On Tue, Oct 06, 2026 at 09:01:01AM +0200, Ramiro Aceves wrote:
bsod.c:5357:17: warning: array subscript has type 'char' [-Wchar-subscripts]
5357 | if (isalpha(*s)) *s = toupper (*s);
| ^
bsod.c:5357:36: warning: array subscript has type 'char' [-Wchar-subscripts]
5357 | if (isalpha(*s)) *s = toupper (*s);
| ^
bsod.c:5373:19: warning: array subscript has type 'char' [-Wchar-subscripts]
5373 | if (isalpha(*s)) *s = toupper (*s);
| ^
bsod.c:5373:38: warning: array subscript has type 'char' [-Wchar-subscripts]
5373 | if (isalpha(*s)) *s = toupper (*s);
(this is an example of compiling xscreensaver un mi RPi4, just to show it)
This are all clearly bugs and easily fixable.
Just the full log of this type of warning is enough to fix it, you don't
need a crash dump.
To get a crash dump you can add this:
kern.coredump.setid.dump=1
to /etc/sysctl.conf. The dump will be saved in /var/crash/ by default.
Martin