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    Diversion Diversion 5.1.3 - the Router Ad-Blocker, May 09, 2024

    Alright, good 10 days now. The issue with "dnsmasq[4391]: FAILED to start up" seems to have disappeared! I am even using the latest 513 diversion script in /opt/bin since the changes from 511 in it are trivial. However, I replaced 3 directories from 5.1.1 backup in /opt/share/diversion/...
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    Diversion Diversion 5.1.3 - the Router Ad-Blocker, May 09, 2024

    Rolled back to 5.1.1 using one of my backups, and copying stuff selectively to /opt/share/diversion from the backup. Also replaced /opt/bin/diversion to 511. Running dnsmasq 2.90. Stuff seems to be working now. Will see how that goes over the days.
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    Diversion Diversion 5.1.3 - the Router Ad-Blocker, May 09, 2024

    OK! But nothing in 5.1.3 that'd make it incompatible with dnsmasq 2.89? Did the Diversion script evolve or the config files?
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    Skynet New Skynet 7.6.3 Release

    Why did Skynet checksum change - the version stated the same, 7.5.9. See the 2 screenshots. I am running an older dnsmasq (2.89) on top of the latest FW trying to sort out some issues, but I would not think it matters?
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    Diversion Diversion 5.1.3 - the Router Ad-Blocker, May 09, 2024

    Alright, after more issues I disabled the custom DNS instance in Diversion, sending excluded devices to Google - 8.8.8.8 And I ran into another issue! A Diversion initiated restart gave this error: Jun 7 04:06:52 syslogd exiting Jun 7 04:06:54 RT-AC86U-9988 Diversion: restarted Dnsmasq to...
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    AC86U: boot the prior "bootfs_update" mtd as is?

    What I meant is that when an update file is created such as when a new firmware version is packaged, one could potentially create a blank update file that will not write anything, but will trigger the partition swap. But all I actually needed was to pull the old dnsmasq 2.89 from...
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    AC86U: boot the prior "bootfs_update" mtd as is?

    OK! I am now thinking that emptying an update file so that it writes nothing, but makes the system think that an update has happened and switches the partitions, might be the least intrusive. Do you think an empty RT-AC86U_386.00_0_ubi.w could work? What would be the quickest way to empty the...
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    AC86U: boot the prior "bootfs_update" mtd as is?

    Found this in old threads. I guess one can boot the other partitions - but how? @RMerlin - any guidance on this? I guess one can try to flash a properly formatted by empty update file, so it'd do nothing, and then switch partition sets. Or, just use the same code that does the upgrade, but...
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    AC86U: boot the prior "bootfs_update" mtd as is?

    A slightly esoteric question. As far as I understand, my AC86 has 2 sets of system partitions, one active, the other contains the prior firmware, and will get the next one (_update partitions below). admin@RT-AC86U-9988:/# cat /proc/mtd dev: size erasesize name mtd0: 05aa0000 00020000...
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    Diversion Diversion 5.1.3 - the Router Ad-Blocker, May 09, 2024

    An update on the situation. A few days ago I could not restore the working state of dnsmasq by powering the router off with the button for 10 seconds - tried 2 times. This usually worked for me OK in the past. I actually had to turn off the router, unplug the power supply, push the router...
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    Diversion Diversion 5.1.3 - the Router Ad-Blocker, May 09, 2024

    Alright, had a episode during this morning's reboot! Here is the relevant section of the log: May 22 04:06:55 RT-AC86U-9988 Diversion: Mounting Diversion WebUI page May 22 04:06:55 RT-AC86U-9988 vnstatd[4146]: vnStat daemon 2.12 (pid:4146 uid:0 gid:0 64-bit, SQLite 3.41.2) May 22 04:06:55...
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    Diversion Diversion 5.1.3 - the Router Ad-Blocker, May 09, 2024

    Alright, I did enter your double secret 1233 code into Diversion, it downloaded the updates. Will monitor things over the week, and will let you know if anything strange comes up. Many thanks for continuing to look into this!
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    Diversion Diversion 5.1.3 - the Router Ad-Blocker, May 09, 2024

    I had to do another manual reboot, so the freq is about every 5-7 days. Seeking further tweaks! I switched non-blocking IP to 16, and see this in the logs: May 17 08:25:23 RT-AC86U-9988 avahi-daemon[7424]: Withdrawing address record for 192.168.1.17 on br0. May 17 08:25:23 RT-AC86U-9988...
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    Diversion Diversion 5.1.3 - the Router Ad-Blocker, May 09, 2024

    Early to declare victory in my case. About a week later (~7 reboots), the issue has re-occured. My reboot is at 4:05am. May 13 03:31:27 RT-AC86U-9988 Diversion: started separate Dnsmasq instance for ad-blocking exclusion on IP 192.168.1.17 May 13 03:37:28 RT-AC86U-9988 Diversion: created...
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    Diversion Diversion 5.1.3 - the Router Ad-Blocker, May 09, 2024

    OK! Added it! Will monitor for a week - and report back! Thanks again!!!
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    Diversion Diversion 5.1.3 - the Router Ad-Blocker, May 09, 2024

    I don't think this is an actual issue due to Diversion. It's a an issue due to a warm reboot that still "remembers" stuff. I think that .17 IP is the ghost of the pre-warm boot Diversion server. Is there a command to release all existing IP allocations? I'd put it somewhere early in the boot...
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    Diversion Diversion 5.1.3 - the Router Ad-Blocker, May 09, 2024

    I guess I did have prior issues with warm reboots - but mostly related to logging. As I look at it - it appears that the logging messages are quite different in the course of warm and cold reboots. This is the first time it's impacting my need to have stuff - I guess it could have been a...
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    Diversion Diversion 5.1.3 - the Router Ad-Blocker, May 09, 2024

    Well, I have about 30 devices on my network - so I am thinking 220 IP addresses should more than plenty for the rest of them. I have some bridges and other stuff under 32, mostly under 16. Is that a problem to leave a lot of addresses out of the DHCP pool?
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    Diversion Diversion 5.1.3 - the Router Ad-Blocker, May 09, 2024

    Got the same issue today, but not yesterday, on .17 address. There is absolutely nothing on that IP. I now think that a hot reboot (no power off) does not seem to clear the prior info for these. See this grep of dnsmasq and Diversion. It seems a few steps are missing in the hot reboot case...
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    Where is the cache of known MAC addresses stored?

    OK, this makes sense. I was chasing a warm reboot bug for Diversion, and changing the IP of the DNS server that did not filter anything fixed the issue: https://www.snbforums.com/threads/diversion-5-1-2-the-router-ad-blocker-april-21-2024.88244/page-30#post-905683 I guess it could be some...
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