Quad 1080Ti + ASUS X299 + F@H > DPC_WATCHDOG_VIOLATION

It seems that a lot of GPU problems revolve around specific versions of drivers. Though NVidia has their own support structure, you can often learn from information reported by others who fold.

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Re: Quad 1080Ti + ASUS X299 + F@H > DPC_WATCHDOG_VIOLATION

Postby ilxli » Thu May 17, 2018 5:58 pm

Hey,

for me its still fine, I'm using Redshift, but soon it wont be, ill open a ticket!

: )
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Re: Quad 1080Ti + ASUS X299 + F@H > DPC_WATCHDOG_VIOLATION

Postby bruce » Fri May 18, 2018 1:17 am

I can't speak to what you might need for rendering. We're a FAH support forum, and this discussion is rapidly going off-topic except if it's somehow related to FAH.

According to the best information we have, There was a problem is the nVidia 397.31 driver when running FAH (and BOINC, for that matter). OpenCL and CUDA computing works for a while and then dies. It was enough of an issue that nVidia released a hotfix version 397.55 which may work and 397.64 has also been released. Be sure to do a clean install.

If your 730 worked before, it should still work, but the 1060 is going to run circles around it.
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Re: Quad 1080Ti + ASUS X299 + F@H > DPC_WATCHDOG_VIOLATION

Postby foldy » Fri May 18, 2018 9:35 am

bruce, this is a very special issue for people using mainboard with plx pcie switch chip PEX8747. There FAH crashes with newer nvidia drivers and last good version is nvidia 382.53
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Re: Quad 1080Ti + ASUS X299 + F@H > DPC_WATCHDOG_VIOLATION

Postby foldy » Fri May 25, 2018 10:41 am

There is now a similar open issue in nvidia 397.93
Random DPC watchdog violation errors occur when using multiple GPUs on motherboards with PLX chips. [2079538]
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Re: Quad 1080Ti + ASUS X299 + F@H > DPC_WATCHDOG_VIOLATION

Postby adnplayfilms » Thu Jul 05, 2018 2:47 pm

NEWS UPDATE

We are many professionals who, since last year, we are finding this problem.

In case there is anyone with any doubt we can confirm that the problem is the motherboards with PLX processor exclusively in a multi-GPU system.

The good news:

nVidia knows the problem and is working on it since version 397.93.

Code: Select all
http://us.download.nvidia.com/Windows/397.93/397.93-win10-win8-win7-desktop-release-notes.pdf


-----
"Open Issues in Version 397.93 WHQL
This section includes lists of issues
that are either not fixed or not implemented in this version. Some problems listed may
not have been thoroughly researched and, in fact, may not be NVIDIA issues. Others
may have workaround solutions.
► Random DPC watchdog violation errors occur when using multiple GPUs on
motherboards with PLX chips. [2079538] "
-----

The bad news:

The problem was not solved in version 398.11.

Code: Select all
http://us.download.nvidia.com/Windows/398.11/398.11-win10-win8-win7-desktop-release-notes.pdf


-----
"Open Issues in Version 398.11 WHQL
This section includes lists of issues
that are either not fixed or not implemented in this version. Some problems listed may
not have been thoroughly researched and, in fact, may not be NVIDIA issues. Others
may have workaround solutions.
► Random DPC watchdog violation errors occur when using multiple GPUs on
motherboards with PLX chips. [2079538] "
-----

And it still has no solution in the current version 398.36.

Code: Select all
http://us.download.nvidia.com/Windows/398.36/398.36-win10-win8-win7-desktop-release-notes.pdf


-----
"Open Issues in Version 398.36 WHQL
This section includes lists of issues
that are either not fixed or not implemented in this version. Some problems listed may
not have been thoroughly researched and, in fact, may not be NVIDIA issues. Others
may have workaround solutions.
► Random DPC watchdog violation errors occur when using multiple GPUs on
motherboards with PLX chips. [2079538] "
-----

I recommend that those affected, before updating drivers, check the Release Notes to see if they have solved the problem.

Code: Select all
http://us.download.nvidia.com/Windows/***.**/***.**-win10-win8-win7-desktop-release-notes.pdf


Change the asterisks by the version number

Greetings.
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Re: Quad 1080Ti + ASUS X299 + F@H > DPC_WATCHDOG_VIOLATION

Postby foldy » Mon Aug 06, 2018 11:50 am

Still not fixed but nvidia driver 398.82 mentions a possible workaround:
https://forums.geforce.com/default/topic/1065918/geforce-drivers/official-398-82-game-ready-whql-display-driver-feedback-thread-released-8-1-18-/
-Random DPC watchdog violation error when using multiple GPUs on motherboards with PLX chips -> Use the following tool to enable MSI mode as a temporary workaround (only apply changes to each NVIDIA GPU installed):
https://github.com/CHEF-KOCH/MSI-utility/releases

MSI means "Message Signaled-Based Interrupts" here, not the company.
This tool edits Windows registry to change interrupt handling from default to MSI.

Create a Windows Restore Point before using this tool. So if anything goes wrong you can restore the previous registry settings.
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Re: Quad 1080Ti + ASUS X299 + F@H > DPC_WATCHDOG_VIOLATION

Postby Jimboc » Sat Aug 25, 2018 5:06 pm

adnplayfilms wrote:I recommend that those affected, before updating drivers, check the Release Notes to see if they have solved the problem.

Code: Select all
http://us.download.nvidia.com/Windows/***.**/***.**-win10-win8-win7-desktop-release-notes.pdf


Change the asterisks by the version number

Greetings.

foldy wrote:Still not fixed but nvidia driver 398.82 mentions a possible workaround:
https://forums.geforce.com/default/topic/1065918/geforce-drivers/official-398-82-game-ready-whql-display-driver-feedback-thread-released-8-1-18-/
-Random DPC watchdog violation error when using multiple GPUs on motherboards with PLX chips -> Use the following tool to enable MSI mode as a temporary workaround (only apply changes to each NVIDIA GPU installed):
https://github.com/CHEF-KOCH/MSI-utility/releases

MSI means "Message Signaled-Based Interrupts" here, not the company.
This tool edits Windows registry to change interrupt handling from default to MSI.

Create a Windows Restore Point before using this tool. So if anything goes wrong you can restore the previous registry settings.


Hi adnplayfilms and foldy,

Many thanks for keeping us posted on this issue. It's good to know that Nvidia are aware of it and have provided a workaround. Out of curiosity do you know if anyone suffering from this iissue has resolved it using the tool you kindly linked to?

As for me; I'm happy to report my new Asus Rampage VI Apex (X299 chipset)(BIOS Version 1401) when used with my Intel Core i9 7980XE CPU, 64 GB of RAM and 2x Nvidia Geforce GTX Titans (from 2013 and 2014) work perfectly. I have not and I hope I won't experience this issue.

Thanks again.
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Re: Quad 1080Ti + ASUS X299 + F@H > DPC_WATCHDOG_VIOLATION

Postby foldy » Sat Aug 25, 2018 7:12 pm

No, I don't know if the tool helped anyone for folding. Your mainboard does not have this issue as it has no plx pcie switch chip PEX8747. Your mainboard supports 4 GPUs at pcie 3.0 x8 because your CPU provides 44 pcie Lanes. The plx pcie switch chip PEX8747 is only available on some rare mainboards to support 4 GPUs at pcie 3.0 x8 running a cheap CPU with 16 lanes only.
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Re: Quad 1080Ti + ASUS X299 + F@H > DPC_WATCHDOG_VIOLATION

Postby Jimboc » Sun Aug 26, 2018 10:39 am

foldy wrote:No, I don't know if the tool helped anyone for folding. Your mainboard does not have this issue as it has no plx pcie switch chip PEX8747. Your mainboard supports 4 GPUs at pcie 3.0 x8 because your CPU provides 44 pcie Lanes. The plx pcie switch chip PEX8747 is only available on some rare mainboards to support 4 GPUs at pcie 3.0 x8 running a cheap CPU with 16 lanes only.


Hi foldy,

It's really impressive that you have been able narrow down the cause to that exact model of switch chip. Thanks for this and for clarifying which motherboards are/are not affected.
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Re: Quad 1080Ti + ASUS X299 + F@H > DPC_WATCHDOG_VIOLATION

Postby foldy » Fri Sep 21, 2018 4:45 pm

Nvidia driver 411.63 says fixed issue: [GeForce GTX 1080Ti]: Random DPC watchdog violation error when using multiple GPUs on motherboards with PLX chips. [2079538]
foldy
 
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