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Showing 6 of 6 results by MilkTea
Just an update about my rig and how I temporarily fixed my hang issue.
I have a rig with 6 rx470s and ever since version 12.0 i have had issues with one of my GPUs hanging. I would have to restart the entire system every time this happened which was quite often. The last stable version for me was version 11. So I compared the differences from the two versions and the only thing I noticed was the different mining algorithm. All 12 versions defaulted my 470s to the faster ASM algorithm which worked fine on all my GPUs except one. the one that kept hanging. so i changed the algorithm for the GPU that was hanging back to the original one and I haven't had any issues since on version 12.3. My config file looks like this.
ZecMiner64.exe -zpool ssl://eu1-zcash.flypool.org:3443 -zwal zcashaddress.YourWorkerName -zpsw x -asm 1,1,1,1,1,0
0=card 5 (the card that would always hang)
Hope this helps!
I have a rig with 6 rx470s and ever since version 12.0 i have had issues with one of my GPUs hanging. I would have to restart the entire system every time this happened which was quite often. The last stable version for me was version 11. So I compared the differences from the two versions and the only thing I noticed was the different mining algorithm. All 12 versions defaulted my 470s to the faster ASM algorithm which worked fine on all my GPUs except one. the one that kept hanging. so i changed the algorithm for the GPU that was hanging back to the original one and I haven't had any issues since on version 12.3. My config file looks like this.
ZecMiner64.exe -zpool ssl://eu1-zcash.flypool.org:3443 -zwal zcashaddress.YourWorkerName -zpsw x -asm 1,1,1,1,1,0
0=card 5 (the card that would always hang)
Hope this helps!
Good idea, thanks i also have a card that fucks up. I will try this now
Same here. It only happens in multi-rig systems. The card in a slot on a one-rig system works fine (no riser, I mean). And I do not try to avoid it any more, because I found a remedy. Zec64miner restarts too quickly. You have to wait between iterations Set -r 1 option (quit on hang). and put Zec64Miner in an enless loop (while true; do; ... done) and WAIT at least 15 sec between iterations. Timewait (windows) , sleep 15s (linux).
Every 2-3 hours the hang occurs, But I never need to do a "hard reset" (push the on-off button and hope my filesystem is not gone)
And my rig(s) continues to produce sweet ZEC
;.. whilst sleeping 
Re: Claymore's ZCash AMD GPU Miner v12.3 (Windows/Linux) (BUG REPORT)
I have to remarks on linux version 12.2 (will test 12.3 quit soon)
1. when you display the fan speed, you should read first, set it then, wait half a second and read it again : sometimes a card does not want you to set the fan-speed.
eg : cat /sys/class/drm/ ..blahblahblah/pwm1 reads 50% - even though the program seays "100%" because you set it, and then you read it (too short - it takes about 100 msec to "settle" :-) )
2. when you have the WATCHDOG detecting an OPENCL HANG .... The program quits. and immediately start again. Bad bad bad. You should sleep some time before restarting. SYSCALL HANG (impossible to recover from in Linux, bec I handle it starting zcash64miner in an infinite while-do loop (while true; do; zec64miner;sleep 15; done. (with r 1 option) and it prevents an indefinite sys-call trap (no reboot possible under linux. Lift you *ss, press the on-off switch for 10 secs. Reboot (and hope your filesystem is still there).
What I see often is : your miner detects that the card has limited memory and therefore lessens the intensity to 1 (rather than 6). When you wait 15 secs: no problem.
mvg
M.
1. when you display the fan speed, you should read first, set it then, wait half a second and read it again : sometimes a card does not want you to set the fan-speed.
eg : cat /sys/class/drm/ ..blahblahblah/pwm1 reads 50% - even though the program seays "100%" because you set it, and then you read it (too short - it takes about 100 msec to "settle" :-) )
2. when you have the WATCHDOG detecting an OPENCL HANG .... The program quits. and immediately start again. Bad bad bad. You should sleep some time before restarting. SYSCALL HANG (impossible to recover from in Linux, bec I handle it starting zcash64miner in an infinite while-do loop (while true; do; zec64miner;sleep 15; done. (with r 1 option) and it prevents an indefinite sys-call trap (no reboot possible under linux. Lift you *ss, press the on-off switch for 10 secs. Reboot (and hope your filesystem is still there).
What I see often is : your miner detects that the card has limited memory and therefore lessens the intensity to 1 (rather than 6). When you wait 15 secs: no problem.
mvg
M.