Re: 11-BETA, WebGL, modesetting and Radeon HD-5450: breaks X

On Mon 13 Oct 2025 at 08:13:50 +1300, Lloyd Parkes wrote:
> On 13/10/2025 06:27, Robert Swindells wrote:
> > What is in the /dev/dri directory?
> > 
> > It should be:
> > card0      card2      renderD128 renderD130
> > card1      card3      renderD129 renderD131
> 
> The card[0-3] device nodes need to be writable by the logged in user.

Yes I have that in an unsafe manner... 0666...

> I have an ongoing issue where those device nodes keep getting set to 0640
> instead of 0660.
> 
> If you run "glxinfo -B" you will get a short(er) description of your current
> OpenGL configuration with a chance to see error messages at the top of the
> output.

On 10.1:

$ glxinfo -B
name of display: :0
Xlib: sequence lost (0x10018 > 0x1a) in reply type 0x0!
Xlib: sequence lost (0x1001d > 0x1f) in reply type 0x0!
Xlib: sequence lost (0x10022 > 0x24) in reply type 0x0!
display: :0  screen: 0
direct rendering: Yes
Extended renderer info (GLX_MESA_query_renderer):
    Vendor: X.Org (0x1002)
    Device: AMD CEDAR (DRM 2.50.0 / 10.1, LLVM 13.0.0) (0x68f9)
    Version: 19.1.17
    Accelerated: yes
    Video memory: 1024MB
    Unified memory: no
    Preferred profile: core (0x1)
    Max core profile version: 3.3
    Max compat profile version: 3.1
    Max GLES1 profile version: 1.1
    Max GLES[23] profile version: 3.1
Memory info (GL_ATI_meminfo):
    VBO free memory - total: 1023 MB, largest block: 1023 MB
    VBO free aux. memory - total: 1021 MB, largest block: 1021 MB
    Texture free memory - total: 1023 MB, largest block: 1023 MB
    Texture free aux. memory - total: 1021 MB, largest block: 1021 MB
    Renderbuffer free memory - total: 1023 MB, largest block: 1023 MB
    Renderbuffer free aux. memory - total: 1021 MB, largest block: 1021 MB
Memory info (GL_NVX_gpu_memory_info):
    Dedicated video memory: 1024 MB
    Total available memory: 2045 MB
    Currently available dedicated video memory: 1023 MB
OpenGL vendor string: X.Org
OpenGL renderer string: AMD CEDAR (DRM 2.50.0 / 10.1, LLVM 13.0.0)
OpenGL core profile version string: 3.3 (Core Profile) Mesa 19.1.17
OpenGL core profile shading language version string: 3.30
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile

OpenGL version string: 3.1 Mesa 19.1.17
OpenGL shading language version string: 1.40
OpenGL context flags: (none)

OpenGL ES profile version string: OpenGL ES 3.1 Mesa 19.1.17
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.10

On test box (now installed again with 11-BETA):

$ glxinfo -B
name of display: :10
display: :10  screen: 0
direct rendering: Yes
Extended renderer info (GLX_MESA_query_renderer):
    Vendor: X.Org (0x1002)
    Device: AMD CEDAR (DRM 2.50.0 / 11.0_BETA, LLVM 13.0.0) (0x68f9)
    Version: 21.3.7
    Accelerated: yes
    Video memory: 1024MB
    Unified memory: no
    Preferred profile: core (0x1)
    Max core profile version: 3.3
    Max compat profile version: 3.1
    Max GLES1 profile version: 1.1
    Max GLES[23] profile version: 3.1
Memory info (GL_ATI_meminfo):
    VBO free memory - total: 1023 MB, largest block: 1023 MB
    VBO free aux. memory - total: 1021 MB, largest block: 1021 MB
    Texture free memory - total: 1023 MB, largest block: 1023 MB
    Texture free aux. memory - total: 1021 MB, largest block: 1021 MB
    Renderbuffer free memory - total: 1023 MB, largest block: 1023 MB
    Renderbuffer free aux. memory - total: 1021 MB, largest block: 1021 MB
Memory info (GL_NVX_gpu_memory_info):
    Dedicated video memory: 1024 MB
    Total available memory: 2045 MB
    Currently available dedicated video memory: 1023 MB
OpenGL vendor string: X.Org
OpenGL renderer string: AMD CEDAR (DRM 2.50.0 / 11.0_BETA, LLVM 13.0.0)
OpenGL core profile version string: 3.3 (Core Profile) Mesa 21.3.7
OpenGL core profile shading language version string: 3.30
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile

OpenGL version string: 3.1 Mesa 21.3.7
OpenGL shading language version string: 1.40
OpenGL context flags: (none)

OpenGL ES profile version string: OpenGL ES 3.1 Mesa 21.3.7
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.10

which is nearly the same. Mesa is newer, and "Xlib: sequence lost (0x10018 >
0x1a) in reply type 0x0!" is missing.

But general openGL things seem to work on 10.1 even if Firefox complains
about that "render node".

> Ng? mihi,
> Lloyd
-Olaf.
-- 
___ Olaf 'Rhialto' Seibert                            <rhialto/at/falu.nl>
\X/ There is no AI. There is just someone else's work.           --I. Rose

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