NVR5232-EL crash during playback
- Thread starter michele5353
- Start date
bigredfish
Known around here
bigredfish
Known around here
ok, I just ran an important test:
I did a good few minutes of playback directly from the NVR's web page and it worked fine. I then ran the live broadcast on another device (dmss mobile) and suddenly after a while it crashed. In this test smartpss wasn't really used, so it's not the culprit.
There are two hypotheses:
1) The NVR cannot play and view live at the same time
2) it freezes because I log in with the same user (but I don't think so)
ps: as in any case the consequences of this crash were: web page working but playback not working and nvr unreachable from both smartpss and dmss
I think the problem occurs with smartpss because I often left the live window open and the playback window open at the same time!
I did a good few minutes of playback directly from the NVR's web page and it worked fine. I then ran the live broadcast on another device (dmss mobile) and suddenly after a while it crashed. In this test smartpss wasn't really used, so it's not the culprit.
There are two hypotheses:
1) The NVR cannot play and view live at the same time
2) it freezes because I log in with the same user (but I don't think so)
ps: as in any case the consequences of this crash were: web page working but playback not working and nvr unreachable from both smartpss and dmss
I think the problem occurs with smartpss because I often left the live window open and the playback window open at the same time!
bigredfish
Known around here
I just ran a similar more involved test.
My NVR is recording 9 cams, two of them 4K, the others all 4MP, all at 30FPS, all at least 10240 bitrate CBR (16,386 on the 4Ks), so I max out all of my streams.
5216-16P-4ks2e
A full 10 minutes simultaneously:
:
NVR running and recording fine
SmartPSS running live streaming all 9 cams (low res)
SmartPSS in playback mode one 4K cam the entire time
Me logging into NVR (while above is happening) and using both AI playback and normal playback
Not a single hiccup.
Hypothesis #3
Its your local machine or another (switch, router?) on the network not able to keep up with the stream
My NVR is recording 9 cams, two of them 4K, the others all 4MP, all at 30FPS, all at least 10240 bitrate CBR (16,386 on the 4Ks), so I max out all of my streams.
5216-16P-4ks2e
A full 10 minutes simultaneously:
:
NVR running and recording fine
SmartPSS running live streaming all 9 cams (low res)
SmartPSS in playback mode one 4K cam the entire time
Me logging into NVR (while above is happening) and using both AI playback and normal playback
Not a single hiccup.
Hypothesis #3
Its your local machine or another (switch, router?) on the network not able to keep up with the stream
bigredfish
Known around here
It is possible you are max'd out on bandwidth, or your local machine cant keep up
-You say 15 cams- what res and what bitrate and FPS?
-How is the system wired? Are the cams all connected to external switches? Do they run through a router or direct to the NVR? (cams and NVR on same switch)
- What machine are you using? Windows? Version? OS and RAM?
-You say 15 cams- what res and what bitrate and FPS?
-How is the system wired? Are the cams all connected to external switches? Do they run through a router or direct to the NVR? (cams and NVR on same switch)
- What machine are you using? Windows? Version? OS and RAM?
15 cams, most 4k and 5mp with cbr 4096 20 fps and they all run IVS by camera.
There are 2 switches on the network that manage these cams, I don't know how to investigate.
The cam network is a DMZ, separated from the LAN with a Sophos firewall with pfsense.
My pc: 16 gb ram, i7 8700k rtx 3090, windows 11
Unfortunately from the web page I can't see a menu where I can see the bandwidth, but from the local monitor of the NVR there is the appropriate section. I'll post a screenshot as soon as I can
I understand that you also used a single account for smartpss and the web page, so I would rule out a problem with simultaneous logins with the same account
bigredfish
Known around here
well then I have a problem somewhere else. Do you recommend disabling substream recording?
bigredfish
Known around here
Thats not anywhere near a problem then (bandwidth, machine)
As to the network, I'm no network guru. But something is reaching a point of buffering the video where it gets over taxed and freezes.
bigredfish
Known around here
No, thats only affecting the NVR recording (which isnt a problem) and is good to allow your phone and smartpss to access the substream
ok, but if it were to be like this technically the playback should stop and that's it. It's as if the NVR entered "protection" and then unlocked itself after a while
bigredfish
Known around here
But you said you can login to the NVR when this happens at the console no problem, and it continues recording?
Are you running H.265 or ROI on cameras or NVR? If so, use h.264H on ALL and NO ROI
Both tax the system, provide little practical benefit
Are you running H.265 or ROI on cameras or NVR? If so, use h.264H on ALL and NO ROI
Both tax the system, provide little practical benefit
The local console is ALWAYS accessible, even during these "crash" moments. Sometimes it happens that the web page is also not reachable, but today it is accessible but during the crash the playback does not work
bigredfish
Known around here
Comes back to the NVR working fine stand alone, but external device access (SmartPSS, DMSS, web GUI) fail after a period of time.
That tells me an external choke point is failing to keep up with the stream and locks up.
So we have to either reduce the throughput of the streams or find the external device that’s not keeping up.
My not so expert opinion is the streams are going directly through a router or the pfsense device that’s not able to stream/buffer for long
Yes h.265 shows little real world benefit on Dahua NVRs in my experience but taxes the system. H.264.h behaves better and yd higher quality
That tells me an external choke point is failing to keep up with the stream and locks up.
So we have to either reduce the throughput of the streams or find the external device that’s not keeping up.
My not so expert opinion is the streams are going directly through a router or the pfsense device that’s not able to stream/buffer for long
Yes h.265 shows little real world benefit on Dahua NVRs in my experience but taxes the system. H.264.h behaves better and yd higher quality
now I'm redoing the first test, playback in web gui and live in dmss...now it's not blocking. It's all so strange!!
Do you still recommend setting the cams to h264h?