MESA-LOADER: failed to open nouveau: /usr/lib/dri/nouveau_dri.so: 无法打开共享对象文件: 没有那个文件或目录 (search paths /usr/lib/x86_64-linux-gnu/dri:$${ORIGIN}/dri:/usr/lib/dri, suffix _dri)
failed to load driver: nouveau
MESA-LOADER: failed to open nouveau: /usr/lib/dri/nouveau_dri.so: 无法打开共享对象文件: 没有那个文件或目录 (search paths /usr/lib/x86_64-linux-gnu/dri:$${ORIGIN}/dri:/usr/lib/dri, suffix _dri)
failed to load driver: nouveau
MESA-LOADER: failed to open swrast: /usr/lib/dri/swrast_dri.so: 无法打开共享对象文件: 没有那个文件或目录 (search paths /usr/lib/x86_64-linux-gnu/dri:$${ORIGIN}/dri:/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 QFlagsQSurfaceFormat::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)

没升级之前偶尔也打不开。多数情况能打开。

用的人有点少自己有搜索半天没找到原因。