In 5.4 the viewing tool does not work all the time. Sometimes it opens, but mostly not - which is verz annoying…
The console says:
ros2 run ros2_callback_visualiser analise_trace_calback_function.py
found converted file: /home/user/.ros/tracing/callback_function/converted
[100%] [Ros2Handler]
CALLBACK SYMBOLS ================
{140053891969792: ‘RobotStatus.timer_counter’, 140053891906048: ‘RobotStatus.main_task’}
user:~/ros2_ws$ [GFX1-]: glxtest: ManageChildProcess failed
[GFX1-]: glxtest: libpci missing
[GFX1-]: glxtest: X error, error_code=10, request_code=150, minor_code=5
[Parent 15825, Main Thread] WARNING: Failed to create DBus proxy for org.a11y.Bus: Failed to close file descriptor for child process (Operation not permitted)
: ‘glib warning’, file /build/firefox-wtiVVa/firefox-131.0+build1/toolkit/xre/nsSigHandlers.cpp:187
** (firefox:15825): WARNING **: 11:13:57.890: Failed to create DBus proxy for org.a11y.Bus: Failed to close file descriptor for child process (Operation not permitted)
[Parent 15825, Main Thread] WARNING: Error loading theme icon ‘dialog-warning’ for stock: Icon ‘dialog-warning’ not present in theme Yaru: ‘glib warning’, file /build/firefox-wtiVVa/firefox-131.0+build1/toolkit/xre/nsSigHandlers.cpp:187
(firefox:15825): Gtk-WARNING **: 11:13:57.943: Error loading theme icon ‘dialog-warning’ for stock: Icon ‘dialog-warning’ not present in theme Yaru
ALSA lib confmisc.c:855:(parse_card) cannot find card ‘0’
ALSA lib conf.c:5178:(_snd_config_evaluate) function snd_func_card_inum returned error: No such file or directory
ALSA lib confmisc.c:422:(snd_func_concat) error evaluating strings
ALSA lib conf.c:5178:(_snd_config_evaluate) function snd_func_concat returned error: No such file or directory
ALSA lib confmisc.c:1334:(snd_func_refer) error evaluating name
ALSA lib conf.c:5178:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
ALSA lib conf.c:5701:(snd_config_expand) Evaluate error: No such file or directory
ALSA lib pcm.c:2664:(snd_pcm_open_noupdate) Unknown PCM default