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Quote from: alizali on October 31, 2018, 01:05:46 PM

i have watchdog error (opencl call) with claymore
while ETH miner works fine
why?
i love claymore because os less power usage but watchdog error kill me

As far as I can guess, you're either trying to overclock too much or trying to undervolt too much. Adjust your overclocking/undervolting numbers till your GPUs are in the position of handling the work with stability.

Are you using Claymore's integrated options or trying to use some driver for that?

I kept having this error too on one gpu, was driving me crazy. Finally solved it by replacing the pcie riser which was faulty.
Ethash mining is much more sensitive than Cryptonight to bad risers.

is there a way to test riser?
how we can sure the problem is from riser?
why ETH miner has no probem with same OC/undervolting but claymore gives watchdog error?

Claymore will break easier and reveal problems that don't come up on ETHminer, when I had a bad riser it did not crash on ETHminer but always gave the watchdog hanging error on Claymore and Phoenix.
Try to find out which gpu is hanging and either give it a new riser or move the suspect riser to another gpu and see if it gives problems.

so you as same as me believe that i got a weak riser right?
claymore react against it but ethminer not?
right?

Exactly, run Claymore and look when you get the watchdog/opencl hang, it will show the GPU that causes it, and most likely that's where your bad riser is.