On Sat, 8 Dec 2018 20:23:13 +0000
Baron <baron@...> wrote:

> Hi Guys,
> 
> On Wednesday 05 December 2018 23:35:57 deloptes wrote:
> > Kate Draven wrote:
> > > I do have several computers in me wee lab. The sticks are all
> > > fine, mount and umount on all other computers, including another
> > > pclos 64 with the same kernels. At first I thought it was a
> > > kernel bug, wrong.
> > >
> > > I can only guess I'm installing something that messes it up.
> > >
> > > I reinstalled the OS into the test computer and incrementally
> > > installing packages until I find the culprit.
> >
> > mounting was udev job - no ? or at least to notify the system that
> > there is something attached to it and what exactly it is.
> 
> Probably nothing to do with this problem, but anyway:
> 
> If I have a HDD connected via a USB adaptor, I've found that after an 
> initial plugging and use, then safely removing it, going back to it, 
> in the same session, it may or may not be recognised.  Doing a hard 
> reboot seems to clear what ever causes this.  Simply logging out and 
> logging back in doesn't seem to work.

Stupid question:  Are you plugging these into the same port every time,
or ports connected to the same headers on the motherboard?  Loose
connectors / flaky hardware can cause all sorts of weird symptoms.
I've never seen this one in particular, but my sample size is small.

E. Liddell