Hello Michael On 23/01/2017, Michael Ellerman wrote: >> Clearing the long long at addr 8 has been shown to fix this, so >> add an initalisation to head_64.S so the system will boot. > > I'd really prefer it if someone could tell me why we need to clear it. > But I assume no one knows?
The problem was found by Christian, and the fix comes courtesy of Olof Johansson, I've not looked into it before. > I don't want to pollute this code with NEMO workarounds if we can avoid > it. To be honest, so would I. > You said the hang happens after printing the initial memory map, I'm not > quite sure where you mean, but it sounds like that will be late enough > that we can do the clear in pasemi platform code? During prom_init. Where it says 'Memory layout at Init' I took a long look today and traced the problem the 'prom_find_boot_cpu' and a much better patch will follow. Regards Darren
