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D457 camera driver restarting

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Pavel Butov

Hi,

Is it possible to restart the D457 camera driver on Ubuntu (GMSL mode) without rebooting the system?

After a short power loss, the camera becomes unavailable and doesn't show up when I run rs-enumerate-devices. So I can't use hardware_reset. I suspect this is because the camera needs to be initialized via I2C or a similar method during the system boot process.

Is there a way to re-initialize the camera without having to reboot the system?

Thank you.

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  • MartyG

    Hi Pavel Butov  Does the camera become detectable if you unload and then reload the uvcvideo module, please?

     sudo modprobe -r uvcvideo && sudo modprobe uvcvideo
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  • Pavel Butov

    No, It doesn't work for me. See the screenshot attached.

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  • MartyG

    I do not have an alternative suggestion for resetting a non-USB camera GMSL camera connection with a command if hardware_reset is not usable, unfortunately. I do apologize.

     

    If the camera had been on a USB connection then there would have been the option of resetting the entire USB port with an Ubuntu bash script so that the non-detection status of the camera would not matter.

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