Dear Maintainer,
after upgrading from bullseye to bookworm, X fails to start, showing this backtrace:
[ 303.231] (EE) Backtrace:
[ 303.231] (EE) 0: /usr/lib/xorg/Xorg (OsLookupColor+0x139) [0x555767c1cd29]
[ 303.231] (EE) 1: /lib/x86_64-linux-gnu/libc.so.6 (__sigaction+0x40) [0x7fddc125afd0]
[ 303.232] (EE) 2: /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so (nouveau_drm_screen_create+0x4406c) [0x7fddbf56c2fc]
[ 303.232] (EE) 3: /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so (nouveau_drm_screen_create+0x1e4c9) [0x7fddbf546759]
[ 303.232] (EE) 4: /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so (nouveau_drm_screen_create+0x266) [0x7fddbf5284f6]
[ 303.232] (EE) unw_get_proc_name failed: no unwind info found [-10]
[ 303.232] (EE) 5: /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so (?+0x0) [0x7fddbecaaf76]
[ 303.232] (EE) 6: /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so (__driDriverGetExtensions_d3d12+0x61dab4) [0x7fddbf2c8ff4]
[ 303.232] (EE) 7: /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so (__driDriverGetExtensions_d3d12+0x1a93) [0x7fddbecacfd3]
[ 303.232] (EE) 8: /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so (__driDriverGetExtensions_d3d12+0xa1a5) [0x7fddbecb56e5]
[ 303.233] (EE) 9: /lib/x86_64-linux-gnu/libgbm.so.1 (gbm_format_get_name+0xf2e) [0x7fddc0bdbeae]
[ 303.233] (EE) 10: /lib/x86_64-linux-gnu/libgbm.so.1 (gbm_format_get_name+0x16f8) [0x7fddc0bdc678]
[ 303.233] (EE) unw_get_proc_name failed: no unwind info found [-10]
[ 303.233] (EE) 11: /lib/x86_64-linux-gnu/libgbm.so.1 (?+0x0) [0x7fddc0bda74c]
[ 303.233] (EE) 12: /lib/x86_64-linux-gnu/libgbm.so.1 (gbm_create_device+0x44) [0x7fddc0bda884]
[ 303.234] (EE) 13: /usr/lib/xorg/modules/libglamoregl.so (glamor_egl_init+0x61) [0x7fddc08ab3c1]
[ 303.234] (EE) unw_get_proc_name failed: no unwind info found [-10]
[ 303.234] (EE) 14: /usr/lib/xorg/modules/drivers/modesetting_drv.so (?+0x0) [0x7fddc08e4733]
[ 303.234] (EE) 15: /usr/lib/xorg/Xorg (InitOutput+0x952) [0x555767aec4c2]
[ 303.234] (EE) 16: /usr/lib/xorg/Xorg (InitFonts+0x1ce) [0x555767aad4de]
[ 303.234] (EE) 17: /lib/x86_64-linux-gnu/libc.so.6 (__libc_init_first+0x8a) [0x7fddc12461ca]
[ 303.235] (EE) 18: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0x85) [0x7fddc1246285]
[ 303.235] (EE) 19: /usr/lib/xorg/Xorg (_start+0x21) [0x555767a96b71]
[ 303.235] (EE)
[ 303.235] (EE) Segmentation fault at address 0x20
For crosschecking I installed the nvidia-driver pkg, with this the X server is
working without issues again so far.