[Bug 258090] sysutils/lsblk partition information shown for an SD card reader (in a dock) where there is no card

From: <bugzilla-noreply_at_freebsd.org>
Date: Fri, 27 Aug 2021 16:16:04 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=258090

--- Comment #4 from Graham Perrin <grahamperrin@gmail.com> ---
(In reply to comment #2)

> … Context: 
> 
> <https://lists.freebsd.org/archives/freebsd-current/2021-August/000468.html>

– that's for completeness, however it might be an excess of information for
this bug report. 


Would you like me to attempt to make the issue reproducible with as few steps
as possible? 

The photograph at
<https://www.heraldscotland.com/business_hq/15149526.technology-winstars-communicator-c2-hard-disk-dock/>
might help to visualise the dock in which the hard disk drive is seated. 

I suspect that: 

* the bridge to the HDD appears as a relatively low numbered device i.e. 
  /dev/da0 only if the dock is connected when FreeBSD boots

* the bridge appears as a relatively high numbered device i.e. 
  /dev/da4 after switching the dock off, then on (a hard power switch 
  at the rear of the dock).

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