| Bug ID | 104762 |
|---|---|
| Summary | Various segfaults/problems in qt/plasma |
| Product | Mesa |
| Version | git |
| Hardware | Other |
| OS | All |
| Status | NEW |
| Severity | normal |
| Priority | medium |
| Component | Drivers/Gallium/radeonsi |
| Assignee | dri-devel@lists.freedesktop.org |
| Reporter | haagch@frickel.club |
| QA Contact | dri-devel@lists.freedesktop.org |
Created attachment 136931 [details] mostly useless gdb backtrace I think it's related to the series that ended with this commit "st/glsl_to_tgsi: add ARB_get_program_binary support using TGSI" https://cgit.freedesktop.org/mesa/mesa/commit/?id=a20016d8277f9cd68620784417a57ae227783a04 but I have to try around a bit more. It doesn't always happen. I think it's related to the shader cache. Sometimes deleting the shader cache helps, sometimes it doesn't. I think MESA_EXTENSION_OVERRIDE=-GL_ARB_get_program_binary helps. Usually export LD_LIBRARY_PATH=... LIBGL_DRIVERS_PATH=... to another mesa build, starting the application once and then starting it with the system mesa again helps. It could be related to mesa first deleting the other shader cache before making a new one. Some weird race condition? Applications I've seen affected: sddm-greeter (segfaulting) plasmashell (segfaulting systemsettings (rendering black window content, segfaulting) krunner (rendering breaking, segfaulting) As far as I can tell it doesn't happen with mesa debug builds... More investigation is needed.
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