I have a TL-WR841N router, with OpenWrt 18.06.1 and from today I have issues with any change of configuration.
I try to change any settings and click "Save & apply" as usual, but the change isn't saved and in fact it temains only added to the list of "Unsaved Changes".
I thought it can be a problem of insufficient memory, but in System -> Software I see 56 KB (16%) of free space.
I think this means that there is still space to save configurations, right?
What could be the cause of the failed rescue?
Thanks in advance.
not enough free space. Getting below even 256 kB can cause problems (due to how jffs file systems work).
See, for example,
Topic changed to more general, in order to suit as a topic for all affected devices.
18.06.0 release notes:
Images for some device became too big to support a persistent overlay, causing such models to lose configuration after a reboot. If you experience this problem, please report the affected device and consider downgrading to LEDE 17.01.5 or using the Image Builder to pack a smaller custom image
I'm using also the package "travelmate" and "luci-app-travelmate" so the memory remained was not enough.
Now I have downgraded to LEDE 17.01.5 but, without having installed travelmate yet, I see 208 KB of free space.
I understand that it is still too little.
Do I definitely have to give up using this router with travelmate?
Adding packages to a
build is usually better than adding them to the overlay, as the build compresses the package. It sounds like you'll have to really be careful with what you install on that device and might need to strip more out, such as PPP and variants. (Typically "no LuCI" would be the first step, but I'm guessing that would defeat the point of travelmate).
You might look through the support thread to see how others are managing this
in the OpenWrt stable & snapshot package repo you'll find the travelmate package, a wlan connection manager for travel router.
STA interfaces operating in an "always off" mode, to make sure that the AP is always accessible
Easy setup within normal OpenWrt/LEDE environment
Strong LuCI-Support with builtin interface wizard and wireless connection manager
Fast uplink connections
Support all kinds of uplinks, incl. hidden and enterprise uplinks
continuously checks the existing …