Open dgllghr opened 5 years ago
Do you have secure boot enabled?
I have the same issue with my DELL Precision 5530 (i9-8950HK). Secure boot is disabled. Running Ubuntu 18.04.2 LTS
Hmm strange. Does /dev/cpu/0/msr
exist?
Yes:
crw------- 1 root root 202, 0 Mai 14 10:32 /dev/cpu/0/msr
I can confirm that my secure boot is also disabled and /dev/cpu/0/msr
exists for me too
DELL Latitude e6540, same issue. Secure boot disabled, /dev/cpu/0/msr
exists, Debian 10
Does wrmsr
works?
wrmsr 0x64b 0x80000000
results in wrmsr: CPU 0 cannot set MSR 0x0000064b to 0x0000000080000000
, even after modprobe msr
.
I also own a Dell XPS 9575 running Arch on it.
The thing is not that I can't write to msr at all, but just not to 0x64b
.
Writing to 0x150
and 0x1a2
works fine.
➜ ~ sudo rdmsr 0 0x64b
[sudo] password for root:
0x0000000080000000
If I read the Intel docu correctly, this value means that the TDP config is locked...
Dell XPS 9575 Intel i7-8705G Fedora 30 (installed through https://copr.fedorainfracloud.org/coprs/abn/throttled/ so apologies if this is an issue with the package)
I am hitting the following error when running throttled as a systemd service.
Let me know if I can provide any other information that would be useful for tracking this down