microcode update

fernandel

fernandel

I got a msg during boot: CPU microcode: no matching update found

My system: FreeBSD 15.1-RELEASE-p1
In /boot/loader.conf I have:
Code: 
cpu_microcode_load="YES"
cpu_microcode_name="/boot/firmware/amd-ucode.bin"
I have installed cpu-microcode-amd and cpu-microcode-rc

lscpu shows:
Code: 
Architecture:            amd64
Byte Order:              Little Endian
Total CPU(s):            8
Thread(s) per core:      2
Core(s) per socket:      4
Socket(s):               1
Vendor:                  AuthenticAMD
CPU family:              23
Model:                   24
Model name:              AMD Ryzen 5 PRO 3500U w/ Radeon Vega Mobile Gfx
Stepping:                1
L1d cache:               32K
L1i cache:               64K
L2 cache:                512K
L3 cache:                4M
Flags:                   fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 cflsh mmx fxsr sse sse2 htt sse3 pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 popcnt aes xsave osxsave avx f16c rdrnd syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm lahf_lm cmp_legacy svm extapic cr8_legacy lzcnt sse4a misalignsse 3dnowprefetch osvw skinit wdt tce topoext perfctr_core perfctr_nb pcx_l2i
In the past it worked but not anymore.

Thank you.
 
fahrenheit said:
fernandel see if you have microcode package installed:
$ pkg info *microcode*

In your case you should have at least these two packages:
cpu-microcode-amd-20251202
cpu-microcode-rc-1.0_2
Click to expand...
Code: 
 pkg info *microcode*
cpu-microcode-amd-20251202
cpu-microcode-rc-1.0_2
and I have in /boot/firmware/amd-ucode.bin
 
bob2112 said:
AFAIK you don't need cpu-microcode-rc-1.0_2 for loading from loader.conf, it provides an rc script to load the microcode later.
Click to expand...
I enable it rc.conf for loading later and disable in /boot/loader.conf and looks lie it works.
I tried to delete cpu-microcode-rc but it deleted also *-amd and when I pkg installed cpu-microcode-amd than install both again.
 
No, it doesn't work. I do not know what the problem is.
Code: 
 sysctl -a | grep microcode
CPU microcode: no matching update found
        value:  cpu_microcode
 

Nandor said:
Hi fernandel!


Same effect here, identical configuration via /boot/loader.conf.


- FreeBSD 14.4-RELEASE-p7
- cpu-microcode-intel-20260512_1 [quarterly]

Code: 
kernel: CPU microcode: no matching update found
kernel: CPU: Intel(R) Core(TM) i5-10400 CPU @ 2.90GHz (2900.00-MHz K8-class CPU)


The only thing I found on the subject: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=295351

But that doesn't help me either...


Any ideas or explanations are welcome.
Click to expand...
Did you check your cpu with https://github.com/speed47/spectre-meltdown-checker ? It is also in ports.
I did and many are from vendor safe, some no bsd scrips and few are vulnerable.
 
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