https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=255012

Graham Perrin <[email protected]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |crash
             Status|New                         |Open
                 CC|                            |[email protected]

--- Comment #8 from Graham Perrin <[email protected]> ---
(In reply to Bjoern A. Zeeb from comment #7)

> … difference between stable and current (… debug options … I can 
> never remember if they are enabled by default on a stable branch in 
> GENERIC as well). …

Key phrase, in main: 


# For full debugger support use (turn off in stable branch):


Most recently (12th August) for amd64, a main view of the 
twelve options that are _not always_ needed: 

<https://github.com/freebsd/freebsd-src/blob/6a70a0c8bfa6fe8a2739527e5c822aec985e83e9/sys/amd64/conf/GENERIC#L96-L108>


So, for example, in stable/13 for amd64 we see the 
two options, alone, that are _always_ needed: 

<https://github.com/freebsd/freebsd-src/blob/0ca1220443695c79849bf0807306d0864acbabb9/sys/amd64/conf/GENERIC#L92-L94>


options         KDB                     # Enable kernel debugger support.
options         KDB_TRACE               # Print a stack trace for a panic.


HTH

Graham

=============
Notes to self
=============

After not easily finding a GitHub method to compare the same file in two
branches, I took a hint from <https://stackoverflow.com/a/59315113/38108> for a
web-based view of differences. Then, taking a hint from
<https://juplo.de/compare-two-files-in-different-branches-with-git/>: 

git -C /usr/src diff remotes/origin/main:sys/amd64/conf/GENERIC
remotes/origin/stable/13:sys/amd64/conf/GENERIC | less

Context (my configuration): 

% git -C /usr/src config --get remote.origin.url
https://github.com/grahamperrin/freebsd-src.git
% git -C /usr/src config --get remote.upstream.url
https://github.com/freebsd/freebsd-src.git
%

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