# Gazebo not loading **URL:** \ **Category:** PX4 Autopilot\ **Created:** [July 16, 2024, 6:31pm UTC](https://discuss.px4.io/t/gazebo-not-loading/39733 "2024-07-16T18:31:16Z")\ **Posts on this page:** 5\ **Page:** 1
**Author:** ![unclegueralt](https://discuss.px4.io/letter_avatar_proxy/v4/letter/u/bb73d2/32.png) [@unclegueralt](https://discuss.px4.io/u/unclegueralt)\ **Post date:** [July 16, 2024, 6:31pm UTC](https://discuss.px4.io/t/gazebo-not-loading/39733/1 "2024-07-16T18:31:17Z")
Hi Everyone, I hope you are doing fine. I have been googling, reading forums and talking to people on discord but i cannot solve this. I try to run gazebo simulation for the first time but I have been having issues. This is the error I get, could you please guide me in the right direction? what am I missing here. px4 starting. INFO [px4] startup script: /bin/sh etc/init.d-posix/rcS 0 INFO [init] found model autostart file as SYS\_AUTOSTART=4001 INFO [param] selected parameter default file parameters.bson INFO [param] importing from ‘parameters.bson’ INFO [parameters] BSON document size 496 bytes, decoded 496 bytes (INT32:15, FLOAT:9) INFO [param] selected parameter backup file parameters\_backup.bson SYS\_AUTOCONFIG: curr: 0 → new: 1 - SYS\_AUTOSTART: curr: 10017 → new: 4001 SENS\_BOARD\_X\_OFF: curr: 0.0000 → new: 0.0000 SENS\_DPRES\_OFF: curr: 0.0000 → new: 0.0010 INFO [dataman] data manager file ‘./dataman’ size is 7872608 bytes INFO [init] Gazebo simulator INFO [init] starting gazebo with world: /home/nigh/Desktop/PX4-Autopilot/Tools/simulation/gz/worlds/default.sdf WARN [init] PX4\_GZ\_MODEL\_POSE not set, spawning at origin. INFO [gz\_bridge] world: default, model name: x500\_0, simulation model: x500 INFO [gz\_bridge] Requested Model Position: 0,0,0,0,0,0 INFO [gz\_bridge] Model position z is less or equal 0.0, moving upwards qt.qpa.plugin: Could not find the Qt platform plugin “wayland” in “” ERROR [gz\_bridge] Service call timed out. Check GZ\_SIM\_RESOURCE\_PATH is set correctly. ERROR [gz\_bridge] Task start failed (-1) ERROR [init] gz\_bridge failed to start and spawn model ERROR [px4] Startup script returned with return value: 256 ---
**Author:** ![Gson-glitch](https://discuss.px4.io/user_avatar/discuss.px4.io/gson-glitch/32/17087_2.png) [@Gson-glitch](https://discuss.px4.io/u/Gson-glitch)\ **Post date:** [August 22, 2024, 7:50am UTC](https://discuss.px4.io/t/gazebo-not-loading/39733/2 "2024-08-22T07:50:47Z")
@unclegueralt Hi, I think the error you’re facing is related to the `GZ_SIM_RESOURCE_PATH` variable not set correctly. You can try setting it by running: ```auto export GZ_SIM_RESOURCE_PATH=~/Desktop/PX4-Autopilot/Tools/simulation/gz/models:~/Desktop/PX4-Autopilot/Tools/simulation/gz/worlds ``` ---
**Author:** ![Muhammad-Usman](https://discuss.px4.io/user_avatar/discuss.px4.io/muhammad-usman/32/17253_2.png) [@Muhammad-Usman](https://discuss.px4.io/u/Muhammad-Usman)\ **Post date:** [October 6, 2024, 1:07pm UTC](https://discuss.px4.io/t/gazebo-not-loading/39733/3 "2024-10-06T13:07:33Z")
i trued but its not working ---
**Author:** ![Muhammad-Usman](https://discuss.px4.io/user_avatar/discuss.px4.io/muhammad-usman/32/17253_2.png) [@Muhammad-Usman](https://discuss.px4.io/u/Muhammad-Usman)\ **Post date:** [October 7, 2024, 10:43am UTC](https://discuss.px4.io/t/gazebo-not-loading/39733/4 "2024-10-07T10:43:50Z")
/PX4-Autopilot$ make px4\_sitl gz\_x500 [0/1] cd /home/usmannoor/PX4-Autopilot…topilot/build/px4\_sitl\_default/bin/px4 * * * | \_\_\_ \ \ \ / / / | | |_/ / \ V / / /| | | \_\_/ / \ / /_| | | | / /^\ \ \_\_\_ | \_| / / |\_/ px4 starting. INFO [px4] startup script: /bin/sh etc/init.d-posix/rcS 0 INFO [init] found model autostart file as SYS\_AUTOSTART=4001 INFO [param] selected parameter default file parameters.bson INFO [param] selected parameter backup file parameters\_backup.bson SYS\_AUTOCONFIG: curr: 0 → new: 1 SYS\_AUTOSTART: curr: 0 → new: 4001 CAL\_ACC0\_ID: curr: 0 → new: 1310988 CAL\_GYRO0\_ID: curr: 0 → new: 1310988 CAL\_ACC1\_ID: curr: 0 → new: 1310996 CAL\_GYRO1\_ID: curr: 0 → new: 1310996 CAL\_ACC2\_ID: curr: 0 → new: 1311004 CAL\_GYRO2\_ID: curr: 0 → new: 1311004 CAL\_MAG0\_ID: curr: 0 → new: 197388 CAL\_MAG0\_PRIO: curr: -1 → new: 50 CAL\_MAG1\_ID: curr: 0 → new: 197644 CAL\_MAG1\_PRIO: curr: -1 → new: 50 SENS\_BOARD\_X\_OFF: curr: 0.0000 → new: 0.0000 SENS\_DPRES\_OFF: curr: 0.0000 → new: 0.0010 INFO [dataman] data manager file ‘./dataman’ size is 7872608 bytes INFO [init] Gazebo simulator INFO [init] starting gazebo with world: /home/usmannoor/PX4-Autopilot/Tools/simulation/gz/worlds/default.sdf WARN [init] PX4\_GZ\_MODEL\_POSE not set, spawning at origin. INFO [gz\_bridge] world: default, model name: x500\_0, simulation model: x500 INFO [gz\_bridge] Requested Model Position: 0,0,0,0,0,0 INFO [gz\_bridge] Model position z is less or equal 0.0, moving upwards Warning: Ignoring XDG\_SESSION\_TYPE=wayland on Gnome. Use QT\_QPA\_PLATFORM=wayland to run on Wayland anyway. ERROR [gz\_bridge] Service call timed out. Check GZ\_SIM\_RESOURCE\_PATH is set correctly. ERROR [gz\_bridge] Task start failed (-1) ERROR [init] gz\_bridge failed to start and spawn model ERROR [px4] Startup script returned with return value: 256 ^Cninja: build stopped: interrupted by user. make: \*\*\* [Makefile:232: px4\_sitl] Interrupt ---
**Author:** ![Daniel\_Molina](https://discuss.px4.io/user_avatar/discuss.px4.io/daniel_molina/32/17640_2.png) [@Daniel\_Molina](https://discuss.px4.io/u/Daniel_Molina)\ **Post date:** [October 24, 2024, 9:15am UTC](https://discuss.px4.io/t/gazebo-not-loading/39733/5 "2024-10-24T09:15:27Z")
Although my logs still say that i need to check my GZ\_SIM\_RESOURCE\_PATH, I have been able to successfully launch the sim by disabling my firewall using the suggestion found [here](https://github.com/gazebosim/gz-sim/issues/1879#issuecomment-1531748276)