Comment # 6 on bug 1226725 from Stefan Dirsch

Ok. I see a regression for s390x on Xvnc between 240.9 and Mesa 24.1.1

Mesa 24.1.1

$ glxinfo -B
name of display: :0
Mesa 24.1.1 implementation error: Unexpected format PIPE_FORMAT_X8B8G8R8_SRGB
in st_new_renderbuffer_fb
Please report at https://gitlab.freedesktop.org/mesa/mesa/-/issues
Error: unable to load GL functions

Mesa 24.0.9

$ glxinfo -B
name of display: :0
display: :0  screen: 0
direct rendering: Yes
Extended renderer info (GLX_MESA_query_renderer):
    Vendor: Mesa (0xffffffff)
    Device: llvmpipe (LLVM 18.1.6, 128 bits) (0xffffffff)
    Version: 24.0.9
    Accelerated: no
    Video memory: 1747MB
    Unified memory: yes
    Preferred profile: core (0x1)
    Max core profile version: 4.5
    Max compat profile version: 4.5
    Max GLES1 profile version: 1.1
    Max GLES[23] profile version: 3.2
Memory info (GL_ATI_meminfo):
    VBO free memory - total: 4292874677 MB, largest block: 4292874677 MB
    VBO free aux. memory - total: 1510 MB, largest block: 1510 MB
    Texture free memory - total: 4292874677 MB, largest block: 4292874677 MB
    Texture free aux. memory - total: 1510 MB, largest block: 1510 MB
    Renderbuffer free memory - total: 4292874677 MB, largest block: 4292874677
MB
    Renderbuffer free aux. memory - total: 1510 MB, largest block: 1510 MB
Memory info (GL_NVX_gpu_memory_info):
    Dedicated video memory: 0 MB
    Total available memory: 1748 MB
    Currently available dedicated video memory: 4292874677 MB
OpenGL vendor string: Mesa
OpenGL renderer string: llvmpipe (LLVM 18.1.6, 128 bits)
OpenGL core profile version string: 4.5 (Core Profile) Mesa 24.0.9
OpenGL core profile shading language version string: 4.50
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile

OpenGL version string: 4.5 (Compatibility Profile) Mesa 24.0.9
OpenGL shading language version string: 4.50
OpenGL context flags: (none)
OpenGL profile mask: compatibility profile

OpenGL ES profile version string: OpenGL ES 3.2 Mesa 24.0.9
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.20