New Build 41954: 01-09-2020-r41954

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volos
DD-WRT Novice


Joined: 25 Dec 2019
Posts: 14

PostPosted: Sun Jan 12, 2020 17:09    Post subject: Reply with quote
alain wrote:
Unfortunately, since a few builds, clients cannot see the AP any more when Wireless encryption is active.
All clients (different brands) cannot see the Wifi Router any more
It seems the bug has been introduced with 12-21-2019-r41771. Build 12-10-2019-r41686 still works fine. For all later builds, Wifi is not visible if encryption active.

Router Model: TP-Link TL-WDR4300 v1
CPU Model: Atheros AR9344 ver 1 rev 1.2 (0x2122)
Wireless Chipset: AR934x 802.11n WiSOC
Wireless mode: AP (ath0 + ath1)
Encryption: WPA Personal + AES

Logfiles attached

This is my experience as well with the latest build that works for my TP-Link TL-WDR4300 v1 being Build 12-10-2019-r41686
Sponsor
ho1Aetoo
DD-WRT User


Joined: 19 Feb 2019
Posts: 473

PostPosted: Sun Jan 12, 2020 17:42    Post subject: Reply with quote
tatsuya46 wrote:
ho1Aetoo wrote:
i was talking about WLAN (not WAN) to LAN
WLAN is encrypted and needs more CPU cycles as unencrypted traffic

simple iperf3 test @500mbit between WLAN and LAN client results in nearly 100% CPU usage of 1 core

Code:
[SUM]   0.00-60.03  sec  3.53 GBytes   505 Mbits/sec                  sender
[SUM]   0.00-60.03  sec  3.50 GBytes   501 Mbits/sec                  receiver


 55.8% idle  0.0% io  0.0% irq 43.9% sirq


which isnt normal anyway, compare that to latest kong build, his has WAY less cpu. same as kong or BS k3.18 builds, but as usual BS doesnt believe k4.x broke ipq806x in multiple ways.. (including ondemand scaling, thresholds still dont fix it properly)


v3.0-r40270M kongat

Code:
[SUM]   0.00-60.02  sec  4.45 GBytes   638 Mbits/sec                  sender
[SUM]   0.00-60.02  sec  4.42 GBytes   633 Mbits/sec                  receiver
55.6% idle  0.0% io  0.0% irq 43.6% sirq


Code:
root@DD-WRT:/tmp# ./mbw 32 | grep AVG
AVG   Method: MEMCPY   Elapsed: 0.04812   MiB: 32.00000   Copy: 665.033 MiB/s
AVG   Method: DUMB   Elapsed: 0.19541   MiB: 32.00000   Copy: 163.756 MiB/s
AVG   Method: MCBLOCK   Elapsed: 0.04836   MiB: 32.00000   Copy: 661.638 MiB/s



v3.0-r37495M kongat

Code:
[SUM]   0.00-60.03  sec  3.53 GBytes   505 Mbits/sec                  sender
[SUM]   0.00-60.03  sec  3.50 GBytes   501 Mbits/sec                  receiver
55.8% idle  0.0% io  0.0% irq 43.9% sirq


Code:
root@DD-WRT:/tmp# ./mbw 32
AVG   Method: MEMCPY   Elapsed: 0.04183   MiB: 32.00000   Copy: 765.060 MiB/s
AVG   Method: DUMB   Elapsed: 0.18342   MiB: 32.00000   Copy: 174.466 MiB/s
AVG   Method: MCBLOCK   Elapsed: 0.04189   MiB: 32.00000   Copy: 763.900 MiB/s


v3.0-r41954 std

Code:
[SUM]   0.00-60.04  sec  4.35 GBytes   622 Mbits/sec                  sender
[SUM]   0.00-60.04  sec  4.31 GBytes   617 Mbits/sec                  receiver
45.8% idle  0.0% io  0.0% irq 53.8% sirq


Code:
root@DD-WRT:/tmp# ./mbw 32 | grep AVG
AVG   Method: MEMCPY   Elapsed: 0.04208   MiB: 32.00000   Copy: 760.512 MiB/s
AVG   Method: DUMB   Elapsed: 0.18294   MiB: 32.00000   Copy: 174.920 MiB/s
AVG   Method: MCBLOCK   Elapsed: 0.04231   MiB: 32.00000   Copy: 756.258 MiB/s


all on governor performance..
tatsuya46
DD-WRT Guru


Joined: 03 Jan 2010
Posts: 7411
Location: YWG, Canada

PostPosted: Sun Jan 12, 2020 20:07    Post subject: Reply with quote
i dont know what that test is but wifi shows it and is affected even worse, especially when transmitting to devices. simple speedtest and looking at top output clearly shows it, thats how bad it is dont even have to dig for it. 86% idle on kong vs 50% idle on bs when pushing 315mbps to 1 device (any device).. and thats bridged too, the router is doing nothing but being an access point. if u have a (802.11ac) mobile device that has "wifi" sweetspots app, that will be ur friend in easily testing this and cpu load scaling and how it cripples even local performance etc..

(im always on performance, no amount of ondemand tweaking gets it the same as perf/k3.18 levels, always worse no matter)

_________________
LATEST FIRMWARE(S)

BrainSlayer wrote:
we just do it since we do not like any restrictions enforced by stupid cocaine snorting managers

[x86_64] Haswell i3-4150/QCA9984/QCA9882 ------> r45493 std
[QUALCOMM] DIR-862L --------------------------------> r45493 std
[QUALCOMM] WNDR4300 v1 --------------------------> r45493 std
[QUALCOMM] DIR-862L --------------------------------> r45493 std
▲ ACTIVE / INACTIVE ▼
[BROADCOM] DIR-860L A1 ----------------------------> r44901 std


If you use DSLReports please enable hi-res bufferbloat.


Sigh.. why do i exist anyway..
ho1Aetoo
DD-WRT User


Joined: 19 Feb 2019
Posts: 473

PostPosted: Sun Jan 12, 2020 20:36    Post subject: Reply with quote
My Router is in the normal "gateway" mode.
I measured the values per iperf3 between my Linux PC (1 GBit/s LAN) and my Pixel 3a XL (Qualcomm SDM670 Wave2 2x2 MIMO) with the command "iperf3 -c xxx.xxx.xxx.xxx -P12 -t 60" or recursive with "iperf3 -Rc xxx.xxx.xxx.xxx -P12 -t 60"

the other test (mbw) is a small tool to measure the memory bandwidth :

https://github.com/raas/mbw

https://forum.openwrt.org/t/r7800-cache-scaling-issue/44187

top shows on the BS build 10% more load, possible the CPU is maxed out, the 2x2 wifi link is it for sure
kroolas
DD-WRT Novice


Joined: 07 Apr 2014
Posts: 42

PostPosted: Mon Jan 13, 2020 0:01    Post subject: Reply with quote
aelfinn wrote:
alain wrote:
Unfortunately, since a few builds, clients cannot see the AP any more when Wireless encryption is active.
All clients (different brands) cannot see the Wifi Router any more
It seems the bug has been introduced with 12-21-2019-r41771. Build 12-10-2019-r41686 still works fine. For all later builds, Wifi is not visible if encryption active.

That seems to be exactly my experience (Router: TP-Link TL-WDR3600 v1).


so what version do you use now?

_________________
TP-Link TL-WDR3600 v1
DD-WRT v3.0-r42366 std (02/14/20)
Linux 3.10.108-d10 #38381
volos
DD-WRT Novice


Joined: 25 Dec 2019
Posts: 14

PostPosted: Mon Jan 13, 2020 3:36    Post subject: Reply with quote
kroolas wrote:
aelfinn wrote:
alain wrote:
Unfortunately, since a few builds, clients cannot see the AP any more when Wireless encryption is active.
All clients (different brands) cannot see the Wifi Router any more
It seems the bug has been introduced with 12-21-2019-r41771. Build 12-10-2019-r41686 still works fine. For all later builds, Wifi is not visible if encryption active.

That seems to be exactly my experience (Router: TP-Link TL-WDR3600 v1).


so what version do you use now?
Build 12-10-2019-r41686 should work
alain
DD-WRT Guru


Joined: 06 Jun 2006
Posts: 601

PostPosted: Mon Jan 13, 2020 16:09    Post subject: Reply with quote
tatsuya46 wrote:
<7>[ 6.880000] ieee80211 phy0: Selected rate control algorithm 'minstrel_ht'
<3>[ 6.890000] gpiochip_find_base: cannot find free range
<3>[ 6.890000] gpiochip_add: gpios -1..21 (ath9k-phy0) failed to register

<6>[ 6.900000] ieee80211 phy0: Atheros AR9340 Rev:0 mem=0xb8100000, irq=78
<4>[ 6.900000] PCI: Enabling device 0000:00:00.0 (0000 -> 0002)
<7>[ 6.920000] ath: EEPROM regdomain: 0x0
<7>[ 6.920000] ath: EEPROM indicates default country code should be used
<7>[ 6.920000] ath: doing EEPROM country->regdmn map search
<7>[ 6.920000] ath: country maps to regdmn code: 0x3a
<7>[ 6.920000] ath: Country alpha2 being used: US
<7>[ 6.920000] ath: Regpair used: 0x3a
<7>[ 6.930000] ieee80211 phy1: Selected rate control algorithm 'minstrel_ht'
<3>[ 6.930000] gpiochip_find_base: cannot find free range
<3>[ 6.940000] gpiochip_add: gpios -1..14 (ath9k-phy1) failed to register


well that looks like a problem..


I checked the log of the last working version, and it has the same message. Probably not related
MasterGoa
DD-WRT Novice


Joined: 18 Jan 2019
Posts: 31

PostPosted: Mon Jan 13, 2020 19:17    Post subject: Reply with quote
Excellent results on a WR1043ND V2.1.

Having said this, I use V3 FW on V2.1 HW. Is this OK
or should I use V2 FW instead?
kroolas
DD-WRT Novice


Joined: 07 Apr 2014
Posts: 42

PostPosted: Mon Jan 13, 2020 23:57    Post subject: Reply with quote
volos wrote:
kroolas wrote:
aelfinn wrote:
alain wrote:
Unfortunately, since a few builds, clients cannot see the AP any more when Wireless encryption is active.
All clients (different brands) cannot see the Wifi Router any more
It seems the bug has been introduced with 12-21-2019-r41771. Build 12-10-2019-r41686 still works fine. For all later builds, Wifi is not visible if encryption active.

That seems to be exactly my experience (Router: TP-Link TL-WDR3600 v1).


so what version do you use now?
Build 12-10-2019-r41686 should work


5GHz on r41686 is disaster. It keeps restarting. After some tests 36808M is the best in respect of stability/speed. Thanks anyway

_________________
TP-Link TL-WDR3600 v1
DD-WRT v3.0-r42366 std (02/14/20)
Linux 3.10.108-d10 #38381
Alozaros
DD-WRT Guru


Joined: 16 Nov 2015
Posts: 4104
Location: UK, London, just across the river..

PostPosted: Tue Jan 14, 2020 5:16    Post subject: Reply with quote
MasterGoa wrote:
Excellent results on a WR1043ND V2.1.

Having said this, I use V3 FW on V2.1 HW. Is this OK
or should I use V2 FW instead?


i can see reading and understanding problem....here

v2 firmware is only for 1043v2.1
v3 firmware is only for 1043v3

as they could have different hardware, you must not use different firmware's.... as this can brick your device...
I suggest from now long you use v2 for 1043v2 ...
I guess you are not that clever to try v5, thinking this is the last firmware for 1043....do you??

_________________
Atheros
TP-Link WR740Nv1 -----DD-WRT 44538 BS AP,NAT
TP-Link WR740Nv4 -----DD-WRT 44251 BS WAP/Switch
TP-Link WR1043NDv2 ---DD-WRT 45229 BS AP,NAT,AP Isolation,Firewall,Local DNS,Forced DNS,DoT,VPN,VLAN
TP-Link WR1043NDv2 ---DD-WRT 45493 BS AP,NAT,AD Block,Firewall,Local DNS,Forced DNS,DoT,VPN,VLAN
TP-Link WR1043NDv2 ---Gargoyle OS 1.12.0 AP,NAT,QoS,Quotas
Qualcomm/IPQ8065
Netgear R7800 -----DD-WRT 45493 BS AP,NAT,AD-Block,AP&Net Isolation,VLAN's,Firewall,Local DNS,DoT
Broadcom
Netgear R7000 -----DD-WRT 45493 BS AP,Wi-Fi OFF,NAT,AD-Block,Firewall,Local DNS,Forced DNS,DoT,VPN
-----------------------------------------------------------------------------------------------
Stubby for DNS over TLS I DNSCrypt v2 by mac913
BrainSlayer
Site Admin


Joined: 06 Jun 2006
Posts: 7037
Location: Dresden, Germany

PostPosted: Wed Feb 12, 2020 17:20    Post subject: Reply with quote
tatsuya46 wrote:
i dont know what that test is but wifi shows it and is affected even worse, especially when transmitting to devices. simple speedtest and looking at top output clearly shows it, thats how bad it is dont even have to dig for it. 86% idle on kong vs 50% idle on bs when pushing 315mbps to 1 device (any device).. and thats bridged too, the router is doing nothing but being an access point. if u have a (802.11ac) mobile device that has "wifi" sweetspots app, that will be ur friend in easily testing this and cpu load scaling and how it cripples even local performance etc..

(im always on performance, no amount of ondemand tweaking gets it the same as perf/k3.18 levels, always worse no matter)


it shoulds good values. but its a memory bandwidth test
and 50% idle (i have more idle, but who knows) is still 50% idle and unused. i get 800 mbit/s right now

_________________
"So you tried to use the computer and it started smoking? Sounds like a Mac to me.." - Louis Rossmann https://www.youtube.com/watch?v=eL_5YDRWqGE&t=60s
BrainSlayer
Site Admin


Joined: 06 Jun 2006
Posts: 7037
Location: Dresden, Germany

PostPosted: Wed Feb 12, 2020 17:23    Post subject: Reply with quote
kroolas wrote:
volos wrote:
kroolas wrote:
aelfinn wrote:
alain wrote:
Unfortunately, since a few builds, clients cannot see the AP any more when Wireless encryption is active.
All clients (different brands) cannot see the Wifi Router any more
It seems the bug has been introduced with 12-21-2019-r41771. Build 12-10-2019-r41686 still works fine. For all later builds, Wifi is not visible if encryption active.

That seems to be exactly my experience (Router: TP-Link TL-WDR3600 v1).


so what version do you use now?
Build 12-10-2019-r41686 should work


5GHz on r41686 is disaster. It keeps restarting. After some tests 36808M is the best in respect of stability/speed. Thanks anyway


there is no function which restarts wifi. client compatiblity issue? so is just your client disconnecting while the ap is still there?

_________________
"So you tried to use the computer and it started smoking? Sounds like a Mac to me.." - Louis Rossmann https://www.youtube.com/watch?v=eL_5YDRWqGE&t=60s
BrainSlayer
Site Admin


Joined: 06 Jun 2006
Posts: 7037
Location: Dresden, Germany

PostPosted: Wed Feb 12, 2020 18:28    Post subject: Reply with quote
anyway. even if i dont have problems with disconnecting client. there was a powersave related change recently. i modified the driver again a little bit with the hope it will make it better
_________________
"So you tried to use the computer and it started smoking? Sounds like a Mac to me.." - Louis Rossmann https://www.youtube.com/watch?v=eL_5YDRWqGE&t=60s
tatsuya46
DD-WRT Guru


Joined: 03 Jan 2010
Posts: 7411
Location: YWG, Canada

PostPosted: Wed Feb 12, 2020 21:11    Post subject: Reply with quote
BrainSlayer wrote:
tatsuya46 wrote:
i dont know what that test is but wifi shows it and is affected even worse, especially when transmitting to devices. simple speedtest and looking at top output clearly shows it, thats how bad it is dont even have to dig for it. 86% idle on kong vs 50% idle on bs when pushing 315mbps to 1 device (any device).. and thats bridged too, the router is doing nothing but being an access point. if u have a (802.11ac) mobile device that has "wifi" sweetspots app, that will be ur friend in easily testing this and cpu load scaling and how it cripples even local performance etc..

(im always on performance, no amount of ondemand tweaking gets it the same as perf/k3.18 levels, always worse no matter)


it shoulds good values. but its a memory bandwidth test
and 50% idle (i have more idle, but who knows) is still 50% idle and unused. i get 800 mbit/s right now


have u yet tried kong's last ddwrt build for ipq806x? the difference is night and day, something with cpu/cache/mem freq is BROKEN in kernel 4.1 ~ 4.19, and openwrt knows all about it now and trying to fix.

or compare ur last k3.18 build to the first k4.x build for r7800 when u switched kernels. i dont know how u can still not believe this issue exists, everything that touches the cpu is amplified in excess usage over normal. a single 80mhz 2x2 device at the same speeds on for example, a dir-862L, that single core 720mhz mips cpu has LESS usage (and latency) than a ipq806x5 going at the same throughput......

_________________
LATEST FIRMWARE(S)

BrainSlayer wrote:
we just do it since we do not like any restrictions enforced by stupid cocaine snorting managers

[x86_64] Haswell i3-4150/QCA9984/QCA9882 ------> r45493 std
[QUALCOMM] DIR-862L --------------------------------> r45493 std
[QUALCOMM] WNDR4300 v1 --------------------------> r45493 std
[QUALCOMM] DIR-862L --------------------------------> r45493 std
▲ ACTIVE / INACTIVE ▼
[BROADCOM] DIR-860L A1 ----------------------------> r44901 std


If you use DSLReports please enable hi-res bufferbloat.


Sigh.. why do i exist anyway..
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