From: bugtrack@alsa-project.org
To: alsa-devel@alsa-project.org
Subject: [ALSA - lib 0002203]: Segmentation fault and exact rate : nan (0/0)
Date: Wed, 14 Jun 2006 14:14:45 +0200 [thread overview]
Message-ID: <78489a154dd1ed8418dead8937b540dc@bugtrack.alsa-project.org> (raw)
A NOTE has been added to this issue.
======================================================================
<https://bugtrack.alsa-project.org/alsa-bug/view.php?id=2203>
======================================================================
Reported By: Raymond
Assigned To: perex
======================================================================
Project: ALSA - lib
Issue ID: 2203
Category: 1_pcm_d - direct PCM plugins (dmix+)
Reproducibility: always
Severity: block
Priority: normal
Status: assigned
======================================================================
Date Submitted: 06-12-2006 16:44 CEST
Last Modified: 06-14-2006 14:14 CEST
======================================================================
Summary: Segmentation fault and exact rate : nan (0/0)
Description:
Running two instance of aplay in two different terminals, the second
instance of aplay segmentation fault.
aplay -v -Ddefault:1 *.wav
Playing WAVE 'test.wav' : Unsigned 8 bit, Rate 8000 Hz, Mono
Plug PCM: Rate conversion PCM (48000, sformat=U8)
Its setup is:
stream : PLAYBACK
access : RW_INTERLEAVED
format : U8
subformat : STD
channels : 1
rate : 8000
exact rate : 8000 (8000/1)
msbits : 8
buffer_size : 2730
period_size : 170
period_time : 21333
tick_time : 0
tstamp_mode : NONE
period_step : 1
sleep_min : 0
avail_min : 170
xfer_align : 170
start_threshold : 2720
stop_threshold : 2730
silence_threshold: 0
silence_size : 0
boundary : 178913280
Slave: Route conversion PCM (sformat=S16_LE)
Transformation table:
0 <- 0
1 <- 0
Its setup is:
stream : PLAYBACK
access : MMAP_INTERLEAVED
format : U8
subformat : STD
channels : 1
rate : 48000
exact rate : 48000 (48000/1)
msbits : 8
buffer_size : 16384
period_size : 1024
period_time : 21333
tick_time : 0
tstamp_mode : NONE
period_step : 1
sleep_min : 0
avail_min : 1024
xfer_align : 1024
start_threshold : 16384
stop_threshold : 16384
silence_threshold: 0
silence_size : 0
boundary : 1073741824
Slave: Direct Stream Mixing PCM
Its setup is:
stream : PLAYBACK
access : MMAP_INTERLEAVED
format : S16_LE
subformat : STD
channels : 2
rate : 48000
exact rate : 48000 (48000/1)
msbits : 16
buffer_size : 16384
period_size : 1024
period_time : 21333
tick_time : 0
tstamp_mode : NONE
period_step : 1
sleep_min : 0
avail_min : 1024
xfer_align : 1024
start_threshold : 16384
stop_threshold : 16384
silence_threshold: 0
silence_size : 0
boundary : 1073741824
Hardware PCM card 1 'Intel 82801BA-ICH2' device 0 subdevice 0
Its setup is:
stream : PLAYBACK
access : MMAP_INTERLEAVED
format : S16_LE
subformat : STD
channels : 2
rate : 0
exact rate : nan (0/0)
msbits : 0
buffer_size : 16384
period_size : 0
period_time : 0
tick_time : 0
tstamp_mode : NONE
period_step : 0
sleep_min : 0
avail_min : 0
xfer_align : 0
start_threshold : 0
stop_threshold : 0
silence_threshold: 0
silence_size : 0
boundary : 1073741824
Playing WAVE 'test.wav' : Signed 16 bit Little Endian, Rate 44100 Hz,
Mono
Segmentation fault
======================================================================
----------------------------------------------------------------------
Raymond - 06-13-06 04:13
----------------------------------------------------------------------
gdb --args aplay -v -Ddefault:1 *.wav
GNU gdb Red Hat Linux (5.3.90-0.20030710.41rh)
Copyright 2003 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you
are
welcome to change it and/or distribute copies of it under certain
conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for
details.
This GDB was configured as "i386-redhat-linux-gnu"...Using host
libthread_db library "/lib/tls/libthread_db.so.1".
...
(gdb) run
...
Warning: format is changed to U8
Playing WAVE 'atmos30.wav' : Unsigned 8 bit, Rate 8000 Hz, Mono
Plug PCM: Rate conversion PCM (48000, sformat=U8)
Its setup is:
stream : PLAYBACK
access : RW_INTERLEAVED
format : U8
subformat : STD
channels : 1
rate : 8000
exact rate : 8000 (8000/1)
msbits : 8
buffer_size : 2730
period_size : 170
period_time : 21333
tick_time : 0
tstamp_mode : NONE
period_step : 1
sleep_min : 0
avail_min : 170
xfer_align : 170
start_threshold : 2720
stop_threshold : 2730
silence_threshold: 0
silence_size : 0
boundary : 178913280
Slave: Route conversion PCM (sformat=S16_LE)
Transformation table:
0 <- 0
1 <- 0
Its setup is:
stream : PLAYBACK
access : MMAP_INTERLEAVED
format : U8
subformat : STD
channels : 1
rate : 48000
exact rate : 48000 (48000/1)
msbits : 8
buffer_size : 16384
period_size : 1024
period_time : 21333
tick_time : 0
tstamp_mode : NONE
period_step : 1
sleep_min : 0
avail_min : 1024
xfer_align : 1024
start_threshold : 16384
stop_threshold : 16384
silence_threshold: 0
silence_size : 0
boundary : 1073741824
Slave: Direct Stream Mixing PCM
Its setup is:
stream : PLAYBACK
access : MMAP_INTERLEAVED
format : S16_LE
subformat : STD
channels : 2
rate : 48000
exact rate : 48000 (48000/1)
msbits : 16
buffer_size : 16384
period_size : 1024
period_time : 21333
tick_time : 0
tstamp_mode : NONE
period_step : 1
sleep_min : 0
avail_min : 1024
xfer_align : 1024
start_threshold : 16384
stop_threshold : 16384
silence_threshold: 0
silence_size : 0
boundary : 1073741824
Hardware PCM card 1 'Intel 82801BA-ICH2' device 0 subdevice 0
Its setup is:
stream : PLAYBACK
access : MMAP_INTERLEAVED
format : S16_LE
subformat : STD
channels : 2
rate : 0
exact rate : nan (0/0)
msbits : 0
buffer_size : 16384
period_size : 0
period_time : 0
tick_time : 0
tstamp_mode : NONE
period_step : 0
sleep_min : 0
avail_min : 0
xfer_align : 0
start_threshold : 0
stop_threshold : 0
silence_threshold: 0
silence_size : 0
boundary : 1073741824
Playing WAVE 'beat2.wav' : Signed 16 bit Little Endian, Rate 44100 Hz,
Mono
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread -1084836288 (LWP 5379)]
0x0022504c in _int_free () from /lib/tls/libc.so.6
(gdb) bt
#0 0x0022504c in _int_free () from /lib/tls/libc.so.6
#1 0x0022401b in free () from /lib/tls/libc.so.6
#2 0x006caef2 in snd_pcm_rate_hw_free (pcm=0x48) at pcm_rate.c:330
#3 0x006b07de in snd_pcm_hw_free (pcm=0x82dc028) at pcm.c:853
#4 0x006cfb65 in snd_pcm_plug_hw_free (pcm=0x82f2a30) at pcm_plug.c:976
#5 0x006b07de in snd_pcm_hw_free (pcm=0x82f2a30) at pcm.c:853
#6 0x006bd0b1 in sndrv_pcm_hw_params (pcm=0x82f2a30, params=0xbfed1080)
at pcm_params.c:2312
#7 0x006b0751 in snd_pcm_hw_params (pcm=0x82f2a30, params=0x48) at
pcm.c:830
#8 0x0804c6ec in set_params () at aplay.c:960
#9 0x0804ef95 in playback_go (fd=7, loaded=0, count=326252, rtype=2,
name=0xbff20788 "beat2.wav") at aplay.c:1949
#10 0x0804f230 in playback (name=0xbff20788 "beat2.wav") at aplay.c:2022
#11 0x0804b8bf in main (argc=57, argv=0xbfed15b4) at aplay.c:599
(gdb)
----------------------------------------------------------------------
Raymond - 06-14-06 14:14
----------------------------------------------------------------------
nan is a result of divide by zero
rate : 0
exact rate : nan (0/0)
msbits : 0
buffer_size : 16384
period_size : 0
period_time : 0
tick_time : 0
Issue History
Date Modified Username Field Change
======================================================================
06-12-06 16:44 Raymond New Issue
06-12-06 17:19 rlrevell Note Added: 0010171
06-13-06 04:13 Raymond Note Added: 0010184
06-14-06 14:14 Raymond Note Added: 0010211
======================================================================
next reply other threads:[~2006-06-14 12:14 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-14 12:14 bugtrack [this message]
-- strict thread matches above, loose matches on Subject: below --
2006-06-19 13:02 [ALSA - lib 0002203]: Segmentation fault and exact rate : nan (0/0) bugtrack
2006-06-19 12:57 bugtrack
2006-06-17 2:51 bugtrack
2006-06-16 16:55 bugtrack
2006-06-16 9:27 bugtrack
2006-06-13 2:13 bugtrack
2006-06-12 15:19 bugtrack
2006-06-12 14:44 bugtrack
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