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Write to unrecognized MSR 0x150

Open Massimo-B opened this issue 6 months ago • 3 comments

Version: 1.7-r1

lscpu |grep name
Model name:                              Intel(R) Core(TM) i7-9700 CPU @ 3.00GHz
uname -r
6.12.31-gentoo-dist
 grep -v "^#" /etc/intel-undervolt.conf

enable yes
undervolt 0 'CPU' -50
undervolt 1 'GPU' -50
undervolt 2 'CPU Cache' -50
undervolt 3 'System Agent' -50
undervolt 4 'Analog I/O' -50
interval 5000
daemon undervolt:once
daemon power
daemon tjoffset
intel-undervolt apply                                                                                                                                                                                1 
CPU (0): Values do not equal
GPU (1): Values do not equal
CPU Cache (2): Values do not equal
System Agent (3): Values do not equal
Analog I/O (4): Values do not equal

In the syslog:

Jun 14 17:04:36 [kernel] [34653.726799] filter_write: 9 callbacks suppressed
Jun 14 17:04:36 [kernel] [34653.726800] msr: Write to unrecognized MSR 0x150 by intel-undervolt (pid: 2335).
Jun 14 17:04:36 [kernel] [34653.726803] msr: See https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/about for details.

What does that mean? I can't see the msr module loaded:

modprobe msr 

lsmod | grep msr                                                                                                                                                                                SIGINT 
intel_rapl_msr         16384  0
intel_rapl_common      49152  1 intel_rapl_msr

Massimo-B avatar Jun 14 '25 15:06 Massimo-B