[Thinlinc-technical] VirtualGL experience?

[Hassan Zafar]

Hey please stop Emailing me, I am not the person you are looking for

On Mon, Nov 21, 2016 at 9:07 PM, Carsten Rose <carsten.rose at math.uzh.ch>
wrote:

> Dear Rob
>
> which GPUs are you using for your tests with GNOME-3 ?
>>
> We've cancel'd the project at the moment :-(
>
> The test evironment (Ubuntu 16.04) has been configured with a low cost
> Nvidia GeForce 210 (MSI N210) - but we can't recommend that card, cause
> sometimes we saw pixel garbage (BUT: not sure if the card was the problem).
> We ran three sessions on that host for roughly two weeks. Beside the pixel
> garbage, all other run's smoothly (fantastic feeling).
>
> FYI: Another department runs a small 'red had' based thinlinc setup. They
> also used a standard low cost Nvidia GPU without any hassle and expecially
> without any complicated configuration - they just installed the virtual-gl
> package, granted access to all users, and voila, the Thinlinc  Gnome
> session run's hardware accelerated. They didn't reported any pixel garbage
> so far. But that is a test setup with only one session on a standard PC.
>
> The reason for us to cancel the project:
> - Mate on Ubuntu 16.04 still run's smoothly (even without HW accelleration)
> - At the moment we run 18 VMs as vsmagent's on KVM, for our thinlinc setup
> (200 Sessions). We have no experience (even it is possible in general) to
> assign GPUs on the bare metal to a VM. If GPU/VM assignment is not possible
> in KVM, this means we loose our cloud for thinlinc.
> - Our baremetals do not have PCI slots for GPUs - this means we need new
> hardware for this setup (that's no option for us in 2016/2017)
> - No idea about stability of Ubuntu 16.04 with VirtualGL - we won't buy
> new hardware just to realize that something will crash all the time - we
> have to test it deeply.
>
> How many such sessions do you feel can be supported by a single GPU ?
>>
> - No idea
> - We've found no monitoring tools for the Nvidia GPU to meassure the load
> - probably there is nothing like 'top' for Nvidia GPUs.
> - At least the three sessions over the two weeks never lacked!!!
>
> Sorry for no better answers.
>
> CU
> Carsten
>
> --
> Carsten Rose
> IT Koordinator / Institut für Mathematik
>
> *****
> Universität Zürich
> Carsten Rose
> Institut für Mathematik, Y27-J40
> Winterthurerstrasse 190
> CH-8057 Zürich
>
> +41 44 635 58 47 Telefon
> +41 44 635 57 05 Telefax
>
> www.math.uzh.ch
> carsten.rose at math.uzh.ch
>
> "Wenn ein unordentlicher Schreibtisch einen unordentlichen Geist
> repräsentiert, was sagt dann ein leerer Schreibtisch über den Menschen, der
> ihn benutzt aus?" - Albert Einstein
>
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