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BOINC "no usable GPUs found" error. I DO have CUDA enabled GPU

post #1 of 8
Thread Starter 
I have GT 240 and GTX 460 installed on my system.
Installed the latest version of BOINC 6.10.60, and nVidia latest driver 266.58.
Win7 64 bits.
Launched BOINC, and it shows "no usable GPUs found".
How is that possible??! BOTH cards supports CUDA.
What's the problem?
post #2 of 8
Which one is the primary graphics card?
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Main Rig
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Another Quad Core
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C2Q Q8200 2.33GHZ 1.05vCore ASRock P45XE XFX Radeon 4670 1GB 4GB OCZ Platinum DDR2-1000 
Hard DriveOptical DriveOSMonitor
1TB Seagate Barracuda 16x LG DVD-RW Windows 7 x64, Ubuntu 10.10 x64 BenQ 18.5 wide LED 
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post #3 of 8
Thread Starter 
Solved it.
re-installing BOINC and unchecked "protected mode".

One problem solved, more showed up.
GT 240 is my primary card, as GPU 0.
However, BOINC sees GTX 460 as GPU 0, and GT 240 as GPU 1. That is totally OPPOSITE!
According to BOINC, it is running on GPU 0 (GTX 460), and flagged GPU 1 (GT 240) as not used.
How do I get it to recognize correctly? and use both GPUs?
post #4 of 8
Are both cards visible and enabled in desktop properties?

Also, the latest test client is 6.12.19 and it might work better with the latest nvidia drivers. It can be downloaded from HERE.
Crimson Basilisk
(25 items)
 
  
CPUMotherboardGraphicsGraphics
Intel i7 2600K @ 5.1Ghz AsRock Extreme4 Gen3 Palit GTX 680 Jetstream 2GB Palit GTX 680 Jetstream 2GB 
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G.Skill F3-12800CL9D-8GBXL G.Skill F3-12800CL9D-8GBXL Sandisk Extreme 120GB SSD Sandisk Extreme 120GB SSD 
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WD Caviar "Black" 1TB SATAII LG WH14NS40 Blu-ray Burner XSPC Rasa CPU (Acetal) Black RX360 Triple Fan Radiator 
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XSPC DDC Two BayRes BMaverick Laing DDC (MCP350) Windows 7 Ultimate x64 Philips 201B 21" CRT 
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ViewSonic VX922 19" LCD Diamond Digital Black Antec True Power 750w Antec LanBoy Air Red 
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Crimson Basilisk
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CPUMotherboardGraphicsGraphics
Intel i7 2600K @ 5.1Ghz AsRock Extreme4 Gen3 Palit GTX 680 Jetstream 2GB Palit GTX 680 Jetstream 2GB 
RAMRAMHard DriveHard Drive
G.Skill F3-12800CL9D-8GBXL G.Skill F3-12800CL9D-8GBXL Sandisk Extreme 120GB SSD Sandisk Extreme 120GB SSD 
Hard DriveOptical DriveCoolingCooling
WD Caviar "Black" 1TB SATAII LG WH14NS40 Blu-ray Burner XSPC Rasa CPU (Acetal) Black RX360 Triple Fan Radiator 
CoolingCoolingOSMonitor
XSPC DDC Two BayRes BMaverick Laing DDC (MCP350) Windows 7 Ultimate x64 Philips 201B 21" CRT 
MonitorKeyboardPowerCase
ViewSonic VX922 19" LCD Diamond Digital Black Antec True Power 750w Antec LanBoy Air Red 
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post #5 of 8
Thread Starter 
Quote:
Originally Posted by un-nefer View Post
Are both cards visible and enabled in desktop properties?

Also, the latest test client is 6.12.19 and it might work better with the latest nvidia drivers. It can be downloaded from HERE.
Both cards are visible, otherwise BOINC will not see two cards.
The client you provided is BETA version.

I read that nVidia CUDA API will only pick the best card out of the system, and use that one card only. But that could be from year ago. Is it still the case now?
post #6 of 8
Quote:
Originally Posted by lesterhung View Post
Both cards are visible, otherwise BOINC will not see two cards.
Quote:
Originally Posted by lesterhung View Post
Launched BOINC, and it shows "no usable GPUs found".
How is that possible??!
I'll leave it to you since you are all knowing, I'm not interested in wasting my time further.
Crimson Basilisk
(25 items)
 
  
CPUMotherboardGraphicsGraphics
Intel i7 2600K @ 5.1Ghz AsRock Extreme4 Gen3 Palit GTX 680 Jetstream 2GB Palit GTX 680 Jetstream 2GB 
RAMRAMHard DriveHard Drive
G.Skill F3-12800CL9D-8GBXL G.Skill F3-12800CL9D-8GBXL Sandisk Extreme 120GB SSD Sandisk Extreme 120GB SSD 
Hard DriveOptical DriveCoolingCooling
WD Caviar "Black" 1TB SATAII LG WH14NS40 Blu-ray Burner XSPC Rasa CPU (Acetal) Black RX360 Triple Fan Radiator 
CoolingCoolingOSMonitor
XSPC DDC Two BayRes BMaverick Laing DDC (MCP350) Windows 7 Ultimate x64 Philips 201B 21" CRT 
MonitorKeyboardPowerCase
ViewSonic VX922 19" LCD Diamond Digital Black Antec True Power 750w Antec LanBoy Air Red 
MouseMouse PadAudioOther
Epic Gear Meduza (By GEIL) Steel Series QCK+ XL Asus Xonar DX ROCCAT Kave 5.1 Surround Sound Gaming Headset 
Other
Sennheiser hd555 
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Crimson Basilisk
(25 items)
 
  
CPUMotherboardGraphicsGraphics
Intel i7 2600K @ 5.1Ghz AsRock Extreme4 Gen3 Palit GTX 680 Jetstream 2GB Palit GTX 680 Jetstream 2GB 
RAMRAMHard DriveHard Drive
G.Skill F3-12800CL9D-8GBXL G.Skill F3-12800CL9D-8GBXL Sandisk Extreme 120GB SSD Sandisk Extreme 120GB SSD 
Hard DriveOptical DriveCoolingCooling
WD Caviar "Black" 1TB SATAII LG WH14NS40 Blu-ray Burner XSPC Rasa CPU (Acetal) Black RX360 Triple Fan Radiator 
CoolingCoolingOSMonitor
XSPC DDC Two BayRes BMaverick Laing DDC (MCP350) Windows 7 Ultimate x64 Philips 201B 21" CRT 
MonitorKeyboardPowerCase
ViewSonic VX922 19" LCD Diamond Digital Black Antec True Power 750w Antec LanBoy Air Red 
MouseMouse PadAudioOther
Epic Gear Meduza (By GEIL) Steel Series QCK+ XL Asus Xonar DX ROCCAT Kave 5.1 Surround Sound Gaming Headset 
Other
Sennheiser hd555 
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post #7 of 8
Quote:
Originally Posted by lesterhung View Post
Solved it.
re-installing BOINC and unchecked "protected mode".

One problem solved, more showed up.
GT 240 is my primary card, as GPU 0.
However, BOINC sees GTX 460 as GPU 0, and GT 240 as GPU 1. That is totally OPPOSITE!
According to BOINC, it is running on GPU 0 (GTX 460), and flagged GPU 1 (GT 240) as not used.
How do I get it to recognize correctly? and use both GPUs?
you'll need to put a dummy adaptor on the end of a dvi on the other card or add a 2nd monitor and extend the desktop to activate it in boinc.
    
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Corsair Force GT 120gb (OS), 2x 1tb WD Blacks R... LG Bluray CoolerMaster MasterLiquid Pro 120 Win 10 x64 
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26" Emprex Logitech G15 CoolerMaster SPH-1300 Coolermaster HAF922 
MouseMouse Pad
CM Sentinel II CoolerMaster HSM Battle Pad SSK 
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Intel I7-5820k@4.2ghz Gigabyte X99-UD3P AMD 295x2 16GB G.Skill DDR4-2400 
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Corsair Force GT 120gb (OS), 2x 1tb WD Blacks R... LG Bluray CoolerMaster MasterLiquid Pro 120 Win 10 x64 
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26" Emprex Logitech G15 CoolerMaster SPH-1300 Coolermaster HAF922 
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post #8 of 8
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16c/32t
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12c/24t
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i7 6700k ASUS Z170I PRO GAMING Mini‑ITX EVGA GTX 1080 TI FTW3 G.SKILL TridentZ F4-3200C14D-16GTZ 
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SAMSUNG 950 PRO M.2 Corsair H80i Windows 10 Professional x64 Corsair SF600 
CPUCPUMotherboardGraphics
Xeon E5-2670 Xeon E5-2670 Intel s2600cp2j GTX 980 
RAMHard DriveCoolingPower
Hynix 128GB PC3-12800R ECC Kingston SV300S37A Noctua NH-U9DXi4 Corsair RM850i 
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Rosewill RSV-L4000 
CPUCPUMotherboardGraphics
Xeon X5680 Xeon X5680 SuperMicro X8DTL-iF GTX 980 
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24GB (6X4GB) DDR3 Memory Ubuntu 
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The Main PC
(8 items)
 
16c/32t
(9 items)
 
12c/24t
(6 items)
 
CPUMotherboardGraphicsRAM
i7 6700k ASUS Z170I PRO GAMING Mini‑ITX EVGA GTX 1080 TI FTW3 G.SKILL TridentZ F4-3200C14D-16GTZ 
Hard DriveCoolingOSPower
SAMSUNG 950 PRO M.2 Corsair H80i Windows 10 Professional x64 Corsair SF600 
CPUCPUMotherboardGraphics
Xeon E5-2670 Xeon E5-2670 Intel s2600cp2j GTX 980 
RAMHard DriveCoolingPower
Hynix 128GB PC3-12800R ECC Kingston SV300S37A Noctua NH-U9DXi4 Corsair RM850i 
Case
Rosewill RSV-L4000 
CPUCPUMotherboardGraphics
Xeon X5680 Xeon X5680 SuperMicro X8DTL-iF GTX 980 
RAMOS
24GB (6X4GB) DDR3 Memory Ubuntu 
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