Re: je me sens stupide...
> > Segmentation fault
> >
> > --> y a t'il un moyen de débugguer cela ?
>
> strace sox -t ossdsp -c 2 -r 44100 -s -w /dev/dsp -t wav Desktop/out.wav
Ok, bon, voici ce que me sort strace, pour ceux qui s'y connaissent:
ajacoutot@linuxsta:~$ strace sox -t ossdsp -c 2 -r 44100 -s -w /dev/dsp
-t wav Desktop/out.wav
execve("/usr/bin/sox", ["sox", "-t", "ossdsp", "-c", "2", "-r", "44100",
"-s", "-w", "/dev/dsp", "-t", "wav", "Desktop/out.wav"], [/* 21 vars
*/]) = 0
uname({sys="Linux", node="linuxsta", ...}) = 0
brk(0) = 0x8098700
open("/etc/ld.so.preload", O_RDONLY) = -1 ENOENT (No such file or
directory)
open("/etc/ld.so.cache", O_RDONLY) = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=34230, ...}) = 0
old_mmap(NULL, 34230, PROT_READ, MAP_PRIVATE, 3, 0) = 0x40014000
close(3) = 0
open("/lib/libm.so.6", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\2007\0"...,
1024) = 1024
fstat64(3, {st_mode=S_IFREG|0644, st_size=130088, ...}) = 0
old_mmap(NULL, 132708, PROT_READ|PROT_EXEC, MAP_PRIVATE, 3, 0) =
0x4001d000
mprotect(0x4003d000, 1636, PROT_NONE) = 0
old_mmap(0x4003d000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED,
3, 0x1f000) = 0x4003d000
close(3) = 0
open("/usr/lib/libogg.so.0", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\240\17"...,
1024) = 1024
fstat64(3, {st_mode=S_IFREG|0644, st_size=12744, ...}) = 0
old_mmap(NULL, 15824, PROT_READ|PROT_EXEC, MAP_PRIVATE, 3, 0) =
0x4003e000
mprotect(0x40041000, 3536, PROT_NONE) = 0
old_mmap(0x40041000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED,
3, 0x2000) = 0x40041000
close(3) = 0
open("/usr/lib/libvorbis.so.0", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0P*\0\000"...,
1024) = 1024
fstat64(3, {st_mode=S_IFREG|0644, st_size=121624, ...}) = 0
old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS,
-1, 0) = 0x40042000
old_mmap(NULL, 124704, PROT_READ|PROT_EXEC, MAP_PRIVATE, 3, 0) =
0x40043000
mprotect(0x4005e000, 14112, PROT_NONE) = 0
old_mmap(0x4005e000, 16384, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED,
3, 0x1a000) = 0x4005e000
close(3) = 0
open("/usr/lib/libvorbisfile.so.0", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0p\25\0\000"...,
1024) = 1024
fstat64(3, {st_mode=S_IFREG|0644, st_size=21292, ...}) = 0
old_mmap(NULL, 24372, PROT_READ|PROT_EXEC, MAP_PRIVATE, 3, 0) =
0x40062000
mprotect(0x40067000, 3892, PROT_NONE) = 0
old_mmap(0x40067000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED,
3, 0x4000) = 0x40067000
close(3) = 0
open("/usr/lib/libvorbisenc.so.0", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0@l\0\000"...,
1024) = 1024
fstat64(3, {st_mode=S_IFREG|0644, st_size=466120, ...}) = 0
old_mmap(NULL, 469200, PROT_READ|PROT_EXEC, MAP_PRIVATE, 3, 0) =
0x40068000
mprotect(0x40072000, 428240, PROT_NONE) = 0
old_mmap(0x40072000, 430080, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED, 3, 0x9000) = 0x40072000
close(3) = 0
open("/lib/libc.so.6", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\30\222"...,
1024) = 1024
fstat64(3, {st_mode=S_IFREG|0755, st_size=1153784, ...}) = 0
old_mmap(NULL, 1166560, PROT_READ|PROT_EXEC, MAP_PRIVATE, 3, 0) =
0x400db000
mprotect(0x401ee000, 40160, PROT_NONE) = 0
old_mmap(0x401ee000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED,
3, 0x113000) = 0x401ee000
old_mmap(0x401f4000, 15584, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x401f4000
close(3) = 0
munmap(0x40014000, 34230) = 0
brk(0) = 0x8098700
brk(0x8098a30) = 0x8098a30
brk(0x8099000) = 0x8099000
open("/dev/dsp", O_RDONLY) = 3
fstat64(3, {st_mode=S_IFCHR|0660, st_rdev=makedev(14, 3), ...}) = 0
ioctl(3, SNDCTL_DSP_RESET, 0) = 0
ioctl(3, SNDCTL_DSP_GETFMTS, 0xbffff96c) = 0
ioctl(3, SOUND_PCM_READ_BITS, 0xbffff96c) = 0
ioctl(3, SNDCTL_DSP_STEREO, 0xbffff96c) = 0
ioctl(3, SOUND_PCM_READ_RATE, 0xbffff96c) = 0
ioctl(3, SNDCTL_DSP_GETBLKSIZE <unfinished ...>
+++ killed by SIGSEGV +++
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