Hello, The following error occurs when trying to build xnu as described in the example: g++ -nostdlib -static -fapple-kext -Wl,-e,__start -Wl,- sectalign,__TEXT,__text,0x1000 -Wl,-sectalign,__DATA,__common,0x1000 - Wl,-sectalign,__DATA,__bss,0x1000 -Wl,-sectcreate,__PRELINK,__text,/ dev/null -Wl,-sectcreate,__PRELINK,__symtab,/dev/null -Wl,- sectcreate,__PRELINK,__info,/dev/null -arch ppc -force_cpusubtype_ALL -Wl,-new_linker -Wl,-segaddr,__VECTORS,0x0 -Wl,-segaddr,__HIB,0x7000 - Wl,-segaddr,__TEXT,0xe000 /private/var/tmp/xnu/xnu-1228.9.59.obj/ RELEASE_PPC/./osfmk/RELEASE/osfmk.o /private/var/tmp/xnu/ xnu-1228.9.59.obj/RELEASE_PPC/./bsd/RELEASE/bsd.o /private/var/tmp/xnu/ xnu-1228.9.59.obj/RELEASE_PPC/./libkern/RELEASE/libkern.o /private/var/ tmp/xnu/xnu-1228.9.59.obj/RELEASE_PPC/./iokit/RELEASE/iokit.o /private/ var/tmp/xnu/xnu-1228.9.59.obj/RELEASE_PPC/./pexpert/RELEASE/pexpert.o / private/var/tmp/xnu/xnu-1228.9.59.obj/RELEASE_PPC/./libsa/RELEASE/ libsa.o /private/var/tmp/xnu/xnu-1228.9.59.obj/RELEASE_PPC/./security/ RELEASE/security.o /private/var/tmp/xnu/xnu-1228.9.59.obj/RELEASE_PPC/ version.o -o /private/var/tmp/xnu/xnu-1228.9.59.obj/RELEASE_PPC/./ mach_kernel.sys -lcc_kext can't find atom for N_GSYM stabs __dtrace_probe $704___proc____lwp__create in /private/var/tmp/xnu/xnu-1228.9.59.obj/ RELEASE_PPC/./osfmk/RELEASE/osfmk.o can't find atom for N_GSYM stabs __dtrace_probe $100___proc____lwp__start in /private/var/tmp/xnu/xnu-1228.9.59.obj/ RELEASE_PPC/./osfmk/RELEASE/osfmk.o can't find atom for N_GSYM stabs __dtrace_probe $113___proc____lwp__exit in /private/var/tmp/xnu/xnu-1228.9.59.obj/ RELEASE_PPC/./osfmk/RELEASE/osfmk.o can't find atom for N_GSYM stabs __dtrace_probe $1611___vminfo____cow_fault in /private/var/tmp/xnu/xnu-1228.9.59.obj/ RELEASE_PPC/./osfmk/RELEASE/osfmk.o can't find atom for N_GSYM stabs __dtrace_probe$1932___vminfo____pgin in /private/var/tmp/xnu/xnu-1228.9.59.obj/RELEASE_PPC/./osfmk/RELEASE/ osfmk.o can't find atom for N_GSYM stabs __dtrace_probe $1933___vminfo____maj_fault in /private/var/tmp/xnu/xnu-1228.9.59.obj/ RELEASE_PPC/./osfmk/RELEASE/osfmk.o can't find atom for N_GSYM stabs __dtrace_probe $1937___vminfo____anonpgin in /private/var/tmp/xnu/xnu-1228.9.59.obj/ RELEASE_PPC/./osfmk/RELEASE/osfmk.o can't find atom for N_GSYM stabs __dtrace_probe $1939___vminfo____fspgin in /private/var/tmp/xnu/xnu-1228.9.59.obj/ RELEASE_PPC/./osfmk/RELEASE/osfmk.o can't find atom for N_GSYM stabs __dtrace_probe$2047___vminfo____pgin in /private/var/tmp/xnu/xnu-1228.9.59.obj/RELEASE_PPC/./osfmk/RELEASE/ osfmk.o can't find atom for N_GSYM stabs __dtrace_probe $2050___vminfo____anonpgin in /private/var/tmp/xnu/xnu-1228.9.59.obj/ RELEASE_PPC/./osfmk/RELEASE/osfmk.o can't find atom for N_GSYM stabs __dtrace_probe $2052___vminfo____fspgin in /private/var/tmp/xnu/xnu-1228.9.59.obj/ RELEASE_PPC/./osfmk/RELEASE/osfmk.o can't find atom for N_GSYM stabs __dtrace_probe $2065___vminfo____as_fault in /private/var/tmp/xnu/xnu-1228.9.59.obj/ RELEASE_PPC/./osfmk/RELEASE/osfmk.o can't find atom for N_GSYM stabs __dtrace_probe $2068___vminfo____kernel_asflt in /private/var/tmp/xnu/ xnu-1228.9.59.obj/RELEASE_PPC/./osfmk/RELEASE/osfmk.o can't find atom for N_GSYM stabs __dtrace_probe $2793___vminfo____cow_fault in /private/var/tmp/xnu/xnu-1228.9.59.obj/ RELEASE_PPC/./osfmk/RELEASE/osfmk.o can't find atom for N_GSYM stabs __dtrace_probe $3409___vminfo____softlock in /private/var/tmp/xnu/xnu-1228.9.59.obj/ RELEASE_PPC/./osfmk/RELEASE/osfmk.o can't find atom for N_GSYM stabs __dtrace_probe$545___vminfo____zfod in /private/var/tmp/xnu/xnu-1228.9.59.obj/RELEASE_PPC/./osfmk/RELEASE/ osfmk.o can't find atom for N_GSYM stabs __dtrace_probe $8296___vminfo____prot_fault in /private/var/tmp/xnu/xnu-1228.9.59.obj/ RELEASE_PPC/./osfmk/RELEASE/osfmk.o can't find atom for N_GSYM stabs _dtrace_probe$1002___vminfo__(long double,...)(void)in /private/var/tmp/xnu/xnu-1228.9.59.obj/ RELEASE_PPC/./osfmk/RELEASE/osfmk.o can't find atom for N_GSYM stabs __dtrace_probe$1036___vminfo____scan in /private/var/tmp/xnu/xnu-1228.9.59.obj/RELEASE_PPC/./osfmk/RELEASE/ osfmk.o can't find atom for N_GSYM stabs __dtrace_probe$1453___vminfo____scan in /private/var/tmp/xnu/xnu-1228.9.59.obj/RELEASE_PPC/./osfmk/RELEASE/ osfmk.o can't find atom for N_GSYM stabs _dtrace_probe$1713___vminfo__(double, float, long double,...)(...)in /private/var/tmp/xnu/xnu-1228.9.59.obj/ RELEASE_PPC/./osfmk/RELEASE/osfmk.o can't find atom for N_GSYM stabs __dtrace_probe $1716___vminfo____anonfree in /private/var/tmp/xnu/xnu-1228.9.59.obj/ RELEASE_PPC/./osfmk/RELEASE/osfmk.o can't find atom for N_GSYM stabs _dtrace_probe$1718___vminfo__(float, short, float, long double,...)(...)in /private/var/tmp/xnu/ xnu-1228.9.59.obj/RELEASE_PPC/./osfmk/RELEASE/osfmk.o can't find atom for N_GSYM stabs __dtrace_probe $2026___vminfo____pgrrun in /private/var/tmp/xnu/xnu-1228.9.59.obj/ RELEASE_PPC/./osfmk/RELEASE/osfmk.o can't find atom for N_GSYM stabs _dtrace_probe$2410___vminfo__(...) (long long,...)(char, float, long double,...)(...)in /private/var/tmp/ xnu/xnu-1228.9.59.obj/RELEASE_PPC/./osfmk/RELEASE/osfmk.o can't find atom for N_GSYM stabs __dtrace_probe $2411___vminfo____execpgin in /private/var/tmp/xnu/xnu-1228.9.59.obj/ RELEASE_PPC/./osfmk/RELEASE/osfmk.o can't find atom for N_GSYM stabs __dtrace_probe $2412___vminfo____execpgout in /private/var/tmp/xnu/xnu-1228.9.59.obj/ RELEASE_PPC/./osfmk/RELEASE/osfmk.o can't find atom for N_GSYM stabs __dtrace_probe $2413___vminfo____pgswapin in /private/var/tmp/xnu/xnu-1228.9.59.obj/ RELEASE_PPC/./osfmk/RELEASE/osfmk.o can't find atom for N_GSYM stabs __dtrace_probe $2414___vminfo____pgswapout in /private/var/tmp/xnu/xnu-1228.9.59.obj/ RELEASE_PPC/./osfmk/RELEASE/osfmk.o can't find atom for N_GSYM stabs __dtrace_probe $2415___vminfo____swapin in /private/var/tmp/xnu/xnu-1228.9.59.obj/ RELEASE_PPC/./osfmk/RELEASE/osfmk.o can't find atom for N_GSYM stabs __dtrace_probe $2416___vminfo____swapout in /private/var/tmp/xnu/xnu-1228.9.59.obj/ RELEASE_PPC/./osfmk/RELEASE/osfmk.o can't find atom for N_GSYM stabs __dtrace_probe$4216___vminfo____pgrec in /private/var/tmp/xnu/xnu-1228.9.59.obj/RELEASE_PPC/./osfmk/RELEASE/ osfmk.o can't find atom for N_GSYM stabs __dtrace_probe $4226___vminfo____anonpgout in /private/var/tmp/xnu/xnu-1228.9.59.obj/ RELEASE_PPC/./osfmk/RELEASE/osfmk.o can't find atom for N_GSYM stabs __dtrace_probe $4228___vminfo____fspgout in /private/var/tmp/xnu/xnu-1228.9.59.obj/ RELEASE_PPC/./osfmk/RELEASE/osfmk.o can't find atom for N_GSYM stabs __dtrace_probe$4238___vminfo____pgout in /private/var/tmp/xnu/xnu-1228.9.59.obj/RELEASE_PPC/./osfmk/RELEASE/ osfmk.o can't find atom for N_GSYM stabs __dtrace_probe $4411___vminfo____pgpgout in /private/var/tmp/xnu/xnu-1228.9.59.obj/ RELEASE_PPC/./osfmk/RELEASE/osfmk.o can't find atom for N_GSYM stabs __dtrace_probe$2554___vminfo____pgrec in /private/var/tmp/xnu/xnu-1228.9.59.obj/RELEASE_PPC/./osfmk/RELEASE/ osfmk.o can't find atom for N_GSYM stabs __dtrace_probe $2555___vminfo____pgfrec in /private/var/tmp/xnu/xnu-1228.9.59.obj/ RELEASE_PPC/./osfmk/RELEASE/osfmk.o can't find atom for N_GSYM stabs __dtrace_probe $3092___io____wait__start in /private/var/tmp/xnu/xnu-1228.9.59.obj/ RELEASE_PPC/./bsd/RELEASE/bsd.o can't find atom for N_GSYM stabs __dtrace_probe $3095___io____wait__done in /private/var/tmp/xnu/xnu-1228.9.59.obj/ RELEASE_PPC/./bsd/RELEASE/bsd.o can't find atom for N_GSYM stabs __dtrace_probe $3117___io____wait__start in /private/var/tmp/xnu/xnu-1228.9.59.obj/ RELEASE_PPC/./bsd/RELEASE/bsd.o can't find atom for N_GSYM stabs __dtrace_probe $3120___io____wait__done in /private/var/tmp/xnu/xnu-1228.9.59.obj/ RELEASE_PPC/./bsd/RELEASE/bsd.o can't find atom for N_GSYM stabs __dtrace_probe$3185___io____done in / private/var/tmp/xnu/xnu-1228.9.59.obj/RELEASE_PPC/./bsd/RELEASE/bsd.o can't find atom for N_GSYM stabs __dtrace_probe$870___io____start in / private/var/tmp/xnu/xnu-1228.9.59.obj/RELEASE_PPC/./bsd/RELEASE/bsd.o can't find atom for N_GSYM stabs _dtrace_probe$1220___proc__(...)(long long,...)(char)in /private/var/tmp/xnu/xnu-1228.9.59.obj/RELEASE_PPC/./ bsd/RELEASE/bsd.o can't find atom for N_GSYM stabs __dtrace_probe $1814___proc____exec__failure in /private/var/tmp/xnu/ xnu-1228.9.59.obj/RELEASE_PPC/./bsd/RELEASE/bsd.o can't find atom for N_GSYM stabs _dtrace_probe $1817___proc____exec(short, char __restrict, char,...)(short, short)in /private/var/tmp/xnu/xnu-1228.9.59.obj/RELEASE_PPC/./bsd/ RELEASE/bsd.o can't find atom for N_GSYM stabs _dtrace_probe $1848___proc____exec(short, char __restrict, char,...)(short, short)in /private/var/tmp/xnu/xnu-1228.9.59.obj/RELEASE_PPC/./bsd/ RELEASE/bsd.o can't find atom for N_GSYM stabs __dtrace_probe $1850___proc____exec__failure in /private/var/tmp/xnu/ xnu-1228.9.59.obj/RELEASE_PPC/./bsd/RELEASE/bsd.o can't find atom for N_GSYM stabs _dtrace_probe $2018___proc____exec(short, char __restrict, char,...)(short, short)in /private/var/tmp/xnu/xnu-1228.9.59.obj/RELEASE_PPC/./bsd/ RELEASE/bsd.o can't find atom for N_GSYM stabs __dtrace_probe $2025___proc____exec__failure in /private/var/tmp/xnu/ xnu-1228.9.59.obj/RELEASE_PPC/./bsd/RELEASE/bsd.o can't find atom for N_GSYM stabs __dtrace_probe$233___proc____exit in / private/var/tmp/xnu/xnu-1228.9.59.obj/RELEASE_PPC/./bsd/RELEASE/bsd.o can't find atom for N_GSYM stabs __dtrace_probe$312___proc____create in /private/var/tmp/xnu/xnu-1228.9.59.obj/RELEASE_PPC/./bsd/RELEASE/ bsd.o can't find atom for N_GSYM stabs __dtrace_probe$689___proc____create in /private/var/tmp/xnu/xnu-1228.9.59.obj/RELEASE_PPC/./bsd/RELEASE/ bsd.o can't find atom for N_GSYM stabs __dtrace_probe $1595___proc____signal__discard in /private/var/tmp/xnu/ xnu-1228.9.59.obj/RELEASE_PPC/./bsd/RELEASE/bsd.o can't find atom for N_GSYM stabs __dtrace_probe $1843___proc____signal__send in /private/var/tmp/xnu/xnu-1228.9.59.obj/ RELEASE_PPC/./bsd/RELEASE/bsd.o can't find atom for N_GSYM stabs __dtrace_probe $2506___proc____signal__handle in /private/var/tmp/xnu/ xnu-1228.9.59.obj/RELEASE_PPC/./bsd/RELEASE/bsd.o can't find atom for N_GSYM stabs __dtrace_probe$417___vminfo____pgpgin in /private/var/tmp/xnu/xnu-1228.9.59.obj/RELEASE_PPC/./bsd/RELEASE/ bsd.o can't find atom for N_GSYM stabs __dtrace_probe $611___proc____signal__handle in /private/var/tmp/xnu/ xnu-1228.9.59.obj/RELEASE_PPC/./bsd/RELEASE/bsd.o can't find atom for N_GSYM stabs __dtrace_probe $625___proc____signal__handle in /private/var/tmp/xnu/ xnu-1228.9.59.obj/RELEASE_PPC/./bsd/RELEASE/bsd.o DSYMUTIL mach_kernel.sys if [ 1 -eq 1 ]; then \ /usr/bin/dsymutil --arch=ppc /private/var/tmp/xnu/xnu-1228.9.59.obj/ RELEASE_PPC/./mach_kernel.sys -o /private/var/tmp/xnu/ xnu-1228.9.59.obj/RELEASE_PPC/./mach_kernel.sys.dSYM > /dev/null; \ fi; /bin/sh: line 1: 50463 Segmentation fault /usr/bin/dsymutil -- arch=ppc /private/var/tmp/xnu/xnu-1228.9.59.obj/RELEASE_PPC/./ mach_kernel.sys -o /private/var/tmp/xnu/xnu-1228.9.59.obj/ RELEASE_PPC/./mach_kernel.sys.dSYM > /dev/null make[2]: *** [do_build_mach_kernel] Error 139 make[1]: *** [build_all] Error 2 make: *** [all] Error 2 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ +++++++++ BUILD TIME: 0h 9m 57s EXIT STATUS: 2 It is repeatable on my system (three attempts). The platform is a dual 800 MHz PowerPC G4 (MPC-7455) Quicksilver upgraded to a dual 1.73 GHz PowerPC G4 (MPC-7448) running MacOS 10.5.8. Frank J. R. Hanstick trog24@comcast.net