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Project "Headless Linux CLI Multiple GPU Boinc Server" - Ubuntu Server 12.04.4/14.04.1 64bit - Using GPU's from GeForce GT610/GT640/GTX750ti/+ to crunch data. - Page 11

post #101 of 343
Thread Starter 
STATUS:
26.08.14 07:40pm
While testing I noticed some funny numbers in BoincTaks. The percentage of a job showed about 50% done, 12 minutes in to the job. That's a little to "positive" wink.gif OK, I have to say that the speed has gone up, using these new versions. I'm sure about that, but look at the image and the boxed area. Tell me what you think.
NB! The image/gpu output says "cuda55", but I promise you, this is CUDA6.5 from here: https://developer.nvidia.com/cuda-downloads#linux



SOS! Please help me!
There's another issue, which I would very much like to get solved right now! The problem is, that I can't use the AeroCool fan-control for the CPU! AeroCool works! It's the mobo ASRock Z87 OC Formula, which is somehow different than other mobo's! When connecting the CPU fan to AeroCool, there's an extra wire/connection for the motherboard. This because the system detects if a fan is connected. From AeroCool a wire runs from the controlunit to the CPU fan and then on to the motherboard fan connecter. The fan runs, but I can't see any RPM's and therefore not change the settings.
It's really really gets to me, because the mobo system is increasing and decreasing all the time. I'm getting crazy listening to that noise! mad.gif
Anybody who has a suggestion on how to solve this issue, please let me hear. I know that I have to check/measure the power on a working mobo/Cpu fan/AeroCool and then compare it with the ASRock situation, but this is a nights work, I know it! So if you have an idea, please tell me. It doesn't matter how "increadible" it sounds... It may lead to something. And all you overclockers out there, I know you understand Cpu fans & fan controls biggrin.gif
Edited by DanHansenDK - 8/26/14 at 11:14am
post #102 of 343
Hook it up directly to the PSU with inline resistors to change the speed to that that you want. Hook a small quiet fan to the CPU fan to avoid boot errors.
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post #103 of 343
Umm, well, maybe I have an answer of sorts...

Some BOINC project WU's fail. Sometimes they create a system error. Some of them can NOT be stopped and started again because they improperly respond to terminate requests sent from the manager or whatever. You can even stop boinc all together and some WU's will keep on running in memory! Bad bad! Then you restart and suddenly have twice as many tasks running!

Some systems have an automatic update feature that needs to be disabled.

Umm, and the other thing...If you have a CUDA driver/SDK that supports CUDA 6.5, that is fine. It will support all CUDA versions 6.5 and lower. However, some projects use CUDA 23, 45, 55 drivers in their task code and that is what you are seeing. Just because your system supports CUDA 9.8 doesn't mean a WU will use that version.

Anyways, not sure what the aerocool problem is... maybe the BIOS ignores the tach because it doesn't respond to PWM commands.

Good luck!

biggrin.gif
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post #104 of 343
Thread Starter 
Hello friends,

Quote:
Hook it up directly to the PSU with inline resistors to change the speed to that that you want. Hook a small quiet fan to the CPU fan to avoid boot errors.
Hello BritishBob
Thanks.. That was another way of doing things wink.gif I certainly hasn't thought about that! Smart, pretty d... smart I have to say. It's just that I need to be able to control the RPM's and/or I need the feedback from the fan's. Anyway, it's a solution! And that's what I asked for thumb.gif

Quote:
Umm, and the other thing...If you have a CUDA driver/SDK that supports CUDA 6.5, that is fine. It will support all CUDA versions 6.5 and lower. However, some projects use CUDA 23, 45, 55 drivers in their task code and that is what you are seeing. Just because your system supports CUDA 9.8 doesn't mean a WU will use that version.
Hi Tex,
Got it thumb.gif
Quote:
Some BOINC project WU's fail. Sometimes they create a system error. Some of them can NOT be stopped and started again because they improperly respond to terminate requests sent from the manager or whatever. You can even stop boinc all together and some WU's will keep on running in memory! Bad bad! Then you restart and suddenly have twice as many tasks running!
OK... I see. Thanks again thumb.gif


STATUS/TESTING:
Ubuntu Server 14.04.1 & CUDA 6.5 / Running headless at this time. We are getting there wink.gif



Crunching Nvidia GPU's/Linux 64bit platform/SETI@Home:

Anyone of you guys who know about progress regarding GPU's crunching on Linux 64bit platforms for SETI@Home ??? Any development there? Haven't been able to find any "newish" apps. Anybody who has a working config file for it as well, to compare the one I made. Unsure about this wink.gif
Edited by DanHansenDK - 8/27/14 at 9:38am
post #105 of 343
Quote:
Hello BritishBob
Thanks.. That was another way of doing things wink.gif I certainly hasn't thought about that! Smart, pretty d... smart I have to say. It's just that I need to be able to control the RPM's and/or I need the feedback from the fan's. Anyway, it's a solution! And that's what I asked for

Do you need software control or just some way to turn it down? You could put a variable resistor in there with values around what you want and just run some extra cable to the front. Drill a hole and have a variable resistor know sticking out the front/back of the case.
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post #106 of 343
Thread Starter 
Hi BB,

I mixed stuff together, sorry about that! It was a way to get that fan to shut up while finding what's causing the problem with AeroCool wink.gif Actually I've got some "variable resistances" (potentiometer in danish:). Just have to check the resistance/value. Think it's about 200Ω and according to my calculations the right value would be about 150-180Ω. I'll try this and use this solution until we've solved the issue regarding the missing feedback to AeroCool. It has to be a mobo thing and this mobo only, because the LCD display works, I've tested it and all the other mobo's (not the same model) works just fine.

Thanks for the help thumb.gif
post #107 of 343
Thread Starter 
Hello friends,


It has been a little while, but I'm back again. I've been fighting the "Ubuntu Server CLI v. CUDA" issue wink.gif

This test system, is test system number 5 and we are going to use a new mobo this time. We are going for the Z97 chipset. And we are going to see the shell scripts tested. I've been making/finding a program/package so that we can send system notifications and alerts from the WatchDog* shell scripts. This program is "MSMTP" which is very easy to setup and works just perfect!!

Issues still to be solved:
1. FanController AeroCool X-Vision don't show RPM's in the display/Can't be controlled.

Power consumption all together for this system running at 100%. (1 x CPU at 100% & 4 GPU's at 100%):
Watts: 217 thumb.gif

Here's the hardware I just ordered for test System 5 "Blenheim":

1x ASRock OC Formula Z97
Intel i5-4690K
Industrial 2U Cooler from JAC
Industrial 2U PSU ATX300W
4x Industrial Fan's Pabst
2x 4Gb Kingston HyperX Genesis X2 Grey S.
Asus GT640-1GD5-L PCIe 2.0 x16
Asus GT640-1GD5-L PCIe 2.0 x16
Asus GT640-1GD5-L PCIe 2.0 x16
Asus GT640-1GD5-L PCIe 2.0 x16

Mobo: http://www.asrock.com/mb/Intel/Z97%20OC%20Formula/
post #108 of 343
Think you might transition to single slot 750's anytime soon? They might be a better buy in the long run.
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post #109 of 343
Thread Starter 
Hi Finrond wink.gif

Quote:
Think you might transition to single slot 750's anytime soon?

You'll have to "spell it out" for me wink.gif I'm not that hip wink.gif

750 model/graphic card? mobo? Really interested in hearing from you again wink.gif
post #110 of 343
I would check the RAM voltage on that kit. I think it's 1.65V. If so, I would change it for a 1.5V kit. I ruined the memory controller on a 2500K by running 4 x 1.65V sticks of Kingston HyperX RAM redface.gif
 
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