AMD GPU Windows 10 21H1 Computation Error

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karlfoley

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Joined: 15 Jan 18
Posts: 5
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Message 104237 - Posted: 2 May 2021, 5:47:45 UTC

Since my computer upgraded to 21H1 AMD GPU units for both World Community Frid - Covid 17 and Collatz At Home have been failing with "Computation error". World community Grid ones fail at the end but Collatz Conjecture ones fail a few seconds in.
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karlfoley

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Message 104238 - Posted: 2 May 2021, 5:53:52 UTC - in response to Message 104237.  

Boinc version: 7.16.11
GPU is embedded in AMD Ryzen 7 4800U laptop.
GPU driver v27.20.11032.6002

I've tried multiple reboots and any CUs available for 21H1 have been installed.

Here's the log from a Collatz grid failed WU:
02/05/2021 06:39:29 | collatz | Starting task collatz_sieve_10d19ad5-1596-440a-a8df-a910079027ff_0
02/05/2021 06:39:33 | collatz | Computation for task collatz_sieve_10d19ad5-1596-440a-a8df-a910079027ff_0 finished
02/05/2021 06:39:33 | collatz | Output file collatz_sieve_10d19ad5-1596-440a-a8df-a910079027ff_0_r1617770302_0 for task collatz_sieve_10d19ad5-1596-440a-a8df-a910079027ff_0 absent
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Profile Dave

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Message 104239 - Posted: 2 May 2021, 7:46:28 UTC

Have you asked on the project fora?
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Richard Haselgrove
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Message 104240 - Posted: 2 May 2021, 8:12:59 UTC

"Output file ... absent" is a symptom, not a cause. Try looking at the failed task on the project's website: there may be additional clues in the 'stderr.txt' reported back to the server.
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karlfoley

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Message 104247 - Posted: 2 May 2021, 13:04:51 UTC
Last modified: 2 May 2021, 13:07:11 UTC

OK, reinstalled the AMD GPU drivers for the 4800U from the AMD website and now all appears to be working again.
Looks like the upgrade to 21H1 screwed up the GPU support somehow.
Downloaded drivers v21.4.1, which installed Display Driver v27.20.21002.112 so it was an upgrade from the drivers installed before the upgrade to 21H1.
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karlfoley

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Message 104309 - Posted: 5 May 2021, 11:45:36 UTC

I may have spoke too soon as these initially worked, but then stopped working again, but this time failing at the end instead of the start.
I did have the AMD GPU disabled in BOINCstatsBAM! for both WCG - Covid 19 and Collatz Conjecture but still kept getting them and them erroring.
I have disabled the AMD GPU for both projects now with the following cc_config.xml:

<cc_config>
<options>
<exclude_gpu>
<url>https://boinc.thesonntags.com/collatz/</url>
<type>ATI</type>
<app>collatz_sieve</app>
</exclude_gpu>
<exclude_gpu>
<url>http://www.worldcommunitygrid.org/</url>
<type>ATI</type>
<app>opng</app>
</exclude_gpu>
</options>
</cc_config>
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Message boards : GPUs : AMD GPU Windows 10 21H1 Computation Error

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