Lubuntu plucky 20250303 booted LIVE on thinkpad sl510
requested command is
lubuntu@lubuntu:~$ glxinfo -B
name of display: :0
display: :0 screen: 0
direct rendering: Yes
Extended renderer info (GLX_MESA_query_renderer):
Vendor: Intel (0x8086)
Device: Mesa Mobile Intel® GM45 Express Chipset (CTG) (0x2a42)
Version: 24.3.4
Accelerated: yes
Video memory: 1536MB
Unified memory: yes
Preferred profile: compat (0x2)
Max core profile version: 0.0
Max compat profile version: 2.1
Max GLES1 profile version: 1.1
Max GLES[23] profile version: 2.0
OpenGL vendor string: Intel
OpenGL renderer string: Mesa Mobile Intel® GM45 Express Chipset (CTG)
OpenGL version string: 2.1 Mesa 24.3.4-3ubuntu1
OpenGL shading language version string: 1.20
OpenGL ES profile version string: OpenGL ES 2.0 Mesa 24.3.4-3ubuntu1
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 1.0.16
picom on execution gives the following
lubuntu@lubuntu:~$ picom
[ 03/04/25 04:19:55.051 sanitize_options ERROR ] Backend not specified. You
must choose one explicitly. Valid ones are:
[ 03/04/25 04:19:55.058 sanitize_options ERROR ] glx
[ 03/04/25 04:19:55.058 sanitize_options ERROR ] egl
[ 03/04/25 04:19:55.058 sanitize_options ERROR ] xrender
[ 03/04/25 04:19:55.058 sanitize_options ERROR ] dummy
[ 03/04/25 04:19:55.058 session_init FATAL ERROR ] Failed to get configuration,
usually mean you have specified invalid options.
[ 03/04/25 04:19:55.058 main FATAL ERROR ] Failed to create new session.
however no CRASH file in /var/crash
adding backend="glx"
lubuntu@lubuntu:~$ cat >~/.config/picom.conf
backend = "glx";
lubuntu@lubuntu:~$ picom
[ 03/04/25 04:23:07.663 x_handle_error WARN ] Stray X error: X error 167
GLX_BAD_FB_CONFIG request 152 minor 0 serial 126
[ 03/04/25 04:23:07.663 glx_init ERROR ] Failed to get GLX context.
picom: ../src/dispatch_common.c:872: epoxy_get_proc_address: Assertion `0 &&
"Couldn't find current GLX or EGL context.\n"' failed.
Aborted (core dumped)
lubuntu@lubuntu:~$ ls -lah /var/crash/
total 52K
drwxrwsrwt 1 root whoopsie 60 Mar 4 04:23 .
drwxr-xr-x 1 root root 200 Mar 4 04:11 ..
-rw-r----- 1 lubuntu whoopsie 50K Mar 4 04:23 _usr_bin_picom.1000.crash
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https://bugs.launchpad.net/bugs/2100464
Title:
picom crashes - lubuntu plucky daily live with wxl requested conf
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