Just asking for recommendations on the procedure to swap from Kongs 12/12 build to the latest @hnyman version - is it Kong->stock->Hnyman or as simple as Kong->Hnyam with configuration resets in-between.
Kong to Hynman is fine and you don't have to reset settings. I keep going back and forth between the builds and never reset settings.
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If you don't mind, share your experiences with both Kong and Hnyman builds. I been thinking about trying Hnyman builds.
I like Hnyman's builds a bit more as it's light weight and you can install whatever you need. Also, with Hnyman's builds, total available memory is in the upper 350 MBs (for the most part) where as Kongs, always goes to 310 - 330 MBs. Not that it matters much as the free memory is more in R7800 on either builds, that's my observation and don't see any other significant benefit/difference in the two builds.
FWIW, I have been using Hnyman's for the most part, since I owned R7800, and like it a bit better.
And, last but not the least or the most important point is that Hnyman is readily available to answer any or all issues where as Kong is not to be seen and now, his thread is closed. 
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Thank You for that info!.. I will try Hnyman's builds!
Just switched my three r7800s from kong to the 12 December build today. Running one r7800 as the router, two as APs (thanks cyber monday sale!).
Only thing I changed from defaults -
- turned on both radios (wpa2)
- turned on 802.11r (just turned it on in gui, did nothing else...instructions said to do nothing with wpa2 devices)
- turned on firewall software offloading (router only)
Questions
- I’m getting about 650mbps download via a wired connection. There are tons of recommendations for CPU tweaks in the exploration thread. I’m interested in performance improvement but don’t want to sacrifice stability. Are most on here running some kind of performance CPU settings (if so what commands in a SSH session did you use to tweak your CPU for this build?) or just using the ondemand?
- anything else you would change to the above settings for max stability, fast hand offs, and performance?
Hi all,
Just switched to the owrt1907-r10784-e33a123140-20191212 build. All is working properly except dropbear. I cant get an ssh session. I always closes the connection.
In the logs it says that the Pulic key auth is successful but it receives a dissconect.
I tried going back to the older version I was running before but same problem there.
Here is the log:
Sun Dec 15 19:56:46 2019 authpriv.info dropbear[5611]: Child connection from 192.168.1.106:54962
Sun Dec 15 19:56:46 2019 authpriv.notice dropbear[5611]: Pubkey auth succeeded for 'root' with key sha1!! edited from 192.168.1.106:54962
Sun Dec 15 19:56:46 2019 authpriv.info dropbear[5611]: Exit (root): Disconnect received
Maybe I am not good at searching but I did not find much helpful info on StackOverflow.
Any ideas?
I've been using Kong's build for the r7800, and depending on the thread started by Jerrytouille. But the thread has been deleted and Kong is non-existant. I would like to install your build but don't understand your classification system. What are the master builds as opposed to the stable openwrt-19.07 build?
Thanks for any help.
I will try to step in here:
- 4.19 image can be considered delta or work in progress
- master - beta
- stable - more or less production version
Than there is a difference between network drivers: ct is newer and should be better maintained while "old" ath10k is more stable for some users.
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Went straight from Kong to the stable openwrt-19.7 - owrt1907-r10784-e33a123140-20191212 (ath10k-ct) sysupgrade. Works great. Very stable.
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Thanks for the explanation.
Thanks for the info. Thats the version I was going to start with. Glad it's going to work.
Anyone using kernel 4.19 builds? What do you think of them?
Mine (r11597-2fedf023e4) has been up for almost 18 days now, hard to tell if the crashes are fixed, I had uptime > 30 days on kernel 4.14 before it crashed.
I do use 4.19 since aproximately 2 weeks already without a single crash however I had no crashes with the previous kernel either. Maybe because my longest uptime is in a range of a week. 
I thought of trying 4.19 (R7800-master-r11675-16b01fb1b9-20191214-1942-sysupgrade.bin) and get this message when I flash from 4.14 (R7800-master-r11671-5cda133d99-20191213-1914-sysupgrade.bin). Is this normal going from 4.14 to 4.19?
Image metadata not found Use sysupgrade -F to override this check when downgrading or flashing to vendor firmware Image check failed.
The uploaded image file does not contain a supported format. Make sure that you choose the generic image format for your platform.
No, I have been able to switch between 4.14 and 4.19 quite normally.
Based on my recent flashing log for R7800 I have quite normally flashed from r11671 to r11675 with 4.19:
R7800-master-r11625-a512123a4b-20191206-1222-status.txt kernel 4.19 test
R7800-master-r11627-a428606646-20191207-1629-status.txt
R7800-owrt1907-r10784-e33a123140-20191212-2225-status.txt
R7800-master-r11671-5cda133d99-20191213-1914-status.txt
R7800-master-r11675-16b01fb1b9-20191214-1942-status.txt kernel 4.19 test
Have you downloaded successfully the image?
Did you check the image hash?
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Thanks. Not sure what happened but I logged out and logged back in and flashed the image and it worked fine.
One more question: What are your opinions on 4.19 vs 4.14? Which one do you like and do you see any performance benefit of one over the other?
I flashed 4.19 now and speed tests are marginally teeny weeny better and not sure whether there are any other benefits other than being on the latest and the greatest.
Here is my experience with 570mbs cable Internet and both latest builds.
As long i configure both builds with SQM and limit the speed to 500 mbs to have A or even A+ bufferbloat on DslReports i have a around 500mbs Internet on Kong and only up to 300 on Hnymen.
May be i am doing something wrong but looks like Kong build is much more optimized right now at high speed