WRT1900ACSv2 WiFi problems on newest betas

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geps
DD-WRT Novice


Joined: 28 Sep 2009
Posts: 42

PostPosted: Sat Sep 12, 2020 15:57    Post subject: WRT1900ACSv2 WiFi problems on newest betas Reply with quote
Last firmware with working WiFi for me was r44213: every firmware after this one broke WiFi: the SSID is broadcasted, but if I try to connect it refuses the password. I have an open network for guests, and I can connect to it, but the authentication to WPA2 networks does not work anymore.
Can anyone help me?
Thank you.


Last edited by geps on Wed Sep 16, 2020 8:33; edited 1 time in total
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mazecreator
DD-WRT Novice


Joined: 09 May 2009
Posts: 45

PostPosted: Sat Sep 12, 2020 17:30    Post subject: Reply with quote
I am having similar problems with Linksys WRT1900ACS V2 post 44213. I can connect with Security set (haven't tried no security), and seems to upload fine, but download seems to be painfully slow as best if there is data flow at all... One test on my 250M/12M cable give an result of 0.035M/12M transfer rates.

I do need to reset the 44213 connection at times as for some reason it seems to think it no longer has internet access on my cellphone, not sure what is happening there, but might be a hint.
geps
DD-WRT Novice


Joined: 28 Sep 2009
Posts: 42

PostPosted: Sun Sep 13, 2020 9:00    Post subject: Reply with quote
My same router: If I try to connect to networks with security, devices ask me for password but once i insert it they say it's wrong!
I confirm too the need to reset sometimes connection with 44213.
mazecreator
DD-WRT Novice


Joined: 09 May 2009
Posts: 45

PostPosted: Sun Sep 13, 2020 14:57    Post subject: Reply with quote
I asked another member that had the 1900acs v2, not sure if they are good for all routers. I am trying them to see if they are stable with the older build, then I will update if they seem to hold.


5GHz:
¯¯¯¯¯

Wireless Mode: AP
Wireless Network Mode: AC-Only
Channel Width: VHT80
Wireless Channel: 36 - 5180
Extension Channel: UU (+6)
Allow Channel Overlapping: Disable
Wireless Network Name (SSID): A random Name
Wireless SSID Broadcast: Enable

Nothing changed in Advanced Settings, except Regulatory Domain --> GERMANY, since I'm living here.

2.4GHz:
¯¯¯¯¯¯¯

Wireless Mode: AP
Wireless Network Mode: Mixed
Channel Width: Full (20MHz)
Wireless Channel: 11 - 2462
TurboQAM (QAM256): Enable
Wireless Network Name (SSID): Another random Name
Wireless SSID Broadcast: Enable

Nothing changed in Advanced Settings

Wireless Security ath0:
¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯

Security Mode: WPA
Network Athentification: WPA2 Personal
WPA Algorithms: CCMP-128 (AES)
WPA Shared Key: somefiguresandletters

Wireless Security ath1:
¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯

Security Mode: WPA
Network Athentification: WPA2 Personal
WPA Algorithms: CCMP-128 (AES)
WPA Shared Key: otherfiguresandletters

No MAC Filter, no ath0/1-WDS settings done
mazecreator
DD-WRT Novice


Joined: 09 May 2009
Posts: 45

PostPosted: Sun Sep 13, 2020 15:14    Post subject: Reply with quote
I updated to 44340 (09/10/20) again, and same problems came back.

Rolled back to 44213 (08/18/20)
Zyxx
DD-WRT User


Joined: 28 Dec 2018
Posts: 288

PostPosted: Mon Sep 14, 2020 11:21    Post subject: Reply with quote
mazecreator wrote:
I asked another member that had the 1900acs v2, [...]


Me Wink

We compared settings, since my WiFi devices seemingly "just work".

A few minutes ago, I received a screenshot, every setting is similar except one:

@mazecreator's router has "Sensitivity Range (ACK Timing) set to 500 (default).
My device has the setting set to: 2000 (I do not remember altering this at all!).

Might this setting be related to the problems observed?
pbphoto
DD-WRT User


Joined: 29 Oct 2017
Posts: 104

PostPosted: Mon Sep 14, 2020 12:14    Post subject: Reply with quote
I'm running 44048 on my 1900ACSv1. ack timing is set to 0. I set it to 2000, ran a bunch of speedtests - all good. Then I upgraded to 44340, my macbook connected to channel 36 right away. All good for about a minute, then no network traffic. Same thing with my iphone. I disabled/re-enabled wifi on my macbook, and it connected to my 3200ACM running 44048 with a weaker signal. After a few minutes, my macbook connected to channel 11 on my 1900ACSv1, and there was no network at all. Wifi explorer shows the 1900ACSv1 advertising both channel 36 and 11 ok, and it looks like devices can connect, but then wifi hangs up immediately without traffic.

While the 1900ACSv1 was in this state running 44340, I'm able to get in thru the hardwired 3200ACM's wifi. I changed acked timing back to 0 on both radios on the 1900ACSv1, hit apply and it stopped responding to pings for more than a minute. It came back for a few seconds and I was able to capture a dmesg and syslog before it rebooted itself. Logs are below. When it came back, I fell back to 44048 and everything is running fine again.

Here's a section of syslog - nothing out of the ordinary.

Sep 14 06:52:41 router2 daemon.info hostapd: ath0: STA f0:18:98:6a:3d:e1 MLME: auth request, signal -50 (Accepted)
Sep 14 06:52:41 router2 daemon.info hostapd: ath0: STA f0:18:98:6a:3d:e1 IEEE 802.11: authenticated
Sep 14 06:52:41 router2 daemon.info hostapd: ath0: STA f0:18:98:6a:3d:e1 MLME: assoc request, signal -56 (Accepted)
Sep 14 06:52:41 router2 daemon.info hostapd: ath0: STA f0:18:98:6a:3d:e1 IEEE 802.11: associated (aid 3)
Sep 14 06:52:41 router2 daemon.info hostapd: ath0: STA f0:18:98:6a:3d:e1 RADIUS: starting accounting session 53739EBCA7AF33A8
Sep 14 06:52:41 router2 daemon.info hostapd: ath0: STA f0:18:98:6a:3d:e1 WPA: pairwise key handshake completed (RSN)
Sep 14 06:52:53 router2 daemon.info hostapd: ath1: STA b0:05:94:a6:1f:79 MLME: auth request, signal -54 (Accepted)
Sep 14 06:52:53 router2 daemon.info hostapd: ath1: STA b0:05:94:a6:1f:79 IEEE 802.11: authenticated
Sep 14 06:52:53 router2 daemon.info hostapd: ath1: STA b0:05:94:a6:1f:79 MLME: assoc request, signal -53 (Accepted)
Sep 14 06:52:53 router2 daemon.info hostapd: ath1: STA b0:05:94:a6:1f:79 IEEE 802.11: associated (aid 1)
Sep 14 06:52:53 router2 daemon.info hostapd: ath1: STA b0:05:94:a6:1f:79 RADIUS: starting accounting session 436CB1CFDDA43DFC
Sep 14 06:52:53 router2 daemon.info hostapd: ath1: STA b0:05:94:a6:1f:79 WPA: pairwise key handshake completed (RSN)


Here's a section of dmesg after I tried to apply the ack timing change to both radios:

[ 348.465486] ieee80211 phy0: cmd 0x9122=UpdateEncryption timed out
[ 348.471618] ieee80211 phy0: return code: 0x1122
[ 348.476166] ieee80211 phy0: timeout: 0x1122
[ 348.480367] ath0: failed to remove key (0, 10:40:f3:ee:26:3Cool from hardware (-5)
[ 348.488347] ieee80211 phy0: MACREG_REG_INT_CODE: 0x0000
[ 352.487489] ieee80211 phy0: cmd 0x9111=SetNewStation timed out
[ 352.493358] ieee80211 phy0: return code: 0x1111
[ 352.497907] ieee80211 phy0: timeout: 0x1111
[ 352.511994] ieee80211 phy0: MACREG_REG_INT_CODE: 0x0000
[ 356.511613] ieee80211 phy0: cmd 0x9122=UpdateEncryption timed out
[ 356.517735] ieee80211 phy0: return code: 0x1122
[ 356.522293] ieee80211 phy0: timeout: 0x1122
[ 356.526493] ath0: failed to remove key (0, 90:8c:43:4e:6a:5f) from hardware (-5)

it repeated this for a while. Then ath1 also started logging:

[ 420.965356] ieee80211 phy1: cmd 0x9125=BAStream timed out
[ 420.970780] ieee80211 phy1: return code: 0x1125
[ 420.975338] ieee80211 phy1: timeout: 0x1125
[ 420.979593] ieee80211 phy1: MACREG_REG_INT_CODE: 0x0000
[ 424.985467] ieee80211 phy1: cmd 0x9122=UpdateEncryption timed out
[ 424.991597] ieee80211 phy1: return code: 0x1122
[ 424.996144] ieee80211 phy1: timeout: 0x1122
[ 425.000344] ath1: failed to remove key (0, f0:18:98:6a:3d:e1) from hardware (-5)
[ 425.007865] ieee80211 phy1: MACREG_REG_INT_CODE: 0x0000
[ 429.006565] ieee80211 phy1: cmd 0x9111=SetNewStation timed out
[ 429.012437] ieee80211 phy1: return code: 0x1111
[ 429.016986] ieee80211 phy1: timeout: 0x1111
[ 429.021266] ieee80211 phy1: MACREG_REG_INT_CODE: 0x0000
[ 433.020604] ieee80211 phy1: cmd 0x9100=BssStart timed out
[ 433.026035] ieee80211 phy1: return code: 0x1100
[ 433.030583] ieee80211 phy1: timeout: 0x1100
[ 433.034797] ieee80211 phy1: MACREG_REG_INT_CODE: 0x0000
[ 437.035561] ieee80211 phy1: cmd 0x9114=SetApMode timed out
[ 437.041072] ieee80211 phy1: return code: 0x1114
[ 437.045630] ieee80211 phy1: timeout: 0x1114
[ 437.049831] ieee80211 phy1: MACREG_REG_INT_CODE: 0x0000
[ 441.051607] ieee80211 phy1: cmd 0x8129=LinkAdaptCsMode timed out
[ 441.057640] ieee80211 phy1: return code: 0x0129
[ 441.062198] ieee80211 phy1: timeout: 0x0129
Zyxx
DD-WRT User


Joined: 28 Dec 2018
Posts: 288

PostPosted: Tue Sep 15, 2020 7:15    Post subject: Reply with quote
One additional idea:

Usually all my WiFi devices are in flight mode during night.
All DD-WRT devices have keep alive configured to reboot them early in the morning (at least one hour until my WiFi devices are in use again).

Does this additional time between WiFi is up and "someone tries to use it" help settle things out?
(On the other hand everything connects a few seconds after the WRT1900ACS v2 is rebooted by hand...).
geps
DD-WRT Novice


Joined: 28 Sep 2009
Posts: 42

PostPosted: Wed Sep 16, 2020 8:15    Post subject: Reply with quote
Here are my settings with 44213. Sensitivity is set to 2000 for bot WPA2 networks.

Basic settings: https://i.imgur.com/bUAP0PT.png

Security settings: https://i.imgur.com/KnIgnNj.png

Anybody think there is any problematic setting for upgrade in my settings?
Zyxx
DD-WRT User


Joined: 28 Dec 2018
Posts: 288

PostPosted: Wed Sep 16, 2020 15:58    Post subject: Reply with quote
Auto setting for Channel selection is known to cause problems. Set this to one channel of your choice, to avoid connectivity issues.

Rest does look good to me (again on mobile, maybe I've missed another setting).
doniNZ74
DD-WRT User


Joined: 27 Apr 2016
Posts: 107
Location: Down down .... under

PostPosted: Fri Sep 18, 2020 3:53    Post subject: Reply with quote
Was having 5GHz issues with all the latest builds. v3.0-r44048 was fine for me, and today I had problems for the first time. Was up for 28 days without issues.

Reverted back to v3.0-r41102 std (09/22/19)

_________________
Linksys WRT1900ACv2 - My new go to build: DD-WRT v3.0-r44048 std (08/02/20) - STABLE Smile

My WRT1900ACv2 has now been serving me for more than 5years Smile Most reliable router I have ever owned!
Zyxx
DD-WRT User


Joined: 28 Dec 2018
Posts: 288

PostPosted: Fri Sep 18, 2020 7:24    Post subject: Reply with quote
28 days without reboot?
Any log entries available from before the downgrade?
geps
DD-WRT Novice


Joined: 28 Sep 2009
Posts: 42

PostPosted: Sun Sep 20, 2020 16:48    Post subject: Reply with quote
44406 has resolved all WiFi issues.
I kept automatic channel setting for my networks.
Thank you very much!
doniNZ74
DD-WRT User


Joined: 27 Apr 2016
Posts: 107
Location: Down down .... under

PostPosted: Mon Sep 21, 2020 2:54    Post subject: Reply with quote
Zyxx wrote:
28 days without reboot?
Any log entries available from before the downgrade?


Did not save them, working from home so did not have time to try diagnose. I will try the latest build tonight and see how that performs.

_________________
Linksys WRT1900ACv2 - My new go to build: DD-WRT v3.0-r44048 std (08/02/20) - STABLE Smile

My WRT1900ACv2 has now been serving me for more than 5years Smile Most reliable router I have ever owned!
doniNZ74
DD-WRT User


Joined: 27 Apr 2016
Posts: 107
Location: Down down .... under

PostPosted: Mon Sep 21, 2020 20:07    Post subject: Reply with quote
Upgraded to 44406, all good so far, up for 11 hours without and 5GHz connection issues.
_________________
Linksys WRT1900ACv2 - My new go to build: DD-WRT v3.0-r44048 std (08/02/20) - STABLE Smile

My WRT1900ACv2 has now been serving me for more than 5years Smile Most reliable router I have ever owned!
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