Best build for the wrt1900ac v1. Build r31924

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ehaefele
DD-WRT Novice


Joined: 04 Jan 2018
Posts: 1

PostPosted: Wed Feb 21, 2018 15:56    Post subject: Reply with quote
Starting to get excited. Loaded r34760.
root@xxxxxxx:~# uptime
10:42:44 up 7:02, load average: 0.00, 0.00, 0.00
7hrs is longer than I got on any post 31924 build. Load has been low but hammered it with a few GB of torrents. 5ghz stable. SMB 2.0 works. Busybox is fixed so entware installs. I'll report back tomorrow or if it reboots.

Update: Up 35hrs now looking good.
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kripler7
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Joined: 22 Feb 2018
Posts: 1

PostPosted: Thu Feb 22, 2018 19:47    Post subject: Reply with quote
Hey folks. I'm new here. I just successfully got DDWRT running on my 1900ACv1. I'm just doing the general set up. My question to ya'll is, are the limitations stated in this wiki outdated? like in the 5ghz section or can I use other settings. : https://www.dd-wrt.com/wiki/index.php/Linksys_WRT1900AC

Thanks!
Gazooo
DD-WRT Novice


Joined: 31 Mar 2015
Posts: 27

PostPosted: Sat Mar 10, 2018 11:10    Post subject: Reply with quote
ehaefele wrote:

Update: Up 35hrs now looking good.


Thanks for this. I've been on this build for a few days now and no reboots and stable Smile
TedCheeze
DD-WRT Novice


Joined: 01 Feb 2016
Posts: 8

PostPosted: Sun Mar 18, 2018 4:26    Post subject: Reply with quote
I have a WRT1900AC v1 with v3.0-r31924 std (05/02/17) with Linux 3.18.51 #131 SMP Sun Apr 30 20:34:24 CEST 2017 armv7l installed and has now been up for 39 days and 18+ hours without any problems. I posted that this unit had already been up 11 days without a problem on Feb 18th.
-----
I happened upon a second WRT1900AC v1 at a Goodwill thrift store. I installed r34876 build on that unit. I did nothing except install the build, changed default password, and power cycled the router. It just sits on the counter, no Ethernet or WiFi connections. It crashes and reboots roughly every 20-25 minutes. When it crashes it goes back to the default settings, including password. After the third crash I changed the password, and changed the LAN address to 10.0.0.1. I went back to it 30 minutes later and it had rebooted with default settings again, and the LAN went back to 192.168.1.1.

I repeated this with builds r34411, r34578, and r35034. The results were the same except the length of time before reboot varied for each build.

So thinking I had acquired a unit with damaged NVRAM Sad, I then installed v3.0-r31924 std (05/02/17) with Linux 3.18.51 #131 SMP Sun Apr 30 20:34:24 CEST 2017 armv7l on the second unit. Well I pleasantly found myself to be wrong about the NVRAM Shocked , this unit has now been up and running now for 6 days and 7+ hours without a problem.

The only thought I can come with is the version 1 processor does not support Linux 4.x.x kernel Confused, r31924 seems to be the last 3.x.x kernel build for this device.

I'm sticking with r31924 for WRT1900AC v1.
nickant
DD-WRT User


Joined: 09 Feb 2016
Posts: 151

PostPosted: Sun Mar 18, 2018 7:14    Post subject: Reply with quote
That seems to be the common viewpoint.
On my v1, r31924 lasted up to 11 days but still eventually restarted.
I'm currently trying r35244.
The first time it lasted 2 days 7 hours.
This time its been up for 5 days 7 hours so far.

_________________
------------------------------------
Linksys EA8500 DD-WRT r41686 (Gateway + OpenVPN Client)
Linksys WRT1900ACv1 DD-WRT r41686 (AP)
Netgear/Telstra V7610 (spare AP)
Billion BiPAC 7800NXL (spare AP)
Netgear WNDR3700v4 DD-WRT r41369 (spare Gateway + OpenVPN Client)
Photos: https://www.flickr.com/photos/nickant44/albums
wrtboy
DD-WRT Novice


Joined: 15 Jan 2018
Posts: 2

PostPosted: Sun Apr 01, 2018 17:45    Post subject: Reply with quote
TedCheeze wrote:
The only thought I can come with is the version 1 processor does not support Linux 4.x.x kernel


have you considered trying openwrt? i have a wrt1900ac v1 working quite stable without any reboot with kernel 4.14.29.
kazn
DD-WRT Novice


Joined: 17 Oct 2017
Posts: 1

PostPosted: Sun Apr 01, 2018 19:46    Post subject: Reply with quote
wrtboy wrote:
TedCheeze wrote:
The only thought I can come with is the version 1 processor does not support Linux 4.x.x kernel


have you considered trying openwrt? i have a wrt1900ac v1 working quite stable without any reboot with kernel 4.14.29.


hi, how do u flash from ddwrt to openwrt? Question
wrtboy
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Joined: 15 Jan 2018
Posts: 2

PostPosted: Mon Apr 02, 2018 0:26    Post subject: Reply with quote
kazn wrote:
hi, how do u flash from ddwrt to openwrt?

i personally have not tried directly flashing the wrt1900ac to openwrt directly from dd-wrt; although the risk is low given its dual firmware partition--as long as one partition contains a working firmware.

there are a couple of ways to achieve this. if one of its partitions contains the stock linksys firmware, boot to its stock linksys firmware and re-flash it to openwrt. the result is you will then boot to openwrt while keeping the other partition with stock linksys firmware.

alternatively, you can simply flash from dd-wrt to stock linksys firmware, then flash from linksys to openwrt.
tinkermaker
DD-WRT Novice


Joined: 16 Jun 2017
Posts: 3

PostPosted: Sun Apr 29, 2018 10:45    Post subject: Reply with quote
Checking in to see if there were any newer builds available and surprised to see you guys still running r31924

Conversely to most reports here, I installed brainslayer r33006 around 9 months ago now and don't get random reboots or any major problems at all.

I occasionally get some packet loss on my network, but i'm unsure if that's due to shoddy network cabling from years ago. Other than that - it's been nice and stable for me for a LONG time. WRT1900ACS v1 here. I reboot it myself every few weeks or so, just for a clear out.

Firmware Version DD-WRT v3.0-r33006 std (08/03/17)
Kernel VersionLinux 4.9.40 #35 SMP Sat Jul 29 03:12:47 CEST 2017 armv7l
iDLE
DD-WRT Novice


Joined: 02 Nov 2006
Posts: 2

PostPosted: Mon May 07, 2018 14:16    Post subject: Reply with quote
I have same firmware version (r35244) up and running without problems.

root@HOME:~# uname -a
Linux HOME 4.9.86 #113 SMP PREEMPT Sun Mar 4 21:30:55 CET 2018 armv7l DD-WRT
root@HOME:~# uptime
11:14:55 up 4 days, 14:40, load average: 0.00, 0.01, 0.00
root@HOME:~#


nickant wrote:
That seems to be the common viewpoint.
On my v1, r31924 lasted up to 11 days but still eventually restarted.
I'm currently trying r35244.
The first time it lasted 2 days 7 hours.
This time its been up for 5 days 7 hours so far.
BillyS
DD-WRT Novice


Joined: 19 Jan 2017
Posts: 17

PostPosted: Thu May 10, 2018 12:18    Post subject: Reply with quote
tinkermaker wrote:
Checking in to see if there were any newer builds available and surprised to see you guys still running r31924

Conversely to most reports here, I installed brainslayer r33006 around 9 months ago now and don't get random reboots or any major problems at all.

I occasionally get some packet loss on my network, but i'm unsure if that's due to shoddy network cabling from years ago. Other than that - it's been nice and stable for me for a LONG time. WRT1900ACS v1 here. I reboot it myself every few weeks or so, just for a clear out.

Firmware Version DD-WRT v3.0-r33006 std (08/03/17)
Kernel VersionLinux 4.9.40 #35 SMP Sat Jul 29 03:12:47 CEST 2017 armv7l

You're router isn't rebooting because it's not the router this thread is talking about:

WRT1900AC v1 is quite different than your WRT1900ACS v1
unique_suresh
DD-WRT Novice


Joined: 09 Jul 2017
Posts: 13

PostPosted: Fri Jun 08, 2018 5:41    Post subject: Just Curious Reply with quote
It been long time I have been waiting for stable dd-wrt release for WRT1900AC V1. Like everyone else I tried different version of dd-wrt and settled down in r31924 version for stability (Thanks for all your effort to point me to stable version). Recent discussion about CRACK and other security issues I am really looking for an working version of updated dd-wrt. However let's face it dd-wrt is not an issue here. We have hardware which is not good one or not supported as much as we anticipated.

I would like to get some update on what are we waiting for here to have stable release WRT1900AC V1 release. I would like to know why Linux Kernel 4.x is not working/supported and what we need to have a stable build for this router.

Sorry if this is already discussed enough I would like to know what would be root cause of this.

PS : Feeling bad to through a hardware I spent 170 dollars on Crying or Very sad

Thanks
kaivalagi
DD-WRT Novice


Joined: 01 Apr 2017
Posts: 5

PostPosted: Mon Jun 11, 2018 20:40    Post subject: Re: Just Curious Reply with quote
unique_suresh wrote:

I would like to know why Linux Kernel 4.x is not working/supported and what we need to have a stable build for this router.


Not sure on the reasoning on what is flagged as stable or not but I am running the latest beta r36104 which uses Linux 4.9 kernel without issue. I upgraded from a release before the current stable release and all is well (I'm running 1900acs v1)

...and if you want you can revert without much fuss by switching back to the previous partition. All without losing config. See the install/upgrade sticky thread for details.
spuriousoffspring
DD-WRT Guru


Joined: 05 Apr 2017
Posts: 983
Location: South of Heaven, USA

PostPosted: Mon Jun 11, 2018 20:52    Post subject: Re: Just Curious Reply with quote
kaivalagi wrote:
unique_suresh wrote:

I would like to know why Linux Kernel 4.x is not working/supported and what we need to have a stable build for this router.


Not sure on the reasoning on what is flagged as stable or not but I am running the latest beta r36104 which uses Linux 4.9 kernel without issue. I upgraded from a release before the current stable release and all is well (I'm running 1900acs v1)

...and if you want you can revert without much fuss by switching back to the previous partition. All without losing config. See the install/upgrade sticky thread for details.


The issues described in this thread are for the WRT1900AC v1 only.
The frequent, random reboots due to the CPU Idle and 4.9 Kernel do not affect your router. You shouldn't have an issue with the latest builds.

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FIRMWARE: OpenWrt SNAPSHOT r8217-2cc821e / LuCI Master (git-18.276.41146-280dd33)
MODEM: ARRIS SURFBoard SB8200
ROUTER: Linksys WRT32X
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Digidog
DD-WRT Novice


Joined: 21 May 2008
Posts: 3
Location: Canada

PostPosted: Fri Jun 22, 2018 7:06    Post subject: Reply with quote
It is known that CPU_IDLE is the culprit in this SOC, why can't it be turned off in newer kernel versions ?

LEDE has resorted to doing that, or at least in community builds. I would love to run my mamba with the latest and greatest ....
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