"No usable GPUs found" Ubuntu and Nvidia 8500 GT

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D-90PO

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Joined: 3 Feb 10
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Germany
Message 30782 - Posted: 3 Feb 2010, 17:12:06 UTC
Last modified: 3 Feb 2010, 17:16:17 UTC

Hello,

I am using 6.10.17 BOINC with Ubuntu 9.10
there I get the message "No GPUs found"

I have the latest 195.30 driver and also installed CUDA 3 beta after it wont work without CUDA but it doesnt help.

Is there any solution to solve this problem that BOINC do not recognize my GPU?


On my Windows Vista BOINC works properly and uses also my 8500 GT GPU...


greetings
D90
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David M. Swain

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United Kingdom
Message 30986 - Posted: 12 Feb 2010, 14:23:44 UTC - in response to Message 30782.  

Hi

Unfortunately I don't have a solution to your problem just a confirmation. I am using an NVidia 9600 card with Suse Linux 11.2 with the latest NVidia driver, I've ticket the "Use GPU" box in the preferences dialog in BOINC and, as far as I can see all of the CUDA libraries installed but I to get the message "No usable GPU's Found". I'm sure it's a simple solution but it beats me. Some help please.

Cheers

David


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Profile Gundolf Jahn

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Message 30987 - Posted: 12 Feb 2010, 16:37:15 UTC - in response to Message 30986.  

Perhaps you can find some hints in where can I get help for cuda on ubuntu? at the SETI CUDA forum.

Gruß,
Gundolf
Computer sind nicht alles im Leben. (Kleiner Scherz)
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Profile Joseph Stateson
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Message 30988 - Posted: 12 Feb 2010, 19:31:45 UTC

I just put together a 9.1 x64 ubuntu system using 6.10.32 and 190.53 and on about 3 out of 5 reboots, the GTS-250 cannot be found.

An old thread at gpugrid suggested using a 5 sec delay in the "start" of boinc-client and rescheduling the task by changing the script name from S20boinc-client to S32boinc-client. Not sure if this is going to fix the problem.

Anyway, I was wondering if anyone else has seen a problem like this?

This is my first CUDA ubuntu system. All the others were VISTA 64.

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Profile Gundolf Jahn

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Message 30989 - Posted: 12 Feb 2010, 20:31:16 UTC - in response to Message 30988.  

I found a couple more threads:
NO CUDA DEVICE FOUND and
Can't load library libcudart.

Gruß,
Gundolf
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Profile Jord
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Message 31020 - Posted: 14 Feb 2010, 0:52:26 UTC

Nicked from Einstein

Sentynel wrote:
For future reference if anybody stumbles upon this, the easiest way to install CUDA-compliant nvidia drivers on Ubuntu is by adding the nvidia VDPAU team's PPA from here: https://launchpad.net/~nvidia-vdpau/+archive/ppa This has updated nvidia driver packages, making installing and building new modules for new kernel versions totally painless.

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Skip Da Shu
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Message 34239 - Posted: 15 Aug 2010, 23:21:50 UTC - in response to Message 30988.  

I just put together a 9.1 x64 ubuntu system using 6.10.32 and 190.53 and on about 3 out of 5 reboots, the GTS-250 cannot be found.

An old thread at gpugrid suggested using a 5 sec delay in the "start" of boinc-client and rescheduling the task by changing the script name from S20boinc-client to S32boinc-client. Not sure if this is going to fix the problem.

Anyway, I was wondering if anyone else has seen a problem like this?

This is my first CUDA ubuntu system. All the others were VISTA 64.


Sounds like something I was doing at one time.

1) I no longer rename the S20boinc-client to S32....
2) I use the 3~6 second delay in the /etc/init.d/boinc-client script, like below.

start()
{
  log_begin_msg "Starting $DESC: $NAME"
  if is_running; then
    log_progress_msg "already running"
  else
    sleep 5
    start-stop-daemon --start --quiet --background --pidfile $PIDFILE \


This will work if doing a "sudo /etc/init.d/boinc-client restart" solves the problem. The problem is that the boinc-client is getting started before the driver has been loaded from the xorg.conf file. The 3~5 second delay is enough to allow gdm, et. al. to finish up before boinc goes looking for the driver.

Solved the issue on all my Nvidia equipped machines. I have a diff problem on my ATI machine that results in the same message.


- da shu @ HeliOS,
"A child's exposure to technology should never be predicated on an ability to afford it."
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Message boards : Questions and problems : "No usable GPUs found" Ubuntu and Nvidia 8500 GT

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