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Cable Modem Reboot due to RG crash - Hub keeps rebooting

LASPPT
Tuning in

This keeps happening on my router and my Hub crashes and I lose all internet. Virgin Customer service has been looking into this for the last 1 month, and so far no joy, such terrible customer service. HELP! 

02-09-2023 19:48:05criticalCable Modem Reboot due to RG crash
02-09-2023 18:39:40criticalReceived Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
02-09-2023 18:38:20criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
02-09-2023 18:38:16criticalSYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
02-09-2023 18:38:04criticalCable Modem Reboot due to RG crash
02-09-2023 03:16:23criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
02-09-2023 03:16:18criticalSYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
02-09-2023 03:16:06criticalCable Modem Reboot due to RG crash
11 REPLIES 11

LASPPT
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Downstream bonded channels

Channel Frequency (Hz) Power (dBmV) SNR (dB) Modulation Channel ID
13300000007.637QAM 25625
21380000008.138QAM 2561
3146000000838QAM 2562
41540000008.238QAM 2563
51620000008.138QAM 2564
61700000007.938QAM 2565
71780000008.237QAM 2566
81860000008.337QAM 2567
91940000008.537QAM 2568
102020000008.337QAM 2569
112100000008.637QAM 25610
122180000008.537QAM 25611
132260000008.337QAM 25612
142340000008.237QAM 25613
152420000008.237QAM 25614
162500000007.937QAM 25615
172580000007.837QAM 25616
182660000007.837QAM 25617
192740000007.537QAM 25618
202820000007.737QAM 25619
212900000007.937QAM 25620
222980000007.837QAM 25621
233060000007.737QAM 25622
243140000007.737QAM 25623
253220000007.937QAM 25624
263380000007.537QAM 25626
273460000007.737QAM 25627
283540000007.637QAM 25628
293620000007.637QAM 25629
303700000007.637QAM 25630
313780000007.437QAM 25631

Downstream bonded channels

Channel Locked Status RxMER (dB) Pre RS Errors Post RS Errors
1Locked371730
2Locked3860
3Locked3880
4Locked38100
5Locked38100
6Locked38220
7Locked37180
8Locked37160
9Locked37210
10Locked37180
11Locked37320
12Locked37210
13Locked37440
14Locked37470
15Locked37450
16Locked37700
17Locked37480
18Locked37820
19Locked37870
20Locked371120
21Locked37970
22Locked371460
23Locked371680
24Locked371580
25Locked371290
26Locked371860
27Locked371850
28Locked371920
29Locked372030
30Locked372250
31Locked372180

LASPPT
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Upstream bonded channels

Channel Frequency (Hz) Power (dBmV) Symbol Rate (ksps) Modulation Channel ID
06030000033.85120QAM 641
15370000033.85120QAM 642
246200000345120QAM 643
33940000034.35120QAM 644
43260000034.35120QAM 645
52360000034.35120QAM 646

Upstream bonded channels

Channel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts
0ATDMA0000
1ATDMA0000
2ATDMA0040
3ATDMA0000
4ATDMA0000
5ATDMA0000

LASPPT
Tuning in

Network Log just for today - Crashed about 7 times

Time Priority Description
02-09-2023 23:55:34noticeREGISTRATION COMPLETE - Waiting for Operational status
02-09-2023 23:55:28warningREG-RSP-MP Mismatch Between Calculated Value for P1.6hi Compared to CCAP Provided Value;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
02-09-2023 23:55:23noticeDS profile assignment change. DS Chan ID: 32; Previous Profile: ; New Profile: 1 2 3.;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
02-09-2023 23:55:11warningDHCP WARNING - Non-critical field invalid in response ;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
02-09-2023 23:55:08noticeHonoring MDD; IP provisioning mode = IPv4
02-09-2023 23:54:48criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
02-09-2023 23:54:44criticalSYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
02-09-2023 23:54:31criticalCable Modem Reboot due to RG crash
02-09-2023 23:32:00criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
02-09-2023 23:31:54criticalSYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
02-09-2023 23:31:42criticalCable Modem Reboot due to RG crash
02-09-2023 19:48:22criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
02-09-2023 19:48:17criticalSYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
02-09-2023 19:48:05criticalCable Modem Reboot due to RG crash
02-09-2023 18:39:40criticalReceived Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
02-09-2023 18:38:20criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
02-09-2023 18:38:16criticalSYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
02-09-2023 18:38:04criticalCable Modem Reboot due to RG crash
02-09-2023 03:16:23criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
02-09-2023 03:16:18criticalSYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
02-09-2023 03:16:06criticalCable Modem Reboot due to RG crash
02-09-2023 00:11:45criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
02-09-2023 00:11:39criticalSYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
02-09-2023 00:11:27criticalCable Modem Reboot due to RG crash

Client62
Legend

There has been reports that RTSP stream / VRChat crashes / reboots Hub 5 - could that apply here ?

If yes, search for RTSP in this forum.

Thank you for your reply.

The only thing I use is Sonos, but the same happens even when I'm not playing music 😞 Don't really use VR, or stuff like that. 

LASPPT
Tuning in

Screenshot 2023-09-04 at 22.36.22.pngJust got a message from Virgin saying that they are monitoring my network and... really?! 5 complete drops outs just today... 
VIRGIN MEDIA - Hi again. We've checked your connection and it's looking good. We'll keep an eye on it until 05/09/23 13:45:17.

Hi @LASPPT thanks for your post here and I'm sorry to hear of the concerns you've raised here, 

How have things been your post please and mostly up to the 5th September, the date mentioned in your earlier post?

Many thanks

Tom_W

The same is still happening, I got crasg after crash, and got a text message fro Virgin that they were monitoring the connection for 24 hours and everything was looking great??? Really :(( 

07-09-2023 18:52:13criticalSYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
07-09-2023 18:52:02criticalCable Modem Reboot due to RG crash
07-09-2023 16:40:53criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
07-09-2023 16:40:46criticalSYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
07-09-2023 16:40:34criticalCable Modem Reboot due to RG crash
07-09-2023 08:48:29criticalStarted Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
07-09-2023 01:18:54criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
07-09-2023 01:18:49criticalSYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
07-09-2023 01:18:37criticalCable Modem Reboot due to RG crash
06-09-2023 01:02:24criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
06-09-2023 01:02:19criticalSYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.1;
06-09-2023 01:02:07criticalCable Modem Reboot due to RG crash

Screenshot 2023-09-07 at 18.32.56.png