[coreboot] [RFH] Status of the Lenovo X201

Kyösti Mälkki kyosti.malkki at gmail.com
Wed May 2 20:08:15 CEST 2018


On Wed, May 2, 2018 at 8:53 PM, Nico Huber <nico.h at gmx.de> wrote:
> On 02.05.2018 18:37, qtux wrote:
>> Thanks for your detailed explanation. So in essence shall I ignore the
>> messages or blacklist lpc_ich?
>
> Yes, either ;)
>
>>
>> Besides, while preparing the status report, I sometimes find a "Smashed
>> stack detected in romstage!" message in the console log, just before
>> ramstage is starting. Is there something to worry about there?
>
> Um, yes. I think that's not good. But I wonder why it's not happening
> consistently.

I commented about that earlier in this thread. Seemed like actual
raminit eats a lot of stack, but loading from MRC cache or equivalent
does not. One could find that struct and move it to BSS, declared with
CAR_GLOBAL. I would rather not extend the boundary for stack-smashing
detection.

Kyösti



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