I really want to start testing some new/different firmwares but I don't really have an "experimental" router to do it on. Thus, I'd like to get my router (DIR-825) into a state where I can change what I boot and run with simply by swapping USB storage devices.
That way I can have a "working production" USB stick that I can just pop in and am working in a known good configuration. When I want to experiment/upgrade test I build a new USB stick, pop it in and reboot. Disaster? No worries, just pop the "working production" stick back in and everything is back to where it was before experimenting. To do this though, I need a kexec-ing image I can flash to my router to become my "boot loader". Anyone got one for an ar71xx? Somewhat related, Quentin Armitage proposed a block-extroot-kexec to do just this at https://lists.openwrt.org/pipermail/openwrt-devel/2010-April/006671.html. I wonder why it didn't even get a comment, nevermind not getting committed. Was there objection to it? I would really love to see the openwrt project itself producing "bootloader" flash images in addition to the traditional images they currently produce so that people wanting this feature didn't have to roll their own. Any chance of that happening? Cheers, b.
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