Dobry den stavim si z darovaneho HW domaci server a resim problem kdy me nove nainstalovany Ubuntu server 18.04.2 nevyuzije vsechnu RAM. BIOS detekuje 64GB 4x16GB bez problemu. Kdyz jsi zkusim vypis lshw take to detekuje 4x16GB RAM moduly.
H/W path Device Class Description
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system B450 AORUS PRO (Default string)
/0 bus B450 AORUS PRO-CF
/0/0 memory 64KiB BIOS
/0/27 memory 64GiB System Memory
/0/27/0 memory 16GiB DIMM DDR4 Synchronous Unbuffered (Unregistered) 2933 MHz (0.3 ns)
/0/27/1 memory 16GiB DIMM DDR4 Synchronous Unbuffered (Unregistered) 2933 MHz (0.3 ns)
/0/27/2 memory 16GiB DIMM DDR4 Synchronous Unbuffered (Unregistered) 2933 MHz (0.3 ns)
/0/27/3 memory 16GiB DIMM DDR4 Synchronous Unbuffered (Unregistered) 2933 MHz (0.3 ns)
/0/29 memory 768KiB L1 cache
/0/2a memory 4MiB L2 cache
/0/2b memory 16MiB L3 cache
Ale kdyz pouziji free -m, htop ukazuje me to pouzitelnych pouze 32GB
free -m
total used free shared buff/cache available
Mem: 32178 301 31613 1 263 31493
Swap: 8191 0 8191
top
top - 09:23:15 up 1:21, 1 user, load average: 0.00, 0.00, 0.00
Tasks: 237 total, 1 running, 126 sleeping, 0 stopped, 0 zombie
%Cpu(s): 0.0 us, 0.0 sy, 0.0 ni,100.0 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
KiB Mem : 32950632 total, 32370880 free, 309512 used, 270240 buff/cache
KiB Swap: 8388604 total, 8388604 free, 0 used. 32248932 avail Mem