Date: Tue, 24 Feb 2004 21:11:33 +0100 From: Adriaan de Groot <adridg@cs.kun.nl> To: freebsd-amd64@freebsd.org Subject: Re: The return of threading errors in ogg123 Message-ID: <200402242111.39048.adridg@cs.kun.nl> In-Reply-To: <200402181230.11078.adridg@cs.kun.nl> References: <Pine.GSO.4.44.0402171025520.15647-100000@wn4.sci.kun.nl> <200402171129.42641.peter@wemm.org> <200402181230.11078.adridg@cs.kun.nl>
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On Wednesday 18 February 2004 12:30, Adriaan de Groot wrote:
> libc_r seems solid as a rock; libpthread can play ok for a while but seems
> to bail as soon as there is some load on the system. libpth doesn't work =
at
> all, missing a pthread_push_create symbol. Any gdb trickery I can use on
> the core files to get more useful information out of them over the short
> bt?
ogg123 with libc_r played 1500 tracks without a hitch (all ripped from the =
CDs=20
off my self, thanks); with libpthread (ie. kse) it takes a little prodding,=
=20
but then it dumps core:
Playing: TomCochrane/02-LoveUnderFire.ogg
Ogg Vorbis stream: 2 channel, 44100 Hz
Title: Love Under Fire
Artist: Tom Cochrane
Bus error (core dumped)5] of 04:48.17 (119.7 kbps) Output Buffer 96.9%
(still with the same FreeBSD beans.ebn.kun.nl 5.2-CURRENT FreeBSD 5.2-CURRE=
NT=20
#0: Mon Feb 16 08:12:04 CET 2004 =20
root@beans.ebn.kun.nl:/usr/obj/mnt/sys/CURRENT/src/sys/GENERIC amd64 )
It crashes here:
#0 0x0000000200f19320 in pthread_testcancel () from /usr/lib/libpthread.so=
=2E1
with this disassembly:
0x0000000200f19307 <pthread_testcancel+2735>: nop
0x0000000200f19308 <pthread_testcancel+2736>: mov 1085185(%rip),%rcx =
=20
# 0x201022210
0x0000000200f1930f <pthread_testcancel+2743>: jmpq *%ecx
0x0000000200f19311 <pthread_testcancel+2745>: nop
0x0000000200f19312 <pthread_testcancel+2746>: nop
0x0000000200f19313 <pthread_testcancel+2747>: nop
0x0000000200f19314 <pthread_testcancel+2748>: mov $0x17e,%rax
0x0000000200f1931b <pthread_testcancel+2755>: mov %rcx,%r10
0x0000000200f1931e <pthread_testcancel+2758>: syscall
0x0000000200f19320 <pthread_testcancel+2760>: jb 0x200f19308=20
<pthread_testcancel+2736>
0x0000000200f19322 <pthread_testcancel+2762>: retq
0x0000000200f19323 <pthread_testcancel+2763>: nop
0x0000000200f19324 <pthread_testcancel+2764>: mov 1085157(%rip),%rcx
Not a place that looks like erroring. However:
(gdb) print $rsp
$1 =3D (void *) 0x51eeb8
(gdb) print $rbp
$2 =3D (void *) 0x51ef80
looks like the stack-16-alignment has gotten broken again somewhere.
=2D --=20
pub 1024D/FEA2A3FE 2002-06-18 Adriaan de Groot <groot@kde.org>
Would you like a freem?
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