Date: Thu, 30 May 2024 07:03:23 +0000 From: Gary Jennejohn <garyj@gmx.de> To: FreeBSD User <freebsd@walstatt-de.de> Cc: FreeBSD CURRENT <freebsd-current@freebsd.org> Subject: Re: CURRENT: exec_machdep.c:80:2: error: KDB must be enabled in order for DDB Message-ID: <20240530090323.1cf527d5@ernst.home> In-Reply-To: <20240530051228.2ca680a0@thor.intern.walstatt.dynvpn.de>
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On Thu, 30 May 2024 05:12:01 +0200 FreeBSD User <freebsd@walstatt-de.de> wrote: > Hello, > > for customising my world and kernel, I try to "overlay" GENERIC via included files containing > "nodevice" and "nooptions" tags starting from a top level config file like > > include GENERIC > include NODEVICE-GENERIC > include SPECIAL > > Within "NODEVICE-GENERIC" I utilize > [...] > # Debugging support. Always need this: > nooptions KDB # Enable kernel debugger support. > nooptions KDB_TRACE # Print a stack trace for a panic. > # For full debugger support use (turn off in stable branch): > include "std.nodebug" > [...] > > to disable KDB. The include "std.debug" in GENERIC is new, prior to its occurence the sketched > scheme worked fine for me, but now I get this error while perfoming "make -jX buildworld > buildkernel": > > [...] > /usr/src/sys/amd64/amd64/exec_machdep.c:80:2: error: KDB must be enabled in order for DDB to > work! 80 | #error KDB must be enabled in order for DDB to work! > | ^ > [...] > > Apart from the recommendation not to disable KDB in CURRENT, is there a way to disable > debugging features and mimik a stable branch? > > Thanks in advance, > GENERIC contains options DDB_CTF, which results in opt_ddb.h being created. /sys/conf/kern.pre.mk:DDB_ENABLED!= grep DDB opt_ddb.h || true ; echo will result in DDB_ENABLED being true, since #define DDB_CTF 1 will be present in opt_ddb.h. So adding noptions DDB and nooptions DDB_CTF to your NODEVICE-GENERIC might solve your problem. -- Gary Jennejohnhome | help
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