Application: KWin (kwin_gles), signal: Segmentation fault [KCrash Handler] #6 0x00007f5cf96e8b47 in nv50_screen_fence_update (pscreen=0x173bb40) at nv50_screen.c:273 #7 0x00007f5cf972aa03 in nouveau_fence_update (screen=0x173bb40, flushed=1 '\001') at nouveau_fence.c:142 #8 0x00007f5cf96eaa0b in nv50_default_flush_notify (chan=) at nv50_context.c:68 #9 0x00007f5cf9101595 in nouveau_pushbuf_flush () from /usr/lib64/libdrm_nouveau.so.1 #10 0x00007f5cf9101892 in nouveau_grobj_free () from /usr/lib64/libdrm_nouveau.so.1 #11 0x00007f5cf96e8d1e in nv50_screen_destroy (pscreen=0x173bb40) at nv50_screen.c:235 #12 0x00007f5cf96a70d0 in dri_destroy_screen_helper (screen=0x172bd00) at dri_screen.c:352 #13 0x00007f5cf96a7160 in dri_destroy_screen (sPriv=0x172bad0) at dri_screen.c:362 #14 0x00007f5cf96a3180 in driDestroyScreen (psp=0x172bad0) at ../../../../src/mesa/drivers/dri/common/dri_util.c:732 #15 0x00007f5d03c5196b in dri2_terminate (drv=, disp=0x1613150) at egl_dri2.c:582 #16 0x00007f5d03c49bad in eglTerminate (dpy=0x1613150) at eglapi.c:351 #17 0x00007f5d048dec56 in KWin::CompositingPrefs::deleteEGLContext (this=0x7fff4c71f870) at /home/Philipp/Downloads/kde-workspace2/kwin/compositingprefs.cpp:366 #18 0x00007f5d048def04 in KWin::CompositingPrefs::detect (this=0x7fff4c71f870) at /home/Philipp/Downloads/kde-workspace2/kwin/compositingprefs.cpp:173 #19 0x00007f5d0486cc85 in KWin::Options::reloadCompositingSettings (this=0x175fd40, force=) at /home/Philipp/Downloads/kde-workspace2/kwin/options.cpp:313 #20 0x00007f5d048711d4 in KWin::Options::updateSettings (this=0x175fd40) at /home/Philipp/Downloads/kde-workspace2/kwin/options.cpp:256 #21 0x00007f5d0486a434 in KWin::Application::Application (this=0x7fff4c720da0) at /home/Philipp/Downloads/kde-workspace2/kwin/main.cpp:319 #22 0x00007f5d0486c12b in kdemain (argc=, argv=) at /home/Philipp/Downloads/kde-workspace2/kwin/main.cpp:495 #23 0x0000003f7a62139d in __libc_start_main () from /lib64/libc.so.6 #24 0x0000000000400899 in _start ()