Re: Power supplies and reliability

On 6/2/26 07:02, Stefan Monnier wrote:
>> I've seen too many hard-to-diagnose problems that disappeared after
>> replacing a sketchy PSU.  Random hangs and crashes, hard drive errors, video
>> noise, hang on reboot, etc.  I no longer try to go cheap when choosing a PSU
>> for builds.
> 
> Yeah, I'm actually surprised the hardware hasn't caught on accordingly:
> while it's now standard for chips to monitor their temperature (and
> adjust their power consumption if it gets too high), I still haven't
> seen anything comparable that would detect and report when the input
> voltage goes out-of-range (and maybe also take steps to reduce the
> instantaneous power consumption?).
> 
> Instead, we're in the dark, forced to try to avoid the problem
> by over-provisioning the power supply and pray that it was enough.
> 
> 
> === Stefan


https://en.wikipedia.org/wiki/Lm_sensors

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.


https://packages.debian.org/search?searchon=names&keywords=lm-sensors


David