Subj : Re: USB locking up
To   : Barry Martin
From : Ky Moffet
Date : Tue Sep 22 2020 18:16:00

BARRY MARTIN wrote:
> Hi Ky!
> 
> Created a script to log some of the (lm-)sensors values to a file:
> 
> 
> while true; do echo $( date '+%H:%M:%S' ), $( sensors | grep 'V' | sed
> -r 's/^.* {8}\+(.*)øC  .*$/\1/' )    >>
>   '/home/barry/Sensors_Log/Log.txt' ;    sleep 0; done
> 
> Probably sloppy cookbook coding but does what I want: monitor voltages.

It looks like gibberish to me, so you're ahead! <g>

> Did a test by plugging in a thumbdrive.  Did not cause a lockup (not
> surprised) but suppose good for a baseline.
> 
> +12    Started at 12.10 then to 12.05.  Don't think the drop had
>         anything to do with the insertion and removal of the thumbdrive.

Probably not.

> 
> +5     Constant 5.01.  Not that the thumbdrive draws that much but
>         half-figured would vary at least a hundreth of a volt.

You'd think? Well, here's a thought... maybe voltage is not reaching the 
ports? USB tester is about 4 bucks...

> 
> Vcore  Did vary but is constanty changing anyway.  0.91. 1.18, 1.27,
>         1.25, 1.28, 1.12.

That's CPU voltage; modern CPUs only use what they need at the moment.

> Will randomly start the script and plug something in to see if can
> capture a lockup.

Good, uh, bad luck?

> .. One more time.....which one is Shinola?

The one that's not shiny. <g>
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