Linksys WRT1900AC v.1 Owners_Please Read!!

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ATHF
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PostPosted: Fri Oct 20, 2017 23:44    Post subject: Reply with quote
spuriousoffspring wrote:

I installed a Syslog Server (Syslog Watcher 4) on my Windows 10 Desktop and I was able to capture the logs at the time of crash+reboot.


Nice, I have been using that since I came here, have two running since the limit is 5 devices for free.

I am not sure if this still holds true or not, but when it crashes it usually stops sending the logs to the server pretty quick, I have used my USB to TTL cable on the 3200 to get the terminal logs, shows a lot more than get sent to the server.

And, Sofa King, is that in reference to an ATHF episode?

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spuriousoffspring
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Joined: 05 Apr 2017
Posts: 981
Location: Louisiana, USA

PostPosted: Sat Oct 21, 2017 1:22    Post subject: Reply with quote
I did not know that about the syslog and serial connection. It does explain why I haven’t seen anything of value in the log I captured.
Several months ago I bought the necessary parts to install a 3.5mm jack to serial port and an FTDI USB to 3.5mm cable. I’ve been waiting until I needed to recover the router via serial cable to install it, but I guess there is another good reason to do it sooner.

As for the 'Sofa King...' I was looking for something clever to put as a quote and I remembered one of my classmates in Grammar / High school (late 80's or early 90's) wrote that on the chalkboard. We got a kick of out the teacher trying to figure it out by reading it aloud over & over - until it clicked. Mr. Green

_________________
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FIRMWARE: OpenWrt SNAPSHOT r8217-2cc821e / LuCI Master (git-18.276.41146-280dd33)
MODEM: ARRIS SURFBoard SB8200
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jonfr780
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Joined: 03 Sep 2016
Posts: 65

PostPosted: Sat Oct 21, 2017 4:22    Post subject: Reply with quote
I suspect that Linksys wrt 1900AC (and older) where built for kernel versions 3.10 - 3.16. Based on the kernel website kernel 3.16 is safe to use until 2020.

https://www.kernel.org/category/releases.html

I don't have the computer to do this yet (developer computers require a special set-up), but I can build a new version of dd-wrt with kernel version 3.16 if I can get information about what kernel settings are valid (I rather not guess). What I lack is a special develop computer and I won't have that for the next 12 months or so.
spuriousoffspring
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Joined: 05 Apr 2017
Posts: 981
Location: Louisiana, USA

PostPosted: Sat Oct 21, 2017 4:43    Post subject: Reply with quote
jonfr780 wrote:
I suspect that Linksys wrt 1900AC (and older) where built for kernel versions 3.10 - 3.16. Based on the kernel website kernel 3.16 is safe to use until 2020.

https://www.kernel.org/category/releases.html

I don't have the computer to do this yet (developer computers require a special set-up), but I can build a new version of dd-wrt with kernel version 3.16 if I can get information about what kernel settings are valid (I rather not guess). What I lack is a special develop computer and I won't have that for the next 12 months or so.


Appreciate the offer! Very Happy Hopefully Brainslayer will come up with something for all us with a wrt1900ac v1

LEDE has a build specifically for the v1 with the 4.4 Kernel and it seems stable from what I’ve read.
https://davidc502sis.dynamic-dns.net/snapshots/Kernel_4.4/r4707/targets/mvebu/generic/

31924 Kernel: Linux 3.18.51 #131 SMP Sun Apr 30 20:34:24 CEST 2017 armv7l

As soon as I have the money, I’m gonna get a wrt3200 and either use my v1 as a AP or donate it.
Awhile back Linksys was selling refurbshed 3200's for $99.

_________________
DD-WRT Installation & Setup TUTORIAL
http://www.dd-wrt.com/phpBB2/viewtopic.php?t=311117

WRT32X DD-WRT Installation Procedure
https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=315569

IPVanish OpenVPN Client Setup TUTORIAL
http://www.dd-wrt.com/phpBB2/viewtopic.php?t=308565

FIRMWARE: OpenWrt SNAPSHOT r8217-2cc821e / LuCI Master (git-18.276.41146-280dd33)
MODEM: ARRIS SURFBoard SB8200
ROUTER: Linksys WRT32X
USB NAS: Western Digital BLACK 1 TB Hardrive + Startech USB 3.0 External SATA III Enclosure
jonfr780
DD-WRT User


Joined: 03 Sep 2016
Posts: 65

PostPosted: Sat Oct 21, 2017 14:20    Post subject: Reply with quote
spuriousoffspring wrote:
jonfr780 wrote:
I suspect that Linksys wrt 1900AC (and older) where built for kernel versions 3.10 - 3.16. Based on the kernel website kernel 3.16 is safe to use until 2020.

https://www.kernel.org/category/releases.html

I don't have the computer to do this yet (developer computers require a special set-up), but I can build a new version of dd-wrt with kernel version 3.16 if I can get information about what kernel settings are valid (I rather not guess). What I lack is a special develop computer and I won't have that for the next 12 months or so.


Appreciate the offer! Very Happy Hopefully Brainslayer will come up with something for all us with a wrt1900ac v1

LEDE has a build specifically for the v1 with the 4.4 Kernel and it seems stable from what I’ve read.
https://davidc502sis.dynamic-dns.net/snapshots/Kernel_4.4/r4707/targets/mvebu/generic/

31924 Kernel: Linux 3.18.51 #131 SMP Sun Apr 30 20:34:24 CEST 2017 armv7l

As soon as I have the money, I’m gonna get a wrt3200 and either use my v1 as a AP or donate it.
Awhile back Linksys was selling refurbshed 3200's for $99.


I'm in Europe so anything from U.S is not going to work. There is a hardware difference, mostly WLAN channels lockout. Since Europe has different frequency planning on WLAN than U.S does. Along with difference in transmitting powers (max is 200mW for 5Ghz channel, max is 100mW for 2,4Ghz channels).

Building the proper software is not the issue (at least not for me once I learn the details on how to do it). While Linksys WRT 1900AC and older are EOL from Linksys perspective the hardware is good and can last at least good five years.

I do plan on getting a bigger router in few years time due to 4K video streaming requirements.
myersw
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Joined: 13 Jun 2006
Posts: 1608
Location: SE Michigan USA

PostPosted: Sat Oct 21, 2017 16:20    Post subject: Reply with quote
spuriousoffspring wrote:
As soon as I have the money, I’m gonna get a wrt3200 and either use my v1 as a AP or donate it.
Awhile back Linksys was selling refurbshed 3200's for $99.


I think you will be happy with a wrt3200. Mine runs very well. Cost $125 on Ebay. Guy got sick of no good DD-WRT builds for it. Was early in the cycle, bought it a year ago this month. I ran several months with the OEM for stability while testing various builds only to go back to OEM because of issues. For me the issues have been resolved, know some folks trying to do fancy stuff are having issues, but I do not think that is a product of bad wireless support at this time. Both DD-WRT and LEDE run about equal right now with a slight lean toward LEDE. With LEDE I get a tree UI which I like from back in the Tomato days and the config is all text files so can make changes should you want that is not available in the UI. As you know, the basic LEDE does not come with a WEB UI so you have to configure by hand, so to speak. Done that, but the UI is much easier.
--bill

_________________
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tutorial for flashing "WRT" series:
http://www.dd-wrt.com/phpBB2/viewtopic.php?t=287813
DD-WRT Installation, Upgrade & Basic Setup–Cliff Notes:
http://www.dd-wrt.com/phpBB2/viewtopic.php?t=311117
Kong DD-WRT Config Tutorial:
http://www.instructables.com/id/Install-and-Configure-a-DD-WRT-Kong-Router/
I tried to be normal once. Worst 2 minutes ever.
spuriousoffspring
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Joined: 05 Apr 2017
Posts: 981
Location: Louisiana, USA

PostPosted: Sat Oct 21, 2017 16:41    Post subject: Reply with quote
I do like the look of the Tomato UI. Would be nice if they supported more routers.

I have come to like DD-WRT very much. I really hope the issue with the Kernel on the WRT1900AC v1 gets resolved soon, but I will definitely check out eBay.

Thanks, Bill ! Mr. Green

_________________
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http://www.dd-wrt.com/phpBB2/viewtopic.php?t=311117

WRT32X DD-WRT Installation Procedure
https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=315569

IPVanish OpenVPN Client Setup TUTORIAL
http://www.dd-wrt.com/phpBB2/viewtopic.php?t=308565

FIRMWARE: OpenWrt SNAPSHOT r8217-2cc821e / LuCI Master (git-18.276.41146-280dd33)
MODEM: ARRIS SURFBoard SB8200
ROUTER: Linksys WRT32X
USB NAS: Western Digital BLACK 1 TB Hardrive + Startech USB 3.0 External SATA III Enclosure
chard5230
DD-WRT Novice


Joined: 12 Oct 2014
Posts: 4

PostPosted: Tue Oct 24, 2017 3:08    Post subject: donate Reply with quote
If ever they make a 31924 patched with krack ill be glad to donate also rather than buying a new router which im planning on my salary day.

I only use openVPN and wifi services but i still got random reboot.
spuriousoffspring
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Joined: 05 Apr 2017
Posts: 981
Location: Louisiana, USA

PostPosted: Tue Oct 24, 2017 3:33    Post subject: Re: donate Reply with quote
chard5230 wrote:
If ever they make a 31924 patched with krack ill be glad to donate also rather than buying a new router which im planning on my salary day.

I only use openVPN and wifi services but i still got random reboot.


Same here. I may actually skip a car payment. Mr. Green

Keep an eye on ticket #6010:
http://svn.dd-wrt.com/ticket/6010

_________________
DD-WRT Installation & Setup TUTORIAL
http://www.dd-wrt.com/phpBB2/viewtopic.php?t=311117

WRT32X DD-WRT Installation Procedure
https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=315569

IPVanish OpenVPN Client Setup TUTORIAL
http://www.dd-wrt.com/phpBB2/viewtopic.php?t=308565

FIRMWARE: OpenWrt SNAPSHOT r8217-2cc821e / LuCI Master (git-18.276.41146-280dd33)
MODEM: ARRIS SURFBoard SB8200
ROUTER: Linksys WRT32X
USB NAS: Western Digital BLACK 1 TB Hardrive + Startech USB 3.0 External SATA III Enclosure
blenn
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Joined: 02 May 2017
Posts: 87
Location: Sweden

PostPosted: Tue Oct 24, 2017 6:06    Post subject: Dos 33555 finally work on 1900AC V1 Reply with quote
I do not own a 1900AC V1 myself, but I would like to draw your attention to this discussion thread: http://www.dd-wrt.com/phpBB2/viewtopic.php?t=311801&start=26
Users CommoSGT and mike240se are reporting r33555 to not trigger the infamous self-reboot issue. Interesting!

_________________
Linksys WRT1900ACS V2 dd-wrt bs r35034
Netgear R8000 dd-wrt kongac r36440M
jonfr780
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Joined: 03 Sep 2016
Posts: 65

PostPosted: Wed Oct 25, 2017 9:36    Post subject: Reply with quote
The problem here is that kernel 4.9.x and above (even kernel 4.4 falls into this) is what is called bleeding edge. For things like routers and hardware that needs to run for days on end without rebooting bleeding edge is a bad idea. I once thought my self that kernel 4.9 was a good idea for Linksys routers (can be seen in older threats here). But I was terribly wrong on that.

Once I build my build computer to build my own version of dd-wrt firmware for Linksys wrt 1900AC router, that computer is going to be running kernel 3.16.x. I'm not going to touch the 4.14 kernel or 4.9 kernel series if I can (some software might require the newest kernel, but I'll see if I can avoid it on the Linux build computer).

Bleeding edge, https://en.wikipedia.org/wiki/Bleeding_edge_technology
myersw
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Joined: 13 Jun 2006
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PostPosted: Wed Oct 25, 2017 15:59    Post subject: Reply with quote
jonfr780 wrote:
The problem here is that kernel 4.9.x and above (even kernel 4.4 falls into this) is what is called bleeding edge. For things like routers and hardware that needs to run for days on end without rebooting bleeding edge is a bad idea. I once thought my self that kernel 4.9 was a good idea for Linksys routers (can be seen in older threats here). But I was terribly wrong on that.

Once I build my build computer to build my own version of dd-wrt firmware for Linksys wrt 1900AC router, that computer is going to be running kernel 3.16.x. I'm not going to touch the 4.14 kernel or 4.9 kernel series if I can (some software might require the newest kernel, but I'll see if I can avoid it on the Linux build computer).

Bleeding edge, https://en.wikipedia.org/wiki/Bleeding_edge_technology

Following that logic everyone would still be running Windows 7. Wink

_________________
Unifi Security Gateway: Unifi Firmware
Netgear r7800: Voxel Firmware
Modem:Netgear CM500V voice and Data.
ISP:Comcast
tutorial for flashing "WRT" series:
http://www.dd-wrt.com/phpBB2/viewtopic.php?t=287813
DD-WRT Installation, Upgrade & Basic Setup–Cliff Notes:
http://www.dd-wrt.com/phpBB2/viewtopic.php?t=311117
Kong DD-WRT Config Tutorial:
http://www.instructables.com/id/Install-and-Configure-a-DD-WRT-Kong-Router/
I tried to be normal once. Worst 2 minutes ever.
spuriousoffspring
DD-WRT Guru


Joined: 05 Apr 2017
Posts: 981
Location: Louisiana, USA

PostPosted: Wed Oct 25, 2017 16:15    Post subject: Reply with quote
All I want for Christmas is a 4.4 Kernel DD-WRT build. Mr. Green

I'm not so much concerned with what may happen or what will happen years from now.
I just want a secure router that only reboots when I tell it to.

_________________
DD-WRT Installation & Setup TUTORIAL
http://www.dd-wrt.com/phpBB2/viewtopic.php?t=311117

WRT32X DD-WRT Installation Procedure
https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=315569

IPVanish OpenVPN Client Setup TUTORIAL
http://www.dd-wrt.com/phpBB2/viewtopic.php?t=308565

FIRMWARE: OpenWrt SNAPSHOT r8217-2cc821e / LuCI Master (git-18.276.41146-280dd33)
MODEM: ARRIS SURFBoard SB8200
ROUTER: Linksys WRT32X
USB NAS: Western Digital BLACK 1 TB Hardrive + Startech USB 3.0 External SATA III Enclosure
blenn
DD-WRT User


Joined: 02 May 2017
Posts: 87
Location: Sweden

PostPosted: Wed Oct 25, 2017 18:42    Post subject: Reply with quote
jonfr780 wrote:
The problem here is that kernel 4.9.x and above (even kernel 4.4 falls into this) is what is called bleeding edge. For things like routers and hardware that needs to run for days on end without rebooting bleeding edge is a bad idea. I once thought my self that kernel 4.9 was a good idea for Linksys routers (can be seen in older threats here). But I was terribly wrong on that.

Once I build my build computer to build my own version of dd-wrt firmware for Linksys wrt 1900AC router, that computer is going to be running kernel 3.16.x. I'm not going to touch the 4.14 kernel or 4.9 kernel series if I can (some software might require the newest kernel, but I'll see if I can avoid it on the Linux build computer).

Bleeding edge, https://en.wikipedia.org/wiki/Bleeding_edge_technology


@jonfr: Bleeding edge refers to "brand new" (at least partially untested) technology. Linux kernel 4.9 was considered stable for everyday use in December 2016 and kernel 4.4 was considered stable in January 2016. Bug fixes and updates for these kernels have been published regularly since the release dates. This is hardly bleeding edge! You could actually cause even more problems trying to implement an older kernel (for example using kernel 3.16, released August 2014) when you run into compatibility issues with brand new drivers developed for newer hardware.

I believe the actual word you are looking for is "beta software". Beta indicates that the testing process is ongoing and the software is not ready for release. All dd-wrt software discussed in these forums are considered beta level and our discussions and reporting is used to iron out bugs and flaws. In fact, the beta software we test is using bleeding edge software drivers from Marvell and other vendors. But the kernels used are old stable versions.

We all hope that a solution to the WRT1900AC V1 reboot issue is soon found. Whether the problem is located in the actual kernel itself or in the kernel/driver implementations remains to be seen. We keep our fingers crossed!

_________________
Linksys WRT1900ACS V2 dd-wrt bs r35034
Netgear R8000 dd-wrt kongac r36440M
myersw
DD-WRT Guru


Joined: 13 Jun 2006
Posts: 1608
Location: SE Michigan USA

PostPosted: Wed Oct 25, 2017 23:53    Post subject: Reply with quote
blenn wrote:
jonfr780 wrote:
The problem here is that kernel 4.9.x and above (even kernel 4.4 falls into this) is what is called bleeding edge. For things like routers and hardware that needs to run for days on end without rebooting bleeding edge is a bad idea. I once thought my self that kernel 4.9 was a good idea for Linksys routers (can be seen in older threats here). But I was terribly wrong on that.

Once I build my build computer to build my own version of dd-wrt firmware for Linksys wrt 1900AC router, that computer is going to be running kernel 3.16.x. I'm not going to touch the 4.14 kernel or 4.9 kernel series if I can (some software might require the newest kernel, but I'll see if I can avoid it on the Linux build computer).

Bleeding edge, https://en.wikipedia.org/wiki/Bleeding_edge_technology


@jonfr: Bleeding edge refers to "brand new" (at least partially untested) technology. Linux kernel 4.9 was considered stable for everyday use in December 2016 and kernel 4.4 was considered stable in January 2016. Bug fixes and updates for these kernels have been published regularly since the release dates. This is hardly bleeding edge! You could actually cause even more problems trying to implement an older kernel (for example using kernel 3.16, released August 2014) when you run into compatibility issues with brand new drivers developed for newer hardware.

I believe the actual word you are looking for is "beta software". Beta indicates that the testing process is ongoing and the software is not ready for release. All dd-wrt software discussed in these forums are considered beta level and our discussions and reporting is used to iron out bugs and flaws. In fact, the beta software we test is using bleeding edge software drivers from Marvell and other vendors. But the kernels used are old stable versions.

We all hope that a solution to the WRT1900AC V1 reboot issue is soon found. Whether the problem is located in the actual kernel itself or in the kernel/driver implementations remains to be seen. We keep our fingers crossed!

Thanks for the very good answer. Said better then I could have.

_________________
Unifi Security Gateway: Unifi Firmware
Netgear r7800: Voxel Firmware
Modem:Netgear CM500V voice and Data.
ISP:Comcast
tutorial for flashing "WRT" series:
http://www.dd-wrt.com/phpBB2/viewtopic.php?t=287813
DD-WRT Installation, Upgrade & Basic Setup–Cliff Notes:
http://www.dd-wrt.com/phpBB2/viewtopic.php?t=311117
Kong DD-WRT Config Tutorial:
http://www.instructables.com/id/Install-and-Configure-a-DD-WRT-Kong-Router/
I tried to be normal once. Worst 2 minutes ever.
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