[Beignet] few questions on Beignet-OpenCL-ICD v1.2.0 regarding X11 and kernel patches

[Weng, Chuanbo]

How did you work out a non-X ubuntu? Installed an ubuntu server edition?
/dev/dri is supported by linux kernel, try this command to see whether there is drm and i915 module:
	lsmod | grep i915
Maybe you can update your linux kernel to latest version and try again.

Thanks,
Chuanbo Weng

-----Original Message-----
From: Beignet [mailto:beignet-bounces at lists.freedesktop.org] On Behalf Of Seva Gluschenko
Sent: Saturday, September 24, 2016 1:02 AM
To: beignet at lists.freedesktop.org
Subject: Re: [Beignet] few questions on Beignet-OpenCL-ICD v1.2.0 regarding X11 and kernel patches

Hi Weng,


I might be missing something, but it seems like the DRI is only available together with X. That's why I'm specifically interested if you know how to make /dev/dri appear in non-X environment.

On the other hand, I made all my exercises as root, and I've just figured out, though, that I don't have /dev/drm either, even though kernel reports it was initialized in my system:

Sep 23 10:15:24 srv1204 kernel: [    0.879802] [drm] Initialized drm 1.1.0 20060810

That's what I'm going to dig next. Thank you very much again for your time and patience.


Best,

Seva


23.09.2016, 12:33, "Weng, Chuanbo" <chuanbo.weng at intel.com>:
> Hi Seva,
>         What Rong means is that Beignet will try to open drm device 
> exposed in /dev/dri/ (Actually, In non-X environment, Beignet will try 
> to open render node such as /dev/dri/renderD128, if failed it will then try to open prime primary node such as /dev/dri/card0).
>         Beignet can run on DRM mode, but you should better be a root user.
>         You can try to run utest as suggested by Rong, and report the message to us (if running utest failed).
>         I strongly suggest you take a look at README.md, which 
> includes many basic info of Beignet usage. : )
>
> Thanks,
> Chuanbo Weng
>
> -----Original Message-----
> From: Beignet [mailto:beignet-bounces at lists.freedesktop.org] On Behalf 
> Of Seva Gluschenko
> Sent: Friday, September 23, 2016 4:57 PM
> To: beignet at lists.freedesktop.org
> Subject: Re: [Beignet] few questions on Beignet-OpenCL-ICD v1.2.0 
> regarding X11 and kernel patches
>
> Thank you very much for the hint. So, in fact, even though I succeeded in compiling Beignet without X, I still need X to run it because DRI is only available with X? No chance to use DRM or DirectFB?
>
> 23.09.2016, 06:12, "Yang, Rong R" <rong.r.yang at intel.com>:
>>  There is only beignet-opencl-icd's output, can't find the error message from beignet, can you try beignet's utest directly?
>>  To run utest, you need "make utest", then run ". ./utests/setenv.sh" and at last " ./utests/utest_run".
>>
>>  It seems open device failed, can you also list the device under /dev/dri?
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