[gmx-developers] bs_nix1310 broken

[Mark Abraham]

Hi,

Looks like I needed to purge the installs of old drivers before adding new
ones on bs_nix1310. I didn't need to do that on bs_nix1204, but I've
learned a lesson now :-).

Mark

On Mon, Nov 20, 2017 at 11:36 AM Szilárd Páll <pall.szilard at gmail.com>
wrote:

> Hi,
>
> CC 2.0 devices are indeed unsupported by CUDA 9.0 RT so I could imagine
> that they "forgot" to test the 384-series (9.0 driver version) drivers them
> properly.
>
> I suggest trying a different driver. We have been using 384.90 on a couple
> of dev-machines, although none with CC 2.0 cards. Otherwise, reverting to
> 375 would be the best option.
>
> Cheers,
>
> --
> Szilárd
>
> On Mon, Nov 20, 2017 at 8:13 AM, Mark Abraham <mark.j.abraham at gmail.com>
> wrote:
>
>> Hi guys,
>>
>> Thanks for the ideas. I can use CUDA_VISIBLE_DEVICES to get the test to
>> run on any of the devices, but only with some of the possible combinations
>> of the three devices visible. Several working combinations includes the old
>> GT 480 GPU, but that shouldn't matter because no builds are using CUDA 9.0.
>> And nvidia-smi reports that all devices are in the default non-exclusive
>> mode. mdrun is perfectly happy with the GPUs.
>>
>> Mark
>>
>> On Mon, 20 Nov 2017 08:07 Millad Ghane <mghane at cs.uh.edu> wrote:
>>
>>> Hello Mark,
>>>
>>> It might be due to existence of another program that makes the GPU
>>> busy for itself. If there is a program that uses GPU, the CUDA driver
>>> might halt your program and return that error. It makes sense, right?
>>> No sharing.
>>>
>>>
>>> Bests,
>>> Millad
>>>
>>>
>>> On Sun, Nov 19, 2017 at 11:26 PM, Mark Abraham <mark.j.abraham at gmail.com>
>>> wrote:
>>> > Hi,
>>> >
>>> > I seem to have broken bs_nix1310 while trying to install CUDA 9.0 + a
>>> driver
>>> > than can use it. It worked fine on bs_nix1204, but something is
>>> different
>>> > about this machine. It doesn't seem to be just that it has one really
>>> old
>>> > GPU.
>>> >
>>> > On gerrit, you will see errors from Jenkins builds on that slave
>>> consistent
>>> > with
>>> >
>>> > cudaFuncGetAttributes failed: all CUDA-capable devices are busy or
>>> > unavailable
>>> >
>>> > for some of the PME-related unit tests, until we sort out how to get a
>>> > functional driver working on it. Sorry for the inconvenience!
>>> >
>>> > (More details at https://redmine.gromacs.org/boards/6/topics/851?r=855
>>> for
>>> > those with access to it.)
>>> >
>>> > Mark
>>> >
>>> > --
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