On 2021-09-18 09:19, Marek Olšák wrote: > Hi, > > Printing the backtrace fromsi_flush_gfx_cs while /etc/environment contains GALLIUM_THREAD=0 at boot should show which GL call and X call caused the flush. That will most likely be glFlush in (_)glamor_block_handler, or maybe in glamor_sync_fence_set_triggered. The former do not get called directly from the X11 request handler which triggers the drawing. I suggest e.g. st_draw_gallium instead. -- Earthling Michel Dänzer | https://redhat.com Libre software enthusiast | Mesa and X developer
