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Message boards : Problems and Help : OpenCL memory allocation error in AP27 OpenCL_ATI application

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Message 132820 - Posted: 13 Sep 2019 | 15:58:14 UTC

I have a permanent error with AP27 opencl_ati. WU starts and after a few seconds goes into state "postponed for 60 sec". After a minute, this is repeated.
In the file stderr.txt I have this:

AP26 OpenCL 10-shift search version 2.6 by Bryan Little and Iain Bethune
Compiled May 9 2019 with GCC 8.1.0
Command line: projects/www.primegrid.com/ap27_2.6_opencl_windows64.exe 77175972 77176093 640
GPU Info:
Name: Cayman
Vendor: Advanced Micro Devices, Inc.
Driver: 1800.11 (VM)
Using generic sieve kernel.
OpenCL memory allocation error, restarting in 1 minute.


My GPU is Radeon HD 6970, 2 Gb video memory. Driver is amd-catalyst-15.7.1-win10-64bit. This is the latest driver for this graphics card on the AMD site. Other Primegrid GPU applications (Genefer, PPS-Sieve) work without errors, GPU applications of other projects also work normally.

What could be the cause of OpenCL memory allocation error?

Message boards : Problems and Help : OpenCL memory allocation error in AP27 OpenCL_ATI application

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