RE: nRF Connect SDK v2.3.0 Migration RAM Overflow

brushlow — Thu, 06 Jul 2023 21:02:14 GMT

To anyone stuck on this issue, I found that setting a maximum allowable bluetooth connections (CONFIG_BT_MAX_CONN) allowed me to compile. I didn't have this config in my hci_rpmsg.conf, and it defaults to16 which is much more than I needed. Looks like the Nordic SoftDevice RAM consumption grew enough to push the child image over the limit.

Hope this helps someone

RE: nRF Connect SDK v2.3.0 Migration RAM Overflow

brushlow — Thu, 06 Jul 2023 17:05:32 GMT

I dug into this more, and now understand this specifically applies to the network core child image; I can see in the correct map file where the overflow is. The configs I specified in the first post are the only ones in my hci_rpmsg.conf file. Given that, are those buffer sizes supported for the nRF340 using SoftDevice on SDK v2.3.0? Is there anything in prj.conf that would influence this? And is there anything I can do to avoid reducing these buffer sizes?

Thanks for reading