Error downloading array energyBuffer: clEnqueueReadBuffer (-

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MeeLee
Posts: 1375
Joined: Tue Feb 19, 2019 10:16 pm

Error downloading array energyBuffer: clEnqueueReadBuffer (-

Post by MeeLee »

Fist time I see this kind of error.
Is it because of a too high overclock, or a power issue?

Code: Select all

16:16:39:WU00:FS01:0x21:ERROR:exception: Error downloading array energyBuffer: clEnqueueReadBuffer (-5)
16:16:39:WARNING:WU00:FS01:FahCore returned: BAD_WORK_UNIT (114 = 0x72)
Most of the time, I get this for a bad overclock:

Code: Select all

2:29:03:WU00:FS03:0x21:ERROR:114: Max Retries Reached
12:29:04:WARNING:WU00:FS03:FahCore returned: BAD_WORK_UNIT (114 = 0x72)
foldy
Posts: 2061
Joined: Sat Dec 01, 2012 3:43 pm
Hardware configuration: Folding@Home Client 7.6.13 (1 GPU slots)
Windows 7 64bit
Intel Core i5 2500k@4Ghz
Nvidia gtx 1080ti driver 441

Re: Error downloading array energyBuffer: clEnqueueReadBuffe

Post by foldy »

The error message means there was a GPU reset by error. Normally this is due to GPU overclock. ( I got this once when my power supply was weak but then also the display went off )
MeeLee
Posts: 1375
Joined: Tue Feb 19, 2019 10:16 pm

Re: Error downloading array energyBuffer: clEnqueueReadBuffe

Post by MeeLee »

I think it happened because I accidentally hit the fan trying to connect a cable.
The thing would just continue working normally, save for the error above.
The overclocks were set very mild.
bruce
Posts: 20910
Joined: Thu Nov 29, 2007 10:13 pm
Location: So. Cal.

Re: Error downloading array energyBuffer: clEnqueueReadBuffe

Post by bruce »

The firmware in GPUs is designed to detect errors and attempt to recover from them. That firmware isn't very smart and there is no OS running inside the GPU.

Microsoft (and others) have some kind of error recovery process which may be designed simply to reset the GPU and restart the video processes -- which is fine if you're using the GPU to display the desktop but inadequate for FAH. Nobody objects if their screen flickers briefly, but if it does it frequently, it's a sign of a more serious problem. FAH cannot handle some errors which are not a problem for a video application.
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