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Thread 'Connection and Download issues Oct24'

Thread 'Connection and Download issues Oct24'

Message boards : Number crunching : Connection and Download issues Oct24
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Richard Haselgrove

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Message 71764 - Posted: 31 Oct 2024, 19:06:16 UTC - in response to Message 71761.  

I've asked Andy about this and he says this will settle down once the DNS changes made today to fix the problem take effect and trickle down to hosts.
I'm not sure I'm convinced that a DNS re-configuration would resolve an SSL certificate domain-name mismatch, but we can only wait and see.
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Glenn Carver

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Message 71765 - Posted: 31 Oct 2024, 19:51:47 UTC - in response to Message 71764.  
Last modified: 31 Oct 2024, 19:52:09 UTC

I've asked Andy about this and he says this will settle down once the DNS changes made today to fix the problem take effect and trickle down to hosts.
I'm not sure I'm convinced that a DNS re-configuration would resolve an SSL certificate domain-name mismatch, but we can only wait and see.
Maybe not but let's wait and see. I'd hate for people to spend time looking into this if Andy believes it's just a case of reverting back to the DNS entries we had last week.
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ProfileDave Jackson
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Message 71767 - Posted: 31 Oct 2024, 21:58:19 UTC - in response to Message 71765.  

I notice that the number of tasks ready to send has been stuck for at least 2 refreshes of the page by the time of last update and the dropping of no of users in last 24 hours suggests no reporting of tasks is happening.
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Harri Liljeroos

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Message 71768 - Posted: 31 Oct 2024, 22:14:57 UTC

My trickles were working until about the noon but no success since then. The error I get is same as Richard has reported. A new trickle is produced about every 4 hours.
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ProfileDave Jackson
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Message 71773 - Posted: 1 Nov 2024, 5:51:11 UTC - in response to Message 71767.  

I notice that the number of tasks ready to send has been stuck for at least 2 refreshes of the page by the time of last update and the dropping of no of users in last 24 hours suggests no reporting of tasks is happening.


Looking at server status page this morning confirms this.
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Richard Haselgrove

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Message 71775 - Posted: 1 Nov 2024, 8:07:19 UTC - in response to Message 71767.  

I notice that the number of tasks ready to send has been stuck for at least 2 refreshes of the page by the time of last update and the dropping of no of users in last 24 hours suggests no reporting of tasks is happening.
Everything to do with tasks has to go through the scheduler - fetching new work, reporting trickles, reporting completed tasks.

So when the scheduler is inaccessible, everything stops.
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Glenn Carver

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Message 71776 - Posted: 1 Nov 2024, 9:13:56 UTC - in response to Message 71775.  
Last modified: 1 Nov 2024, 9:14:59 UTC

Yes, I noticed. The problem is with the SSL certificate for www.cpdn.org which boinc needs, cpdn.org works ok for the website.

I emailed Andy first thing this morning and asked if he could look into urgently.

ps. Dave, the number of tasks IS changing on the server status, but it's going up not down.
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Richard Haselgrove

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Message 71778 - Posted: 1 Nov 2024, 10:04:05 UTC - in response to Message 71776.  

Yes, I noticed. The problem is with the SSL certificate for www.cpdn.org which boinc needs, cpdn.org works ok for the website.
To be exact, we have two separate urls for the same server/filing system - the whole operational shooting match. They are:

www.cpdn.org
main.cpdn.org

As I type, both urls point to the same ip address (129.67.193.106) - that's DNS doing its thing.

But main.cpdn.org is protected by an SSL certificate, www.cpdn.org isn't. If you use a browser to bypass the certificate check, you can see exactly the same data - but BOINC doesn't bypass the check.

Provided the 'one server' identity was intentional (we haven't had that confirmed by Oxford), then an alt name on the certificate should resolve all the problems (including data collection by the external stats sites - the data dumps are up-to-date as of 17:50 on 31 October).
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ProfileDave Jackson
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Message 71780 - Posted: 1 Nov 2024, 10:31:34 UTC

ps. Dave, the number of tasks IS changing on the server status, but it's going up not down.
I should have written down the number before going to bed! That would be failed tasks being reissued.

I notice my zips and trickles both seem to be going through without issue at the moment albeit, I only have one task running.
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Message 71781 - Posted: 1 Nov 2024, 10:36:28 UTC - in response to Message 71780.  

I notice my zips and trickles both seem to be going through without issue at the moment albeit, I only have one task running.

Zips yes, trickles no.
You have a Contact time for today for your host in your account page ?
Last contact I had from any host was yesterday lunchtime.
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Message 71782 - Posted: 1 Nov 2024, 10:42:35 UTC - in response to Message 71778.  

But main.cpdn.org is protected by an SSL certificate, www.cpdn.org isn't. If you use a browser to bypass the certificate check, you can see exactly the same data - but BOINC doesn't bypass the check.

If you use "cpdn.org" without www or main it will default to using www ?
Stats sites will probably be using "cpdn.org" and getting www.cpdn.org which fails and so no stats can be grabbed.
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Glenn Carver

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Message 71783 - Posted: 1 Nov 2024, 11:16:51 UTC - in response to Message 71778.  
Last modified: 1 Nov 2024, 11:18:17 UTC

Yes, I know. It needs a SAN certificate. I'm guessing Andy has to go through IT services at the Uni to get it sorted. Am waiting on a reply.

zips go to a different url and aren't affected.
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ProfileDave Jackson
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Message 71784 - Posted: 1 Nov 2024, 11:24:04 UTC

Zips yes, trickles no.
You have a Contact time for today for your host in your account page ?
Last contact I had from any host was yesterday lunchtime.


01 Nov 2024 08:32:28 1552038 22521599 wah2_nz25_10hr_209105_25_1028_012344566_0 57,899 62,420 1.0781

Credit is consistent with the number of trickle up messages the task page says have been sent too.
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Message 71785 - Posted: 1 Nov 2024, 11:29:50 UTC - in response to Message 71784.  

Interesting, my 8.0.2 on Win 8.1 can't connect at all but your 8.0.4 on Win 11 can.
Wonder where the subdomain ignorance is located.
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ProfileDave Jackson
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Message 71786 - Posted: 1 Nov 2024, 11:44:51 UTC
Last modified: 1 Nov 2024, 11:59:30 UTC

Interesting, my 8.0.2 on Win 8.1 can't connect at all but your 8.0.4 on Win 11 can.
Wonder where the subdomain ignorance is located.
It isn't really Win 11 but WINE on a Linux box pretending to be Win11. A further six tasks have just downloaded and started.

Same BOINC version in Windows10 in a VM isn't able to get any work.
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Richard Haselgrove

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Message 71787 - Posted: 1 Nov 2024, 12:21:02 UTC - in response to Message 71782.  
Last modified: 1 Nov 2024, 12:26:36 UTC

If you use "cpdn.org" without www or main it will default to using www ?
cpdn.org has its own DNS entry - that points to 162.159.140.127, which holds a copy of the main publicity page of climateprediction.net

Edit - climateprediction.net also points to 162.159.140.127, so it's an alias rather than a copy.
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Message 71788 - Posted: 1 Nov 2024, 12:26:43 UTC - in response to Message 71787.  

But typing cpdn.org into a browser takes me to https://www.cpdn.org/ and the warning...

Firefox detected a potential security threat and did not continue to www.cpdn.org. If you visit this site, attackers could try to steal information like your passwords, emails, or credit card details.

It doesn't take me to climateprediction.net of any variety.
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Richard Haselgrove

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Message 71789 - Posted: 1 Nov 2024, 12:29:21 UTC - in response to Message 71788.  

That must be a quirk of Firefox. Chrome gives me exactly the url I asked for.
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Message 71790 - Posted: 1 Nov 2024, 12:36:53 UTC - in response to Message 71789.  

Firefox on Ubuntu takes me to cpdn.org and displays the climateprediction stuff !
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ProfileDave Jackson
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Message 71791 - Posted: 1 Nov 2024, 12:48:31 UTC - in response to Message 71790.  
Last modified: 1 Nov 2024, 14:32:14 UTC

Firefox on Ubuntu takes me to cpdn.org and displays the climateprediction stuff !
On my Ubuntu box if I type in cpdn.org, it takes me to www.cpdn.org and the page says welcome Dave and how much I have contributed to the project but only once I have accepted the risk and continued. On Chromium, it takes me to cpdn.org and the page Richard refers to.

I wonder if the difference in how the two browsers interpret cpdn.org is somehow mirrored in the difference between how my BOINC instances in WINE and in a VM deal with things?

Edit: Another trickle has gone through at 12:45 and two more tasks have downloaded and started running.

Edit2: Just noticed all but one of the now 16 tasks I have are from 1021 and only one from 1028.
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Message boards : Number crunching : Connection and Download issues Oct24

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