tasks. I have installed cvmfs and Singularity on that host, I would like to try to help crunching ATLAS tasks.
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Message 35582 - Posted: 20 Jun 2018, 5:23:32 UTC - in response to Message 35580.  

Therefore you need to activate Test-Application in Preferences also as Atlas too?
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Message 35594 - Posted: 21 Jun 2018, 2:04:15 UTC - in response to Message 35582.  

Believe me, everything is selected in my preferences (all applications of the project and also test applications). I have 2 hosts under same account. One is receiving and processing tasks, another get the error.
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Message 35596 - Posted: 21 Jun 2018, 5:51:26 UTC - in response to Message 35594.  

Rabinovitch wrote:
What's wrong? It seems to be this host:
https://lhcathome.cern.ch/lhcathome/show_host_detail.php?hostid=10453587

You mentioned hostid=10453587 in your first post, which is inactive for more than a year.
Do you plan to reactivate it?


Your active hosts are:
https://lhcathome.cern.ch/lhcathome/show_host_detail.php?hostid=10449491
https://lhcathome.cern.ch/lhcathome/show_host_detail.php?hostid=10418662

hostid=10449491
This one is working fine.

hostid=10418662
This one ran only SixTrack in the past, but SixTrack is currently out of work.
VBox WUs will not run as the CPU doesn't provide VT-x.
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Message 35609 - Posted: 22 Jun 2018, 3:13:45 UTC - in response to Message 35596.  

I said "seems to be". The Computer ID displayed in BOINC client in the project's properties is 10453783. And it has a lot of successfully completed tasks as we see. Then something just went wrong...

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Message 35610 - Posted: 22 Jun 2018, 5:41:33 UTC - in response to Message 35609.  

https://lhcathome.cern.ch/lhcathome/show_host_detail.php?hostid=10453783
Answer from the DB:
"No such computer"


Detach from the project to clean your local environment.
Then Reattach.
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Message 35611 - Posted: 22 Jun 2018, 6:47:14 UTC - in response to Message 35610.  
Last modified: 22 Jun 2018, 6:50:02 UTC

Yep, I have deleted all my anscient hosts from project's DB (there were all my PCs since 2007). Now the computer with ID 10550820 got it's bunch of tasks!
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Message boards : Number crunching : LHC@home: Not accepting requests from this host


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