Looks like threading is b0rken on FreeBSD/powerpc

[Maxim Sobolev]

Steve Kargl wrote:
> On Wed, Aug 02, 2006 at 03:44:16PM -0700, Maxim Sobolev wrote:
>> Apparently threading is b0rken on the FreeBSD/powerpc - csup(8) dumps 
>> core with seg 11. The same csup(8) version compiled on 6.0 works just 
>> fine on the same 7-CURRENT kernel.
>>
> 
> What does ldd show?

Here is the backtrace:

Loaded symbols for /libexec/ld-elf.so.1
#0  0x2183f7b4 in tls_get_addr_common (dtvp=0x1a31490, index=2, 
offset=4294934528) at rtld.c:2663
2663        if (dtv[0] != tls_dtv_generation) {
(gdb) bt
#0  0x2183f7b4 in tls_get_addr_common (dtvp=0x1a31490, index=2, 
offset=4294934528) at rtld.c:2663
#1  0x218397f8 in __tls_get_addr (ti=0x21bbf0e8) at 
/usr/src/libexec/rtld-elf/powerpc/reloc.c:577
#2  0x21ad3ef8 in choose_arena () at /usr/src/lib/libc/stdlib/malloc.c:1422
#3  0x21ad8f40 in imalloc (size=480) at 
/usr/src/lib/libc/stdlib/malloc.c:2662
#4  0x21ada810 in malloc (size=480) at 
/usr/src/lib/libc/stdlib/malloc.c:3422
#5  0x21a1ba90 in _thr_alloc (curthread=0x1a502e0) at 
/usr/src/lib/libpthread/thread/thr_kern.c:2369
#6  0x21a021b0 in _pthread_create (thread=0x1ab05a0, attr=0x0, 
start_routine=0x18109dc <sender_loop>,
     arg=0x1ab0580) at /usr/src/lib/libpthread/thread/thr_create.c:110
#7  0x01810640 in mux_init (m=0x1ab0580) at 
/usr/src/usr.bin/csup/../../contrib/csup/mux.c:661
#8  0x0180f8b0 in mux_open (sock=3, chan=0x7fffdad8) at 
/usr/src/usr.bin/csup/../../contrib/csup/mux.c:328
#9  0x018146a4 in proto_mux (config=0x1a118c0) at 
/usr/src/usr.bin/csup/../../contrib/csup/proto.c:555
#10 0x018148f4 in proto_run (config=0x1a118c0) at 
/usr/src/usr.bin/csup/../../contrib/csup/proto.c:617
#11 0x0180dddc in main (argc=1, argv=0x7fffdcac) at 
/usr/src/usr.bin/csup/../../contrib/csup/main.c:314
(gdb) print dtv
$1 = (Elf_Addr *) 0x0
(gdb)

-Maxim