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[INFO] [launch]: All log files can be found below /home/vis/.ros/log/2023-08-07-14-44-57-881464-vis-desktop-2479
[INFO] [launch]: Default logging verbosity is set to INFO
[INFO] [mpu9250-1]: process started with pid [2480]

under this written nothing, could anyone help me to understand it?

First, thank, you. This is the first node that work out of the box.
Now, I've try to comment Kalman and uncomment Madgwick but error occur... I would like to try madgwick beacouse imu response in a little shacking in rviz visualization... can you try Madgwick filter?
Now I've solder on my robot, the imu it isn't fisic on plane and is positioned vertical, in rviz is in different position too....I need to calibrate sensor to take the turning on position ad zero... but I can't understand the source (niru-5/imusensor), can you help me to do this? very thanks

I have installed ubuntu 22.04 and ros2 humble on Raspberry Pi 4, and I want to get IMU data but I encountered to this error

[INFO] [launch]: All log files can be found below /home/vis/.ros/log/2023-07-27-18-38-27-728902-vis-desktop-10483
[INFO] [launch]: Default logging verbosity is set to INFO
[INFO] [mpu9250-1]: process started with pid [10485]
[mpu9250-1] Traceback (most recent call last):
[mpu9250-1] File "/home/vis/Desktop/mpu9250/install/mpu9250/lib/mpu9250/mpu9250", line 33, in
[mpu9250-1] sys.exit(load_entry_point('mpu9250', 'console_scripts', 'mpu9250')())
[mpu9250-1] File "/home/vis/Desktop/mpu9250/build/mpu9250/mpu9250/mpu9250.py", line 114, in main
[mpu9250-1] node = MyPythonNode()
[mpu9250-1] File "/home/vis/Desktop/mpu9250/build/mpu9250/mpu9250/mpu9250.py", line 43, in init
[mpu9250-1] bus = smbus.SMBus(self.get_parameter('i2c_port')._value)
[mpu9250-1] PermissionError: [Errno 13] Permission denied
[ERROR] [mpu9250-1]: process has died [pid 10485, exit code 1, cmd '/home/vis/Desktop/mpu9250/install/mpu9250/lib/mpu9250/mpu9250 --ros-args -r __node:=mpu9250 --params-file /tmp/launch_params_z_fxljjc'].