Similar problem with the new mesa:
MESA-LOADER: failed to open crocus: /usr/lib/dri/crocus_dri.so: undefined symbol: amdgpu_va_get_start_addr (search paths /usr/lib/dri, suffix _dri)
failed to load driver: crocus
MESA-LOADER: failed to open crocus: /usr/lib/dri/crocus_dri.so: undefined symbol: amdgpu_va_get_start_addr (search paths /usr/lib/dri, suffix _dri)
failed to load driver: crocus
MESA-LOADER: failed to open swrast: /usr/lib/dri/swrast_dri.so: undefined symbol: amdgpu_va_get_start_addr (search paths /usr/lib/dri, suffix _dri)
failed to load driver: swrast
WebEngineContext used before QtWebEngine::initialize() or OpenGL context creation failed.
QGLXContext: Failed to create dummy context
Failed to create OpenGL context for format QSurfaceFormat(version 2.0, options QFlags<QSurfaceFormat::FormatOption>(), depthBufferSize 24, redBufferSize -1, greenBufferSize -1, blueBufferSize -1, alphaBufferSize -1, stencilBufferSize 8, samples 0, swapBehavior QSurfaceFormat::DefaultSwapBehavior, swapInterval 1, colorSpace QSurfaceFormat::DefaultColorSpace, profile QSurfaceFormat::NoProfile)
I downgraded to :
mesa-1:23.3.5-1
and all is working, my CPU is an intel i3-2120 quite old but...
Kind Regards
Carlo D.