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[Linphone-users] SIGFPE calling with alsa

From: Lluís Batlle i Rossell
Subject: [Linphone-users] SIGFPE calling with alsa
Date: Thu, 13 Jan 2011 22:29:22 +0100
User-agent: Mutt/1.5.20 (2009-06-14)


I built linphone 3.3.2 with libasound 1.0.23, libosip2-3.5.0 and
libexosip2-3.5.0, on linux-x86_64.
I have an Intel HDA sound card without no alsa config in particular.

When I try to call the ekiga echo service, the program dies by SIGFPE. Both
linphonec and linphone-3 die at the same point.

Any help? I looked the mailing list for similar problems, and I could not find 
anything close.

A gdb session hitting the problem goes like this:
(gdb) r
Starting program:
[Thread debugging using libthread_db enabled]
ALSA lib conf.c:4600:(snd_config_expand) Unknown parameters 0
ALSA lib control.c:932:(snd_ctl_open_noupdate) Invalid CTL default:0
[New Thread 0x7ffff0424700 (LWP 13094)]
Warning: video is disabled in linphonec, use -V or -C or -D to enable.
Password for xxxxx on "": xxxxxx

linphonec> Registration on successful.
linphonec> call sip:address@hidden
ortp-error-send(): Message too long
Contacting <sip:address@hidden>
linphonec> linphonec> Connected.
linphonec> [New Thread 0x7fffefa71700 (LWP 13194)]

Program received signal SIGFPE, Arithmetic exception.
[Switching to Thread 0x7fffefa71700 (LWP 13194)]
0x00007ffff618fb13 in snd_pcm_mmap_hw_offset (pcm=0x689d80) at pcm_local.h:480
480             return *pcm->hw.ptr % pcm->buffer_size;
(gdb) print pcm->buffer_size 
$1 = 0
(gdb) bt
#0  0x00007ffff618fb13 in snd_pcm_mmap_hw_offset (pcm=0x689d80) at 
#1  0x00007ffff6190c9d in snd_pcm_plugin_avail_update (pcm=0x689d80) at 
#2  0x00007ffff6190ef2 in snd_pcm_plugin_status (pcm=0x689d80, 
    at pcm_plugin.c:541
#3  0x00007ffff6177554 in snd_pcm_status (pcm=0x689f40, status=0x7fffefa70bf0) 
at pcm.c:907
#4  0x00007ffff74d6e87 in alsa_resume (handle=0x689f40) at alsa.c:60
#5  0x00007ffff74d7426 in alsa_open_r (pcmdev=0x6967e0 "default:0", bits=16, 
    rate=8000) at alsa.c:230
#6  0x00007ffff74d889f in alsa_read_process (obj=0x696730) at alsa.c:882
#7  0x00007ffff74bf084 in ms_filter_process (f=0x696730) at msfilter.c:242
#8  0x00007ffff74c0082 in call_process (f=0x696730) at msticker.c:173
#9  0x00007ffff74c0139 in run_graph (f=0x696730, s=0x6979e0, 
    force_schedule=0 '\000') at msticker.c:192
#10 0x00007ffff74c0204 in run_graphs (s=0x6979e0, execution_list=0x697c60, 
    force_schedule=0 '\000') at msticker.c:211
#11 0x00007ffff74c0431 in ms_ticker_run (arg=0x6979e0) at msticker.c:340
#12 0x00007ffff6a0fcec in start_thread ()
#13 0x00007ffff676f1ed in clone ()
   from /nix/store/vxycd107wjbhcj720hzkw2px7s7kr724-glibc-2.12.2/lib/

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