Arris TR4400 v2 - procd: Connection to ubus failed

[anon89577378]

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Master-nginx: Boot hangs at loading kernel after sysupgrade

I have multiple mvebu routers, various makes and models. After sysupgrade, several of these won't boot (or boot strangely). I hooked up serial to one and after a successful sysupgrade message I get this: umount: can't unmount /dev: Resource busy umount: can't unmount /tmp: Resour I'm guessing this last is cut short due to a reboot, so there may have been more messages coming. In any case, the restart proceeds until "loading kernel" and hangs there. The kernel info is correct, new build dat…