https://bugs.kde.org/show_bug.cgi?id=363778
Bug ID: 363778 Summary: logout effect fails to compile shader Product: kwin Version: 5.6.4 Platform: Gentoo Packages OS: Linux Status: UNCONFIRMED Severity: normal Priority: NOR Component: effects-various Assignee: kwin-bugs-n...@kde.org Reporter: seraf...@gmail.com When logout/shustdown/reboot is triggered for the first time since boot, Jun 01 10:13:41 ged kwin_x11[601]: libkwinglutils: Failed to compile fragment shader: "0:13(12): error: no matching function for call to `smoothstep(int, float, float)'; candidates are:\n0:13(12): error: float smoothstep(float, float, float)\n0:13(12): error: vec2 smoothstep(float, float, vec2)\n0:13(12): error: vec3 smoothstep(float, float, vec3)\n0:13(12): error: vec4 smoothstep(float, float, vec4)\n0:13(12): error: vec2 smoothstep(vec2, vec2, vec2)\n0:13(12): error: vec3 smoothstep(vec3, vec3, vec3)\n0:13(12): error: vec4 smoothstep(vec4, vec4, vec4)\n\x00" Jun 01 10:13:41 ged kwin_x11[601]: libkwinglutils: Failed to link shader: "error: program lacks a fragment shader\n\x00" Appears in the log. I have no idea if it's in kwin, or in the graphics driver, so I'm starting here. GPU is Radeon HD6950, driver is r600g on mesa 11.2.2. OpenGl 3.1 rendering backend. Reproducible: Always Steps to Reproduce: 1. Boot, login 2. Watch journal 3. click logout -- You are receiving this mail because: You are watching all bug changes.