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Message boards : Problems and Help : 1.07 Genefer (cuda32_13) Errors under Ubuntu LINUX 11.10

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Tex1954
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Message 58355 - Posted: 16 Oct 2012 | 16:36:25 UTC
Last modified: 16 Oct 2012 | 17:00:48 UTC

I can't get this 1.07 Genefer (cuda32_13) to run on a stock clocked Linux 11.10 box. Can you please give a hint what may be wrong?

This box has a 1055T and GTX580 Nvidia stock 772MHz card in it and runs everything else fine; PG-PPS, Einstein, GPUGRID, Donate, DistrRTgen, SETI all run fine...

Some failed WU's for computer 293560:

http://www.primegrid.com/workunit.php?wuid=302922099
http://www.primegrid.com/workunit.php?wuid=302926789
http://www.primegrid.com/workunit.php?wuid=305779288
http://www.primegrid.com/workunit.php?wuid=305639121

Thanks!

8-)

PS: Just replaced G-Skill DRAM with Corsair to see if any difference...

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Discovered the World's First base 116 Generalized Cullen prime!!!Discovered 28 mega primesEliminated 7 conjecture "k"sDiscovered 1 Sophie Germain pairDiscovered 2 Fermat divisors2012 Tour de Primes highest prime count2012 Tour de Primes most Mountain Stage primes2015 Tour de Primes highest prime count2016 Tour de Primes highest prime countFound 23 primes in the 2018 Tour de PrimesFound 1 mega prime in the 2018 Tour de PrimesFound 2 primes in the 2018 Tour de Primes Mountain Stage2019 Tour de Primes highest prime countFound 22 primes in the 2019 Tour de Primes2020 Tour de Primes highest prime scoreFound 21 primes in the 2020 Tour de PrimesFound 4 mega primes in the 2020 Tour de PrimesFound 8 primes in the 2021 Tour de PrimesFound 1 mega prime in the 2021 Tour de Primes321 LLR Double Silver: Earned 200,000,000 credits (201,403,028)Cullen LLR Double Silver: Earned 200,000,000 credits (201,409,561)ESP LLR Double Silver: Earned 200,000,000 credits (214,825,147)Generalized Cullen/Woodall LLR Double Bronze: Earned 100,000,000 credits (140,166,843)PPS LLR Double Gold: Earned 500,000,000 credits (736,193,412)PSP LLR Double Bronze: Earned 100,000,000 credits (199,513,945)SoB LLR Double Silver: Earned 200,000,000 credits (207,028,068)SR5 LLR Double Silver: Earned 200,000,000 credits (214,437,634)SGS LLR Double Silver: Earned 200,000,000 credits (205,718,935)TPS LLR (retired) Silver: Earned 100,000 credits (235,439)TRP LLR Double Silver: Earned 200,000,000 credits (201,215,056)Woodall LLR Double Silver: Earned 200,000,000 credits (201,651,344)321 Sieve (suspended) Double Silver: Earned 200,000,000 credits (235,451,253)Cullen/Woodall Sieve (suspended) Emerald: Earned 50,000,000 credits (83,794,448)Generalized Cullen/Woodall Sieve (suspended) Double Silver: Earned 200,000,000 credits (285,139,652)PPS Sieve Double Ruby: Earned 2,000,000,000 credits (2,732,435,721)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Double Silver: Earned 200,000,000 credits (203,523,358)TRP Sieve (suspended) Double Silver: Earned 200,000,000 credits (201,489,157)AP 26/27 Double Silver: Earned 200,000,000 credits (459,635,033)GFN Double Ruby: Earned 2,000,000,000 credits (2,152,621,376)WW Double Ruby: Earned 2,000,000,000 credits (2,668,460,000)PSA Double Silver: Earned 200,000,000 credits (259,058,048)
Message 58357 - Posted: 16 Oct 2012 | 17:02:12 UTC - in response to Message 58355.


Try down clocking the memory. I know that you are stock clocked, but Genefer is very sensitive when it comes to memory clocks, and most users have avoided this specific error by dropping their memory clock just a bit (even from stock). Doing so, BTW, does not seem to alter performance.

Tex1954
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PPS LLR Bronze: Earned 10,000 credits (77,033)SR5 LLR Bronze: Earned 10,000 credits (73,393)TRP LLR Bronze: Earned 10,000 credits (24,225)Woodall LLR Bronze: Earned 10,000 credits (16,356)Cullen/Woodall Sieve (suspended) Turquoise: Earned 5,000,000 credits (8,166,020)PPS Sieve Emerald: Earned 50,000,000 credits (79,607,177)GFN Silver: Earned 100,000 credits (104,393)
Message 58358 - Posted: 16 Oct 2012 | 17:14:07 UTC - in response to Message 58357.

Are you talking about the GPU memory speed or the motherboard memory speed?

I can't do anything with GPU clocks under Linux... not even with all the fancy CoolBit things and such... seems all the tricks work only with old kernals and old Linux versions...

8-)

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Message 58359 - Posted: 16 Oct 2012 | 17:21:52 UTC - in response to Message 58358.

Are you talking about the GPU memory speed or the motherboard memory speed?

I can't do anything with GPU clocks under Linux... not even with all the fancy CoolBit things and such... seems all the tricks work only with old kernals and old Linux versions...

8-)


It's the GPU memory speed.

I'm not sure how to manipulate the GPU clocks under Linux, but hopefully someone will have an answer to that.

One thing you CAN try that definitely works under Linux as well as it does under Windows to to lower the temperature of the GPU. If you can increase the speed of the GPU fan, that may help. Also, opening up the case and blowing air (from a desk fan) onto the GPU may do the trick.

At least one person has had excellent results by ducting air conditioning straight into the computer case. He can run GeneferCUDA on a substantially overclocked GPU without error.
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Tex1954
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Message 58361 - Posted: 16 Oct 2012 | 17:32:30 UTC - in response to Message 58359.

LOL!

Well, blowing air on it isn't an option... but I get your point.

I'll try to figure out something...

Thanks!

8-)

Tex1954
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Message 58374 - Posted: 16 Oct 2012 | 22:06:29 UTC - in response to Message 58361.

Okay, I reprogrammed the GTX 580 FLASH to use min 90% fan speed, drop the temps to 68c with that and also gave it an overclock and dropped the memory clock to 1716... . So far it's running fine, longer than it ever has on the linux box....

The BIOS is same as EVGA bios so it was easy to mess with it...

Now it's running 855/1702/1716 90-100 mn/mx fan and crossing my fingers...

8-)


Tex1954
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Message 58378 - Posted: 17 Oct 2012 | 0:10:40 UTC - in response to Message 58374.
Last modified: 17 Oct 2012 | 0:39:07 UTC

Okay, I reprogrammed the GTX 580 FLASH to use min 90% fan speed, drop the temps to 68c with that and also gave it an overclock and dropped the memory clock to 1716... . So far it's running fine, longer than it ever has on the linux box....

The BIOS is same as EVGA bios so it was easy to mess with it...

Now it's running 855/1702/1716 90-100 mn/mx fan and crossing my fingers...

8-)





Everything running sweet now...

Thanks for the tip!! Fast clock and slower mem did it..

8-)

PS: I do notice the Linux version seems to use a lot more CPU time or else it just reports more...

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Message 58621 - Posted: 23 Oct 2012 | 10:45:49 UTC

I'm on ubuntu 11.10 on one machine and I'm able to control fan speed on the card with the following /etc/X11/xorg.conf file:

Section "Screen" Identifier "Default Screen" DefaultDepth 24 EndSection Section "Module" Load "glx" EndSection Section "Device" Identifier "Default Device" Option "Coolbits" "5" Option "NoLogo" "True" # Driver "nvidia" EndSection

This enables a checkbox on the nvidia-settings control panel program that will activate a slider to adjust fan speed manually. Sadly it isn't sticky, so you have to re-do it after a reboot. That's actually probably a good thing, in case your ambient temperatures have changed. I live in generally-warm SoCal, and normally set the fan between 70-75%, putting temps in low-60C's.

This does *not* work under 12.04... the xorg.conf file isn't used anymore, and I don't know where the equivalent functionality has moved (if it still exists at all... help?). My 12.04 box therefore uses the default fan profile, which IMHO lets the card run too hot, but at least it isn't overclocked.

MG: there's no way on Linux to control the GPU clocks short of flashing its BIOS, at least that I'm aware of. There used to be, but the mechanism hasn't worked in a year if not two.

--Gary

Message boards : Problems and Help : 1.07 Genefer (cuda32_13) Errors under Ubuntu LINUX 11.10

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