got this in -current:

cc  -O2 -Werror -Wreturn-type -I. -I../../../../arch -I../../../.. -nostdinc
-DMACHINE_NONCONTIG -DEXEC_AOUT -DEXEC_SCRIPT -DTIMEZONE="0" -DDST="0"
-DSWAPPAGER -DVNODEPAGER -DDEVPAGER -DCPU_ARM6 -DCPU_ARM7 -DCPU_LATE_ABORT
-DARMFPE -DFFS -DCD9660 -DMSDOSFS -DFDESC -DFIFO -DKERNFS -DNULLFS -DPROCFS
-DUMAPFS -DUNION -DNFSCLIENT -DNFSSERVER -DINET -DCOMPAT_43 -DCOMPAT_12
-DTCP_COMPAT_42 -DSYSVMSG -DSYSVSEM -DSYSVSHM -DSHMMAXPGS="0x400" -DKTRACE
-DIRQSTATS -DLKM -DMOUSE_IOC_ACK -DPROFILE_ASM -DDIAGNOSTIC -DPOSTMORTEM
-DKSHELL -DDDB -DGENERIC -DMAXUSERS=16 -D_KERNEL  -Darm32 -Wcomment  -c
../../../../kern/subr_prf.c
../../../../kern/subr_prf.c: In function panic':
../../../../kern/subr_prf.c:140: db_onpanic' undeclared (first use this
function)
../../../../kern/subr_prf.c:140: (Each undeclared identifier is reported
only once
../../../../kern/subr_prf.c:140: for each function it appears in.)
*** Error code 1

Stop.

something seems to of slipped in the ddb.onpanic sysctl additions

-- 
Jasper Wallace-Internet Vision | Caving-Acorn-RiscBSD-Chocolate-Banks-Fish
My opinions != IVisions's      | PovRay-FVWM-Perl-C-Mono-Food-Wired-?
E-Mail:jasper@ivision.co.uk    | This is the Internet, untamed and free,
Tel: +44 171 589 4500 (work)   | Where you can be anything you want to be