New Build - 06/21/2021 - r46979

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mwchang
DD-WRT Guru


Joined: 26 Mar 2013
Posts: 856
Location: Hung Hom, Hong Kong

PostPosted: Tue Jun 22, 2021 8:20    Post subject: DD-WRT BS build 46979 and Asus RT-N18U Reply with quote
Router/Version: Asus RT-N18U (rev. A1)
Firmware: DD-WRT v3.0-r46979 std (06/21/21)
Kernel: Linux 4.4.273 #3503 Mon Jun 21 03:10:53 +07 2021 armv7l
Previous: DD-WRT v3.0-r46733 std (05/21/21)
Mode: WAN @ DHCP, Wireless @ AP
Status: Working (Not 24/7; Not using IPv6, VAP, VPN; Using NAS & USB; Unbound enabled); not using CTF
Reset: NO reset during firmware upgrade but cold boot
File: https://download1.dd-wrt.com/dd-wrtv2/downloads/betas/2021/06-21-2021-r46979/asus-rt-n18u/asus_rt-n18u-firmware.trx

Summary

There were still error messages about ksmbd and wsdd2. I suspected there were more error messages after recent changes (due to CTF??).

process_monitor was started 2 times based on the process id, and 3 time-sync change.

System Log

Samba error(s): grep -E 'wsdd|smbd' /var/log/messages
Code:
Jan  1 08:00:27 RT-N18U user.info wsdd2[1222]: starting.
Jan  1 08:00:27 RT-N18U user.info : smbd : samba started
Jan  1 08:00:27 RT-N18U local5.err ksmbd: [ksmbd-manager/1225]: ERROR: Can't open `/tmp/ksmbd.subauth': No such file or directory
Jan  1 08:00:27 RT-N18U local5.info ksmbd: [ksmbd-worker/1226]: INFO: User already exists nobody
Jan  1 08:00:27 RT-N18U user.err wsdd2[1222]: error: wsdd-mcast-v4: wsd_send_soap_msg: send: Network unreachable
Jan  1 08:00:29 RT-N18U user.err wsdd2[1222]: error: wsdd-mcast-v4: wsd_send_soap_msg: send: Network unreachable
Jan  1 08:00:29 RT-N18U user.err wsdd2[1222]: error: wsdd-mcast-v4: wsd_send_soap_msg: send: Network unreachable
Jun 22 16:09:50 RT-N18U user.info : wsdd2 : windows service discovery daemon successfully stopped
Jun 22 16:09:50 RT-N18U user.err wsdd2[1222]: Terminated received.
Jun 22 16:09:50 RT-N18U user.info wsdd2[1222]: terminating.
Jun 22 16:09:50 RT-N18U user.info : ksmbd.mountd : samba daemon successfully stopped
Jun 22 16:09:50 RT-N18U local5.info ksmbd: [ksmbd-worker/1226]: INFO: Child received signal: 15 (Terminated)
Jun 22 16:09:50 RT-N18U local5.err ksmbd: [ksmbd-manager/1225]: ERROR: WARNING: child process exited abnormally: 1226
Jun 22 16:09:50 RT-N18U local5.err ksmbd: [ksmbd-manager/1225]: ERROR: can't execute kill 1226: No such process
Jun 22 16:09:50 RT-N18U local5.info ksmbd: [ksmbd-manager/1225]: INFO: Exiting. Bye!
Jun 22 16:09:50 RT-N18U kern.info kernel: ksmbd: kill command received
Jun 22 16:09:56 RT-N18U user.info : smbd : samba started
Jun 22 16:09:56 RT-N18U user.info wsdd2[2407]: starting.
Jun 22 16:09:56 RT-N18U user.info wsdd2[2409]: starting.
Jun 22 16:09:56 RT-N18U user.info : smbd : samba started
Jun 22 16:09:56 RT-N18U local5.info ksmbd: [ksmbd-manager/2416]: INFO: File '/tmp/ksmbd.lock' belongs to pid 2415
Jun 22 16:09:56 RT-N18U local5.err ksmbd: [ksmbd-manager/2416]: ERROR: Failed to create lock file: File exists
Jun 22 16:09:56 RT-N18U local5.info ksmbd: [ksmbd-manager/2416]: INFO: Exiting. Bye!
Jun 22 16:09:56 RT-N18U local5.info ksmbd: [ksmbd-worker/2418]: INFO: User already exists nobody


Error(s): grep -i err /var/log/messages | grep -v -E 'wsdd|smbd'
Code:
Jan  1 08:00:14 RT-N18U kern.err kernel: smp_twd: clock not found -2
Jan  1 08:00:14 RT-N18U kern.err kernel: bcmsflash: found no supported devices
Jan  1 08:00:15 RT-N18U daemon.info mstpd[638]: error, CTL_set_cist_bridge_config: Couldn't find bridge with index 8
Jan  1 08:00:15 RT-N18U daemon.info mstpd[638]: error, CTL_set_cist_bridge_config: Couldn't find bridge with index 8
Jun 22 16:09:47 RT-N18U kern.err kernel: hub 3-0:1.0: config failed, hub doesn't have any ports! (err -19)


Debugging: grep -i debug /var/log/messages
Code:
Jan  1 08:00:33 RT-N18U daemon.debug ntpclient[1624]: Connecting to 223.255.185.3 [223.255.185.3] ...
Jun 22 16:09:46 RT-N18U user.debug : ttraff: data collection started
Jun 22 16:09:47 RT-N18U daemon.debug process_monitor[1622]: Restarting cron (time sync change)
Jun 22 16:09:47 RT-N18U daemon.debug process_monitor[1622]: Restarting unbound (time sync change)
Jun 22 16:09:48 RT-N18U daemon.debug process_monitor[1622]: Restarting unbound (time sync change)
Jun 22 16:09:49 RT-N18U daemon.debug process_monitor[2113]: We need to re-update after 3600 seconds
Jun 22 16:09:50 RT-N18U kern.debug kernel: sd 0:0:0:0: [sda] Mode Sense: 43 00 00 00


Firmware Size

From 30515200 (b.31277) to 24711168 (b.33555) = -5804032 bytes
From 24711168 (b.33555) to 27054080 (b.34929) = 2342912 bytes
From 27054080 (b.34929) to 26640384 (b.35531) = -413696 bytes
From 26640384 (b.35531) to 25022464 (b.36995) = -1617920 bytes
From 25022464 (b.36995) to 25427968 (b.37961) = 405504 bytes
From 25427968 (b.37961) to 25804800 (b.38570) = 376832 bytes
From 25804800 (b.38570) to 27574272 (b.38840) = 1769472 bytes
From 27574272 (b.38840) to 27774976 (b.39031) = 200704 bytes
From 27774976 (b.39031) to 27779072 (b.39137) = 4096 bytes
From 27779072 (b.39137) to 27779072 (b.39144) = 0 byte
.... snipped ....
From 26341376 (b.43217) to 26472448 (b.43334) = 131072 bytes
From 26472448 (b.43334) to 26267648 (b.43381) = -204800 bytes
From 26267648 (b.43381) to 26279936 (b.43471) = 12288 bytes
From 26279936 (b.43471) to 26279936 (b.43718) = 0 bytes
From 26279936 (b.43718) to 26341376 (b.44085) = 61440 bytes
From 26341376 (b.44085) to 26382336 (b.44251) = 40960 bytes
From 26382336 (b.44251) to 26714112 (b.44700) = 331776 bytes
From 26714112 (b.44700) to 25522176 (b.44863) = -1191936 bytes
From 25522176 (b.44863) to 25522176 (b.44970) = 0 bytes
From 25522176 (b.44970) to 25518080 (b.45000) = -4096 bytes
From 25518080 (b.45000) to 25706496 (b.45592) = 188416 bytes
From 25706496 (b.45592) to 25870336 (b.46733) = 163840 bytes
From 25870336 (b.46733) to 25153536 (b.46733) = -716800 bytes


_________________
Router: Asus RT-N18U (rev. A1)

May the Force and farces be with you! Live long and proper!

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mwchang
DD-WRT Guru


Joined: 26 Mar 2013
Posts: 856
Location: Hung Hom, Hong Kong

PostPosted: Tue Jun 22, 2021 8:33    Post subject: Re: Netgear Nighthawk R7000 Reply with quote
kernel-panic69 wrote:
You were told specifically by BrainSlayer to stop reporting CPU temperature being hot. You're going to make him remove the functionality altogether if you do not listen.
To be fair and scientific, you have to open up the chassis of the router and use a IR thermometer gun to measure the chip's real surface temperature. Then you could assess the delta readings deviation. But these guns might still not be not very accurate.

The function could stay as long as we remember and accept its "weakness". Removing a function to avoid complaints about a router's performance is never good (just like COVID-19 vaccines statistics).

https://www.amazon.com/s?k=ir+thermo+gun&ref=nb_sb_noss

BTW, my RT-N18U also showed high temperature (CPU 79.1 °C / WL0 47.8 °C), and everything is working normally.

High-temperature operating life - Wikipedia
https://en.wikipedia.org/wiki/High-temperature_operating_life

Does a 10°C Increase in Temperature Really Reduce the Life of Electronics by Half? | Electronics Cooling
https://www.electronics-cooling.com/2017/08/10c-increase-temperature-really-reduce-life-electronics-half/

_________________
Router: Asus RT-N18U (rev. A1)

May the Force and farces be with you! Live long and proper!

Facebook: https://www.facebook.com/changmanwai
Website: https://sites.google.com/site/changmw
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thommy181
DD-WRT User


Joined: 16 Mar 2019
Posts: 223
Location: Szczecin, Poland EU

PostPosted: Tue Jun 22, 2021 12:46    Post subject: New Build - 06/21/2021 - r46979 Reply with quote
Router/Version: Netgear WNR3500L v2
Kernel: original from build 6/21
Reset: Yes
Status: No internet connection on workstations connected to local area (WIFI, LAN)
Errors: Totally not available internet on longest road than WAN port

I'm back to build 6/10/21, because I have big issue. Firmware is work bad. Internet is available on WAN port. I can ping external hosts via ssh, host on world too. Other services work good (DNS, NTP, switch, wifi module etc). IP from ISP appear good on GUI. Connection can't fly for workstations. I have connection timeout information, ping not request for world hosts. I'm tests on this problem. That's look like firewall build some block. I'm connect to internet, turn off security options in GUI, type iptables -F via ssh. It not solve problem. I think that is soft problem, so I'm back to OEM, flash via GUI soft 6/21/21 and problem is still. I'm back to 6/10 firmware version. So - low end devices have a problems with new DD-WRT versions. Developpers should analyze bugs.
saphirely
DD-WRT User


Joined: 13 Dec 2020
Posts: 75

PostPosted: Tue Jun 22, 2021 12:50    Post subject: Reply with quote
Router/Version: Netgear R6250
Firmware: DD-WRT v3.0-r46979 std (06/21/21)
Kernel: Linux 4.4.273 #3499 SMP Mon Jun 21 02:36:17 +07 2021 armv7l
Mode: Gateway, Wireless AP, unbound
Reset: No, not this time
Previous : r46974
Upgrade: Web and 1st succeed without reset.
Temperatures CPU 72.5 °C / WL0 48.8 °C
Load: 0.06, 0.02, 0.00
Uptime 23h
Errors: No, not at this moment.

WAN: DHCP
MTU:1500 Auto
Shortcut Forwarding Engine: CTF
Flow Acceleration: CTF & FA
STP: Disable

DHCP Server Enabled - Running
Samba Disabled
WRT-radauth Disabled
WRT-rflow Disabled
MAC-upd Disabled
CIFS Automount Disabled
Sputnik Agent Disabled
USB Support Disabled

Works very well.
kernel-panic69
DD-WRT Guru


Joined: 08 May 2018
Posts: 10196
Location: Texas, USA

PostPosted: Tue Jun 22, 2021 13:34    Post subject: Reply with quote
@mwchang, @twindragon6: There is also the matter of router location and airflow. If someone is worried about the temperatures, add a cooling fan and/or heatsink mod. Only problem is that some devices SoC boards aren't very accommodating for heatsinks, but you could add a cooling fan pretty easily. The thing is, the CPU temp has been discussed quite extensively in this forum and elsewhere over the years and it has been beaten like a dead horse.
_________________
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IONK
DD-WRT User


Joined: 19 Aug 2011
Posts: 321

PostPosted: Tue Jun 22, 2021 13:42    Post subject: Re: Netgear Nighthawk R7000 Reply with quote
kernel-panic69 wrote:
You were told specifically by BrainSlayer to stop reporting CPU temperature being hot. You're going to make him remove the functionality altogether if you do not listen.
I see that most (all?) OEM firmwares don't show the temperature in the GUI.
I guess it is because the CPU temperature depends on the environment temperature and air flow outside & inside the router (location & orientation of router), and also there's issue with aging thermal paste/thermal pad, not to mention inconsistency during manufacturing & assembly. For computer CPUs, the temperature also depends on the type of workload, but I'm not sure if this is also applicable for router CPUs.
With so many unknown variables, showing the temp is more like asking for customers' complaints.

For DD-WRT, I appreciate the effort to make everything transparent to the end-user, but the end-user needs to decide whether that temperature is normal or not, because the developer doesn't know what kind of environment the router is operating in.
But I also hope there's at least some guideline, or hard-limit, especially for those who want to overclock.

EDIT: @kernel-panic69: I was typing my post when you posted your latest reply, so I leave it to you whether you want to move my post to the bin.



IMG_20210622_223545.jpg
 Description:
Just for gag: heatsink for the USB drive plugged into my router
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 Viewed:  2158 Time(s)

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mac913
DD-WRT Guru


Joined: 02 May 2008
Posts: 1675
Location: Canada

PostPosted: Tue Jun 22, 2021 15:25    Post subject: Reply with quote
kernel-panic69 wrote:
@mwchang, @twindragon6: There is also the matter of router location and airflow. If someone is worried about the temperatures, add a cooling fan and/or heatsink mod. Only problem is that some devices SoC boards aren't very accommodating for heatsinks, but you could add a cooling fan pretty easily. The thing is, the CPU temp has been discussed quite extensively in this forum and elsewhere over the years and it has been beaten like a dead horse.


I agree with kp69, if anyone "feels" it's a problem. I have my routers mounted vertical or on an angle with temperatures in the 50's. Air flow is key even a very small amount. I'm not a big fan of fans since they become dust collectors, but if I do need to use a fan I get the largest a one for the job and run it at the slowest speed.

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2x R7800 - Gateway & WiFi & 3xWireGuard - DDWRT r47377 Std
R7000 - Wired ISP 4K IPTV Gateway - DDWRT r47117 Std

Off Site 1

R7000 - Gateway & WiFi & WireGuard - DDWRT r47117 Std
E3000 - Client Bridge - DDWRT r46979 Mega K4.4

Off Site 2

R7000 - Gateway & WiFi - DDWRT r47117 Std
E2000 - Wired ISP IPTV PVR Blocker - DDWRT r35531


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MysticGold04
DD-WRT User


Joined: 20 Apr 2018
Posts: 110
Location: Somewhere remote

PostPosted: Tue Jun 22, 2021 16:30    Post subject: Reply with quote
the reported temp of 67.5c is hardly "hot" there are times i've seen 80-82c operating temp on my Asus RT-AC68u many times under load. Never been a problem for me over the past few years.

The Asus stock firmware - what I'm running now, does not have a temp report on it - only RAM and CPU.

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ASUS RT-AC68U (AP) Merlin Fork
ASUS RT-AC68U (Bridge) r47481 x2
WRT54GL 1.1 Freshtomato 2021.5
Linksys e1200v2 - resting
hoogends
DD-WRT Novice


Joined: 21 Jan 2011
Posts: 7

PostPosted: Wed Jun 23, 2021 18:28    Post subject: WAN down troughput half Reply with quote
Router/Version: R7000 / v3.0-r46979 std (06/21/21)
File/Kernel: Linux 4.4.273
Previous/Reset: v3.0-r46446 std (04/24/21 / Eventually yes
Mode/Status: Router / Working
Issues/Errors: WAN down throughput only around 350Mbps, should be arround 600Mbps, same after factory reset. (I have the same issue with r46974)
Reverted back to v3.0-r46446 and down throughput is back to +600Mbps


Last edited by hoogends on Thu Jun 24, 2021 18:43; edited 4 times in total
thommy181
DD-WRT User


Joined: 16 Mar 2019
Posts: 223
Location: Szczecin, Poland EU

PostPosted: Wed Jun 23, 2021 19:27    Post subject: Reply with quote
In newer builds it's hard to see full internet speed. I have some good hint for fix this problem. Flash last build to your router and restore factory defaults. Make full configuration one more time. Turn on SFE feature. Overclock router to max available speed in GUI. Connect internet to WAN and leave that configuration for ~24 h. After this time log in to GUI and configure stock clock speed via GUI. Don't disconnect cord from WAN, click save option and then Apply changes. Now router is auto restart. Wait for internet back, make speedtest operation. That hint works for me on the Netgear WNR3500L v2. I don't know why router must to learn max internet speed.
hoogends
DD-WRT Novice


Joined: 21 Jan 2011
Posts: 7

PostPosted: Wed Jun 23, 2021 23:22    Post subject: Reply with quote
thommy181 wrote:
In newer builds it's hard to see full internet speed. I have some good hint for fix this problem. Flash last build to your router and restore factory defaults. Make full configuration one more time. Turn on SFE feature. Overclock router to max available speed in GUI. Connect internet to WAN and leave that configuration for ~24 h. After this time log in to GUI and configure stock clock speed via GUI. Don't disconnect cord from WAN, click save option and then Apply changes. Now router is auto restart. Wait for internet back, make speedtest operation. That hint works for me on the Netgear WNR3500L v2. I don't know why router must to learn max internet speed.


Thanks for this suggestion but i think i'll stick to build r46446 for now......
roizby
DD-WRT Novice


Joined: 05 Apr 2018
Posts: 12

PostPosted: Thu Jun 24, 2021 7:27    Post subject: Reply with quote
Router/Version: Netgear WNDR4500v1
Mode: Gateway/AP
Firmware: DD-WRT v3.0-r46979 giga (06/21/21)
Kernel: Linux 4.4.273 #10297 Mon Jun 21 03:15:10 +07 2021 mips
Reset: Yes
Issues/Errors: ↓

Did a reset to verify this issue.
After only applying some very basic settings,
ssh, http, telnet, and dns, and possibly every port is accessible via WAN.

I only noticed because syslog was showing numerous ssh logon attempts from the outside.

I'm using:
Automatic Configuration - DHCP,
ipv4 only,
router address changed to an ip from 10.0.0.0/20
enabled ssh service
hurleyp
DD-WRT User


Joined: 10 Sep 2009
Posts: 332
Location: Ottawa, Ontario, Canada

PostPosted: Thu Jun 24, 2021 13:04    Post subject: Reply with quote
Firmware: v3.0-r46979 std (06/21/21)
Router/Version: Netgear R7000
Kernel: Linux 4.4.273 #3499 SMP Mon Jun 21 02:36:17 +07 2021 armv7l
Previous: v3.0-r46974 std (06/18/21)
Mode/Status: AP wired and wireless / Up and running for 24 hours
Reset: Soft boot before and after upgrade
Temperatures: CPU 59.7 °C / WL0 45.8 °C / WL1 50.9 °C
Issues/Errors: Nothing significant

Updated via webif. No 'nvram erase' this time, last one was in July 2018 (r36325).

Upload and Download speeds are to ISP spec. Nothing unexpected in the syslog.

Current basic R7000 setup (subject to change of course):
- Static WAN IP
- Shortcut Forwarding Engine: CTF, Flow Acceleration: Disabled
- STP - Enabled
- IPv4 only, both WAN and LAN
- LAN DHCP Enabled
- Wireless: AP, Regulatory Domain = CANADA, wl0 Mixed (ch. 6), wl1 AC/N-Mixed (ch. 36, VHT80), AES
- 1 wireless VLAN on wl0
- SNMP disabled, SSH enabled, Telnet disabled
- Firewall enabled, Log Level high
- Syslog: to local server. klogd: disabled.
- USB support - Off
- No custom scripts
- No: ttraf, Tor, VNC, Zabbix, VPN, Radius, OpenVPN
- No: UPnP, DMZ, QoS
- No: Samba, CIFS, JFFS2, miniDLNA, Entware, Optware

_________________
Netgear R7000: v3.0-r47481 std (09/24/21)
EdgeRouter-X: EdgeOS v2.0.9-hotfix 2
twindragon6
DD-WRT User


Joined: 29 Jun 2008
Posts: 226

PostPosted: Sat Jun 26, 2021 14:47    Post subject: Re: Netgear Nighthawk R7000 Reply with quote
Sorry guys, I was just reporting relevant information! I don't know what the TDP is for a BCM4709 but 67.5°C (153.5°F) is definitely a little warm. To put things in perspective my GTX 970 is running at 45°C (113°F)! Maybe I need to take a Dremel to the thing and remove the I/O shield and slap a heat-sink on the thing. The temperatures have increased from previous builds considerably yet the reported CPU loads have not. If you don't want to hear about it that's fine, I won't tell you! I'll figure it out on my own like I do everything else out anyways!


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egc
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Joined: 18 Mar 2014
Posts: 8184
Location: Netherlands

PostPosted: Sat Jun 26, 2021 15:40    Post subject: Reply with quote
Temperature is fine my R6400v2 with 1000 MHz is doing 72 C

Ambient temp 25 C

But of course less is better for router longevity

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