ACPI: Early table checksum verification disabled
ACPI Error: 1 table load failures, 8 successful (20170531/tbxfload-246)Īnd all ACPI entries: $ dmesg | grep -i acpi ACPI Exception: AE_NOT_FOUND, (SSDT:xh_rvp08) while loading table (20170531/tbxfload-228) ACPI Exception: AE_NOT_FOUND, During name lookup/catalog (20170531/psobject-252) ACPI Error: Namespace lookup failure, AE_NOT_FOUND (20170531/dswload-210) LSB Version: :core-4.1-amd64:core-4.1-noarchĭescription: Fedora release 26 (Twenty Six)ĭmeg shows the following errors related to ACPI.
ACPI PNP0C02 CODE
There's some additional reading at CPU frequency and voltage scaling code in the Linux kernel and the CPU Governors wiki. The issue appears to be limited to the Skylake explains part of the reason for the failure at cat: write error: Invalid argument, but it does not explain the Skylake failure since ondemand is not an invalid setting. And running the same script on different machines, like an old VIA or Core2, with ondemand is OK. Running the same script on the same machine with performance is OK. Line 44 is the echo and it performs (for example) echo ondemand > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor. governor.sh: line 44: echo: write error: Invalid argument Running the script on the Skylake results in: #. The script I am using is located at governor.sh. The numbers are skewed on occasion and I am trying to move the processor out of powersave mode to ondemand mode. I'm running benchmarks on a Intel Sylake.
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