Lost multi-GPU BOINC capability with Windows 10 Fall Creators Update

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Profile Richie

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Message 82132 - Posted: 20 Oct 2017, 16:51:52 UTC - in response to Message 82129.  

Asrock Z87 Extreme3.


It might be impossible to compare version numbers of the Intel drivers at the AsRock site and what has been installed by Windows 10. Propably Intel diagnostics tool makes correct diagnoses about need for any update.

( Not important but I wrote already so...
Back in old days "INF driver ver 10.1.1.8" at the AsRock site would have been the important one to install, but now if you browse currently installed chipset drivers thru Device Manager, System Devices... and Properties, Driver... there might be nothing which resembles 10.1.1.8 anymore. While searching help with this I found out this free tool was quite usable for listing all drivers that have been installed on a system:
http://www.nirsoft.net/utils/installed_drivers_list.html
Results sorted by name... and there's also Intel drivers... but propably some of the version numbers point to Windows build. That's what I saw on my computer. )

About UEFI settings:
Manual Page 77, IGPU Multi-Monitor
"Select disable to disable the integrated graphics when an external graphics card is installed. Select enable to keep the integrated graphics enabled at all times."

Have you tried that "Disabled" ?
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archae86

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Message 82139 - Posted: 21 Oct 2017, 17:04:03 UTC

I've flashed the most recent UEFI BIOS available for the motherboard (2.70)
I've run the Intel Chipset Device Software version 10.1.1.42 (commonly called chipset drivers, actually is an INF installer)
My UEFI settings before and after the BIOS reflash both had the Intel onchip graphics disabled
Possibly because of the disabled onchip graphics setting, my running of the Intel Graphics driver installer version Win64_165036.4703 terminated with the advice that "this computer does not meet the minimum requirements for installing this software".
I ran the Intel Driver and Support Assistant Installer 3.0, which announced that "no driver updates were found for your system", but left behind an ever-running process with tray icon (grrr...)

After these updates I tried again a configuration with the 1050 in primary and a 750 Ti in secondary. Clinfo and BOINC only saw and BOINC only used the 750Ti.

Subsequently I did a full uninstall/DDU/hardware change/driver install with two identical model 750 Ti cards.
Clinfo and BOINC see and BOINC uses only one of the two 750Ti cards.

While the Nvidia thread on problems with the Fall Creators Update rattles along, my post there has gotten zero response, and the many complaints don't generally seem to align with mine.

As this configuration is less productive than the single 1050 configuration, I'll probably revert to that if no new clever ideas turn up soon.
I shall try to avoid the Windows update on my other two multi-GPU machines until I hear others have success with BOINC in general, and Einstein in particular.
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Profile Jord
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Message 82140 - Posted: 21 Oct 2017, 17:08:34 UTC - in response to Message 82139.  
Last modified: 21 Oct 2017, 17:08:54 UTC

No one touched this yet, but what make and model PSU do you use?
And how old is it?
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archae86

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Message 82141 - Posted: 21 Oct 2017, 17:49:13 UTC - in response to Message 82140.  

Ageless wrote:
No one touched this yet, but what make and model PSU do you use?
And how old is it?
I've turned the machine back over to the primary user (my wife) after hours of labor this morning. I think I'll wait to try to read the power supply model until the next time I open it. Generally I use Seasonic units, running far below their rating. That box, however, quite likely has something else in it, and when the 970+750Ti configuration was still running (less than a week ago) was consuming a higher fraction of nameplate than my custom. If I can read the model number, I can probably find my purchase record. I'll hazard a guess at five years.

However the 970 has not run a single second of Einstein work since the conversion, and is currently not in the machine, which is therefore consuming over 100 watts less than last week.
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archae86

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Message 82186 - Posted: 23 Oct 2017, 16:30:23 UTC - in response to Message 82140.  

No one touched this yet, but what make and model PSU do you use?
And how old is it?
Nexus Value 430 purchased August 2010.

As of this morning I've given up on working this problem. I removed the dual 750Ti cards and put a single GTX 1050 in the primary slot, and resumed production work.

In summary, it appears that the combination of Windows 10 Fall Creators Update, the most recent Nvidia driver, and my system configuration somehow lead to a situation in which some, but not all, recognition of the graphics cards installed does not work properly for at least three distinct combinations of cards I've tried. Clinfo and BOINC both think there is only one card installed, and in all three cases where there were really two cards, it was the card in the secondary slot which BOINC and clinfo reported to be present (and which BOINC actually used). When there is only a single card installed in the primary slot, that is recognized by clinfo and BOINC and used successfully by BOINC.

I reviewed the BOINCstats top Einstein host list, and found more than one top 100 host which runs Windows 10, has installed the Fall Creators Update, runs Nvidia, and runs more than one card. I don't know their install date, so can't rely on their credit history to confirm or deny that they share my pain.
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Profile Jord
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Message 82187 - Posted: 23 Oct 2017, 17:05:50 UTC - in response to Message 82186.  

Nexus Value 430 purchased August 2010.
That's an entry level PSU, it doesn't even have an over power protection (OPP) circuit. I wouldn't put two GPUs against that if these require to run flat out 24/7.

The 970 uses 145W and recommends a 500W PSU.
The 750 TI uses 60W and recommends a 300W PSU.
The 1050 uses 75W and recommends a 300W PSU.

Using this PSU calculator (on Expert), I get to 373W with the 1050 + 750 and 411W with the 970 + 750.
While the first may not be out of power, the second one almost is and that's worrisome.

A new Seasonic 550W won't set you back 80 bucks on Amazon. I'd try that before anything else.
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Message boards : Questions and problems : Lost multi-GPU BOINC capability with Windows 10 Fall Creators Update

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