Re: [Motion-user] Recording Skip

[Jack C. <chr...@gm...>]

Sounds similar to an issue I had. Motion was waiting for the 
on_movie_end script to end. Fixed by commit 035b1af.

See https://github.com/Motion-Project/motion/issues/1856

On 4/12/25 11:05, Barry Martin wrote:
>
>
> Hi!
>
> “Slightly” off-topic but involving my Motion cameras. Randomly the 
> recording will skip several seconds. There is motion going on, so 
> should record, but while the motion is occurring (and being recorded) 
> the video will skip several seconds: no grey, no pixelation, just as 
> if someone took scissors to the film (showing my age! <g>). Does not 
> occur constantly/consistently.
>
>
> Appears has something to do with either the WiFi (5G) between the 
> Motion units (so RF transmission/reception) and/or the actual 
> recording to the hard drive on the NAS. Looking for a clue how to 
> figure out and hopefully correct the problem. Yesterday checked and 
> the glitch occurred on two cameras with overlapping fields of view and 
> recording simultaneously:
>
> Unit #201 14:15:41 <skip> 14:16:25
>
> Unit #202 14:15:43 <skip> 14:16:25
>
>
> Nothing significant about the time; nobody near the Motion units nor 
> WiFi router, so not like someone walked in the RF path. LIS, the 
> glitch occurs randomly; just listed the times should the ~45 seconds 
> of missing recording have a potential troubleshooting meaning. (I 
> don’t know the times of previous glitches.)
>
>
>
> Both units:
>
>  *
>
>     Motion Version 4.5.1
>
>  *
>
>     Raspberry Pi 4B, with one USB camera each
>
>  *
>
>     Individual power supply on UPS
>
>  *
>
>     Uptime: (several days ago)
>
>
> The WiFi and NAS are also on their own UPSs, and no power issues.
>
>
> Thanks for the help!
>
> Barry
>
>
>
>
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