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 ====================================================================== _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-devel
