My Raspberry pi is experiencing some sort of metaphysical dichotomy. When booting I mostly get ack/nak errors in an eternal loop followed by kernel panic. I've tried disconnecting the usb peripherals and that does seem to reduce the frequency of the errors a little but not a lot. Even with no keyboard and mouse and logging in via ssh the problem persists. When it does boot to the gui the external SSD drive is lost and I get various file-system errors after a short while. If I disconnect the ethernet prior to boot then all errors go away and the pi functions, as far as I can tell, as per spec. If I boot and then plug in the ethernet I get kernel panic and or filesystem errors usually immediately - sometimes just the filesystem errors. Often running gparted and a root terminal will induce these errors after a few minutes.
The pi has been running as a file server for about a year overclocked and it's absolutely wonderful when operating. I thought it might be my version of raspbian (the hacked-up installer version) so I loaded the latest version of raspbian and did the update process but still the same. Have I cooked my pi? Any help appreciated.