Date: Wed, 02 Aug 2006 16:56:55 -0700 From: Maxim Sobolev <sobomax@FreeBSD.org> To: Steve Kargl <sgk@troutmask.apl.washington.edu> Cc: "current@freebsd.org" <current@FreeBSD.org>, freebsd-ppc@FreeBSD.org Subject: Re: Looks like threading is b0rken on FreeBSD/powerpc Message-ID: <44D13BC7.8010309@FreeBSD.org> In-Reply-To: <20060802230803.GA32778@troutmask.apl.washington.edu> References: <44D12AC0.90009@sippysoft.com> <20060802230803.GA32778@troutmask.apl.washington.edu>
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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
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