# voxl-camera-server

Source: https://forum.modalai.com/topic/547/voxl-camera-server
Category: General Questions (https://forum.modalai.com/category/2/general-questions)
Posted: 2021-11-08 13:09:42 UTC by Jonathan Jeff
Replies: 7 · Views: 1843

## Jonathan Jeff · 2021-11-08 13:09:42 UTC

![Untitled.png](https://forum.modalai.com/assets/uploads/files/1636376904299-untitled.png) 
my camera is broken and i am getting this error.

## Reply by Guest · 2021-11-08 17:15:35 UTC

what does ```journalctl -u voxl-camera-server``` say

## Reply by Jonathan Jeff · 2021-11-09 09:33:30 UTC (in reply to Guest)

@Alex-Gardner ![Untitled1.png](https://forum.modalai.com/assets/uploads/files/1636450281978-untitled1.png) 
I can't find what is causing the problem.

## Reply by Guest · 2021-11-09 16:40:50 UTC

can you run camera server manually in the terminal with all debug prints enabled ie ```voxl-camera-server -d 0```

## Reply by Jonathan Jeff · 2021-12-07 07:54:39 UTC (in reply to Jonathan Jeff)

@Jonathan-Jeff Sorry for my late reply, unfortunately I noticed that the cable broke.

## Reply by VOXL Flight · 2022-06-27 16:12:22 UTC

@Alex-Gardner 

Hi Alex,

I have the same issue, but I have output of `journalctl -u voxl-camera-server` as shown below

```
Jan 01 00:57:14 apq8096 bash[1968]: There is a chance that it may segfault here, this is a mmqcamera bug, ignore it
Jan 01 00:57:14 apq8096 bash[1968]: ------ voxl-camera-server INFO: Stopping tracking camera
Jan 01 00:57:14 apq8096 bash[1968]: ------ voxl-camera-server INFO: tracking camera stopped successfully
Jan 01 00:57:14 apq8096 bash[1968]: ------ voxl-camera-server INFO: Stopping tof camera
Jan 01 00:57:14 apq8096 bash[1968]: Fault address: 0x68
Jan 01 00:57:14 apq8096 bash[1968]: Address not mapped.
Jan 01 00:57:14 apq8096 systemd[1]: [[1;39mvoxl-camera-server.service: Main process exited, code=killed, status=11/SEGV[[0m
Jan 01 00:57:14 apq8096 systemd[1]: [[1;39mvoxl-camera-server.service: Unit entered failed state.[[0m
Jan 01 00:57:14 apq8096 systemd[1]: [[1;39mvoxl-camera-server.service: Failed with result 'signal'.[[0m
Jan 01 01:01:56 apq8096 systemd[1]: Stopped voxl-camera-server.
Jan 01 01:01:56 apq8096 systemd[1]: Started voxl-camera-server.
Jan 01 01:01:57 apq8096 bash[3385]: ------ voxl-camera-server INFO: Camera server is now stopping
Jan 01 01:01:57 apq8096 bash[3385]: There is a chance that it may segfault here, this is a mmqcamera bug, ignore it
Jan 01 01:01:57 apq8096 bash[3385]: ------ voxl-camera-server INFO: Stopping tracking camera
Jan 01 01:01:57 apq8096 bash[3385]: ------ voxl-camera-server INFO: tracking camera stopped successfully
Jan 01 01:01:57 apq8096 bash[3385]: ------ voxl-camera-server INFO: Stopping tof camera
Jan 01 01:01:57 apq8096 bash[3385]: Fault address: 0x68
Jan 01 01:01:57 apq8096 bash[3385]: Address not mapped.
Jan 01 01:01:57 apq8096 systemd[1]: [[1;39mvoxl-camera-server.service: Main process exited, code=killed, status=11/SEGV[[0m
Jan 01 01:01:57 apq8096 systemd[1]: [[1;39mvoxl-camera-server.service: Unit entered failed state.[[0m
Jan 01 01:01:57 apq8096 systemd[1]: [[1;39mvoxl-camera-server.service: Failed with result 'signal'.[[0m

```

any advice?

## Reply by VOXL Flight · 2022-06-27 16:16:15 UTC

Output of `voxl-camera-server -d 0` is

```
.
.
.

------ voxl-camera-server INFO: Camera server is now stopping
		There is a chance that it may segfault here, this is a mmqcamera bug, ignore it

------ voxl-camera-server INFO: Stopping tracking camera
------ Result thread on camera: tracking recieved stop command, exiting
------ voxl-camera-server INFO: tracking camera stopped successfully

------ voxl-camera-server INFO: Stopping tof camera
Fault address: 0x68
Address not mapped.
Segmentation fault
```

## Reply by VOXL Flight · 2022-06-27 17:49:28 UTC

For your information,

```
voxl:~$ voxl-version 
cat: /etc/modalai/voxl-software-bundle-version.txt: No such file or directory
--------------------------------------------------------------------------------
system-image:    ModalAI 3.3.0 BUILDER: ekatzfey BUILD_TIME: 2021-06-06_19:28
kernel:          #1 SMP PREEMPT Sun Jun 6 19:41:01 UTC 2021 3.18.71-perf
factory-bundle:  1.0.1 (Yocto installation)
--------------------------------------------------------------------------------
architecture:    aarch64
processor:       apq8096
os:              GNU/Linux
--------------------------------------------------------------------------------
voxl-suite:
Package: voxl-suite
Version: 0.5.0
Depends: libjpeg_turbo (>= 9.0.4), libmodal_exposure (>= 0.0.2), libmodal_json (>= 0.3.6), libmodal_pipe (>= 2.1.1), librc_math (>= 1.1.5), libvoxl_cutils (>= 0.0.2), libvoxl_io (>= 0.5.4), mavlink-camera-manager (>= 0.0.2), mongoose (>= 7.3.0), opencv (>= 4.5.2-2), openmp (>= 10.0.2), voxl-camera-calibration (>= 0.1.1), voxl-camera-server (>= 0.8.1), voxl-cpu-monitor (>= 0.2.0), voxl-dfs-server (>= 0.2.2), voxl-docker-support (>= 1.1.3), voxl-gphoto2 (>= 0.0.5), voxl-imu-server (>= 0.9.1), voxl-mavlink (>= 0.0.2), voxl-modem (>= 0.12.0), voxl-mpa-tools (>= 0.3.6), voxl-nodes (>= 0.2.0), voxl-portal (>= 0.1.2), voxl-qvio-server (>= 0.3.4), voxl-streamer (>= 0.2.6), voxl-tag-detector (>= 0.0.2), voxl-tflite (>= 2.2.3), voxl-tflite-server (>= 0.1.5), voxl-utils (>= 0.8.4), voxl-vision-px4 (>= 0.9.5), voxl-vpn (>= 0.0.3)
Status: install user installed
Architecture: all
Installed-Time: 5549
```