Error on read existing values and to try set a new value of undervolt.

[italodea]

The only change that really is set is the target temperature.

Ubuntu 20.04 (default gnome) undervolt 0.3.0 python 3.8.2 pip 20.0.2

Samsung NP-300V4A i5-2430M intel HD-Graphics 3000 6GB DDR3

italo@np300:~$ sudo undervolt --core 0 Traceback (most recent call last): File "/usr/local/bin/undervolt", line 8, in sys.exit(main()) File "/usr/local/lib/python3.8/dist-packages/undervolt.py", line 401, in main set_offset(plane, offset, msr) File "/usr/local/lib/python3.8/dist-packages/undervolt.py", line 218, in set_offset write_msr(write_value, msr.addr_voltage_offsets) File "/usr/local/lib/python3.8/dist-packages/undervolt.py", line 79, in write_msr os.write(f, pack('Q', val)) OSError: [Errno 5] Input/output error

italo@np300:~$ sudo undervolt -r temperature target: -5 (95C) Traceback (most recent call last): File "/usr/local/bin/undervolt", line 8, in sys.exit(main()) File "/usr/local/lib/python3.8/dist-packages/undervolt.py", line 445, in main voltage = read_offset(plane, msr) File "/usr/local/lib/python3.8/dist-packages/undervolt.py", line 204, in read_offset write_msr(value_to_write, msr.addr_voltage_offsets) File "/usr/local/lib/python3.8/dist-packages/undervolt.py", line 79, in write_msr os.write(f, pack('Q', val)) OSError: [Errno 5] Input/output error

italo@np300:~$ sudo undervolt -t 90

italo@np300:~$ sudo undervolt -r temperature target: -10 (90C) Traceback (most recent call last): File "/usr/local/bin/undervolt", line 8, in sys.exit(main()) File "/usr/local/lib/python3.8/dist-packages/undervolt.py", line 445, in main voltage = read_offset(plane, msr) File "/usr/local/lib/python3.8/dist-packages/undervolt.py", line 204, in read_offset write_msr(value_to_write, msr.addr_voltage_offsets) File "/usr/local/lib/python3.8/dist-packages/undervolt.py", line 79, in write_msr os.write(f, pack('Q', val)) OSError: [Errno 5] Input/output error

[DyJohnnY]

I have a Intel Pentium Silver J5005 and get his error mesage when trying to read data:

undervolt -r temperature target: -0 (100C) Traceback (most recent call last): File "/usr/local/bin/undervolt", line 8, in sys.exit(main()) File "/usr/local/lib/python3.8/dist-packages/undervolt.py", line 445, in main voltage = read_offset(plane, msr) File "/usr/local/lib/python3.8/dist-packages/undervolt.py", line 204, in read_offset write_msr(value_to_write, msr.addr_voltage_offsets) File "/usr/local/lib/python3.8/dist-packages/undervolt.py", line 79, in write_msr os.write(f, pack('Q', val)) OSError: [Errno 5] Input/output error