Answers to the beow: a- will post on that list. thanks b.new system; so not sure if the 4.x kernels worked. The debian 5.10 distribution image does boot c. yes itts a x86 (Ryzen 3700u) On Mon, Feb 8, 2021 at 10:27 PM Randy Dunlap <rdunlap@xxxxxxxxxxxxx> wrote: > > On 2/8/21 5:25 PM, Hanasaki Jiji wrote: > > free -g reports 17GB > > > > ROM set reports 20GB as does the below (4+16GB) How to get the 4GB > > bank to usable > > > > kernel 5.10.x > > > > **************** > > dmidecode -t memory > > > > # dmidecode 3.3 > > Getting SMBIOS data from sysfs. > > SMBIOS 3.2.1 present. > > Hi, > > a. wrong mailing list. Please try linux-kernel@xxxxxxxxxxxxxxx > > b. Let us know if this failure is new for 5.10.x or not. > I.e., did it work previously? > > c. Is this an x86 system? Probably need to Cc: some relevant > maintainers, whether it's x86 or something else. > Probably also need to provide more boot log info, not just > dmidecode. > > -- > ~Randy >