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KDE System Monitor 5.14.png
KDE System Monitor, an lm_sensors frontend for KDE
Stable release
3.6.0 / October 17, 2019; 2 years ago (2019-10-17)[1]
Written inC
Operating systemLinux
TypeSystem monitoring
LicenseGNU General Public License

lm_sensors (Linux-monitoring sensors) is a free open-source software-tool for Linux that provides tools and drivers for monitoring temperatures, voltage, humidity, and fans. It can also detect chassis intrusions.[citation needed]


During 2001/2004, the lm_sensors package was not recommended for use on IBM ThinkPads due to potential EEPROM corruption issues on some models when aggressively probing for I2C devices.[2][3][4] This has since been dealt with, and the separate README file dedicated to ThinkPads was removed in 2007.[5]

In 2013, the sensors-detect command of lm-sensors began disrupting the gamma correction settings of some laptop display screens. This occurs while it is probing the I2C/SMBus adapters for connected hardware monitoring devices. Probing of these devices was disabled by default.[6][better source needed][7][8][9]

See also[edit]


  1. ^ releases on GitHub
  2. ^ Constantine A. Murenin; Raouf Boutaba (2009-03-17). "5.2. I2C bus scan through i2c_scan.c; 7.2. lm_sensors". OpenBSD Hardware Sensors Framework (PDF). AsiaBSDCon 2009 Proceedings, 12–15 March 2009. Tokyo University of Science, Tokyo, Japan (published 2009-03-14). Archived (PDF) from the original on 2009-02-21. Retrieved 2019-03-04.
  3. ^ Constantine A. Murenin (2010-05-21). "5.2. I2C bus scan through i2c_scan.c; 7.3. lm_sensors". OpenBSD Hardware Sensors — Environmental Monitoring and Fan Control (MMath thesis). University of Waterloo: UWSpace. hdl:10012/5234. Document ID: ab71498b6b1a60ff817b29d56997a418.
  4. ^ "lm-sensors/README.thinkpad". 2004-10-14. Retrieved 2019-03-07.
  5. ^ "History for lm-sensors/README.thinkpad". Retrieved 2019-03-07. lm-sensors should now be safe to use on Thinkpad laptops. Jean Delvare committed on 24 Sep 2007
  6. ^ ArchWiki Contributors (4 May 2018). "lm_sensors". ArchWiki. Retrieved 18 May 2018. {{cite web}}: |author= has generic name (help)
  7. ^ Larabel, Michael (26 September 2013). "LM-Sensors Sensor-Detect Is Causing Hardware Issues". Phoronix. Retrieved 18 May 2018.
  8. ^ Delvare, Jean (5 September 2013). "lm-sensors". lm-sensors.org. Archived from the original on 6 September 2015. Also available at "lm_sensors". HWMon Wiki. Retrieved 18 May 2018.
  9. ^ Toskin, Andrew; Roeck, Guenter (2017). "Issue #17: Add list of risk factors to documentation". GitHub. Retrieved 18 May 2018.

External links[edit]