Unexpected restart #6852
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Prerequisites
Platform (OS and CPU architecture)Linux, ARM64 InstallationCustom package (OpenWrt, HomeAssistant, etc; please mention in the description) SetupOn a router, DHCP is handled by the router AdGuard Home versionv0.107.46 ActionWhen openwrt handles downstream traffic, if the peak traffic is too large, it will cause adguardhome to restart unexpectedly, during which all other network connections will be interrupted except the traffic downloaded by bt. In another case, when using clash, there is a high probability of this error when switching network nodes frequently. Expected resultMethods to reduce or avoid this error. Actual resultnone Additional information and/or screenshots
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Replies: 10 comments 6 replies
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Hi, Seems that you're using a heavily modified kind of fork of OpenWRT bundled with a lot of other stuff to bypass DPIs and the likes. I'd suggest that you open an issue in their repo: https://github.com/kiddin9/OpenWrt_x86-r2s-r4s-r5s-N1 |
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I'm a little confused. What do you mean by DPIs |
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Deep Pakcket Inspection https://en.wikipedia.org/wiki/Deep_packet_inspection |
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The author of the opewnrt branch I'm using is unlikely to handle issues. Is there anything I can do to improve the situation on the basis of what I have? |
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It's just a guess, but probably the restarts are actually happening due to events fired in ubus and then managed by procd. Check the hotplug scripts (inside Hope that helps ! |
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Forgive me for not understanding how openwrt works, but the question I submitted, I guess, has to do with the number of filtering rules I use in my router. I use adguard as the server for dns requests, smartdns is the source of dns.
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How much RAM does this AX1800 have ? |
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512 MB |
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I'd suggest then checking how's the router dealing with your amount of rules and the available memory:
I've something around 1,3 milion rules, and AGH takes roughly between 250-300 Mb of RAM, maybe your router is too tight on memory to expect loading so much rules ... |
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This is not a serious problem, thank you very much for your guidance and answers👍 |
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Let me move this to a discussion, as this does not seem to be related to a bug. |
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Hello ceberre,I'm sorry to bother you again, but I modified the partition table in openwrt and used the 512MB size for swap. Does this help? I also need to add a point. When this problem occurs, adh will show that it is not running but redirected. I googled this problem and found that it may be related to the number of repeated DNS queries. All in all, I have not completely solved this problem, but I am trying. |
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What I'd do:
Keep in mind that AGH is quite memory hungry ... it's not like making the dnsmasq native to load some blocklists, so these kind of routers are far from being a perfect fit. Something with 1Gb would do a better job ... |
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Yes, I've taken some steps, but I'm still skeptical that expanding the swap partition will mitigate the error of not running adh? So far, there have been no errors in adh, except that dns requests seem to be slowing down. |
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Well, it might work ... not sure where you placed your swap file (an external USB ?) but keep in mind that this might impact wear sensitive flash devices and it will probably slow down the whole thing :) You can play as well with the swapiness and see how it goes: Giving a value between 0 and 100, being 0 rare RAM swap out and 100 very agressive RAM swap out ... to make it persistent to reboots, place your setting in |
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This is the original partition table of my equipment AX1800. /dev/mmcblk0p1 34 1569 1536 768K unknown mmcblk0p27 exists as a file system in the original system,when I found that there are still two partitions in the partition table, mmcblk0p25 and 26 have relatively large space to use, I used 25 to expand overlay and 26 as swap partition. This is my current partition table. `Device Start End Sectors Size Type /dev/mmcblk0p1 34 1569 1536 768K unknown Mmcblk0p1, 2 ... 17 and 18 partitions have not been modified. I rudely merged 19-25 into one partition to expand the overlay.
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Let me move this to a discussion, as this does not seem to be related to a bug.