Subj : USB lock up - poo!
To   : Ky Moffet
From : Barry Martin
Date : Tue Oct 06 2020 10:19:00


Hi Ky!

 > Had a lock up this evening -- plugged in the same card reader adapter as
 > I had probably a half-dozen times in the last several hours.  Was
 > running my Voltage.sh script -- did see the log being written prior to
 > the lockup, was there prior to the reboot (or at least the graphical
 > directory display showed it as there), but on reboot it was gone.
 > So appears not going to see anything with the voltage monitoring script.
 > Southbridge controls the hard drive, so maybe why?  And no, did not have
 > the USB voltage monitor adapter thingie in place -- have to leave
 > something for later!
 KM> I think it's borkend...
 KM> Basically when there's an electrical fault, EVERYTHING stops, so
 KM> no writing anything anywhere. If a file was in progress at the
 KM> time, it'll likely POOF unless the utility writing it keeps
 KM> incremental versions.

So what is occurring is essentially normal for that kind of fault.
Actually that information helps in a slightly convoluted way.  Without 
detailed testing it appears the problem is with the Southbridge, and the
only way to fix that is replace capacitors which in theory I can do,
just getting in there to solder in teeny-tiny quarters might be an
issue.  Plus we have a motherboard/CPU combination I'm finding not quite
to my overall satisfaction.

 
                         ¯    BarryMartin3@    ®
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