cat /proc/asound/cards 0 [Audigy2 ]: Audigy2 - Audigy 2 [SB0240] Audigy 2 [SB0240] (rev.4, serial:0x10071102) at 0xdc80, irq 19 1 [Intel ]: HDA-Intel - HDA Intel HDA Intel at 0xefffc000 irq 16 2 [default ]: USB-Audio - AK5370 AKM AK5370 at usb-0000:00:1d.1-2, full speed [root@home lib]# alsamixer -c0 ALSA lib control.c:909:(snd_ctl_open_noupdate) Invalid CTL hw:0 alsamixer: function snd_ctl_open failed for hw:0: No such file or directory [root@home lib]# strace alsamixer -c0 execve("/usr/bin/alsamixer", ["alsamixer", "-c0"], [/* 47 vars */]) = 0 brk(0) = 0x8bf5000 access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory) open("/etc/ld.so.cache", O_RDONLY) = 3 fstat64(3, {st_mode=S_IFREG|0644, st_size=132218, ...}) = 0 mmap2(NULL, 132218, PROT_READ, MAP_PRIVATE, 3, 0) = 0xb7f3d000 close(3) = 0 open("/lib/libncurses.so.5", 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`)\372\0074\0\0\0"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0755, st_size=130932, ...}) = 0 mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7f3c000 mmap2(0x7f9e000, 128592, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f9e000 mmap2(0x7fbd000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1f) = 0x7fbd000 close(3) = 0 open("/usr/lib/libasound.so.2", 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\360]\345\0064\0\0\0"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0755, st_size=793116, ...}) = 0 mmap2(0x6e36000, 790140, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x6e36000 mmap2(0x6ef2000, 20480, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xbb) = 0x6ef2000 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\20\264\263\0004\0\0\0"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0755, st_size=216536, ...}) = 0 mmap2(0xb38000, 163952, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb38000 mmap2(0xb5f000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x26) = 0xb5f000 close(3) = 0 open("/lib/libdl.so.2", 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:\266\0004\0\0\0"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0755, st_size=20660, ...}) = 0 mmap2(0xb63000, 16504, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb63000 mmap2(0xb66000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2) = 0xb66000 close(3) = 0 open("/lib/libpthread.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\3607\270\0004\0\0\0"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0755, st_size=129716, ...}) = 0 mmap2(0xb7f000, 94688, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb7f000 mmap2(0xb93000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x13) = 0xb93000 mmap2(0xb95000, 4576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xb95000 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\320\200\237\0004\0\0\0"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0755, st_size=1673804, ...}) = 0 mmap2(0x9e2000, 1390032, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x9e2000 mmap2(0xb30000, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x14e) = 0xb30000 mmap2(0xb33000, 9680, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xb33000 close(3) = 0 open("/lib/libtinfo.so.5", 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\300\231\370\0074\0\0\0"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0755, st_size=93820, ...}) = 0 mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7f3b000 mmap2(0x7f84000, 96424, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f84000 mmap2(0x7f99000, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x14) = 0x7f99000 close(3) = 0 mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7f3a000 set_thread_area({entry_number:-1 -> 6, base_addr:0xb7f3a6c0, limit:1048575, seg_32bit:1, contents:0, read_exec_only:0, limit_in_pages:1, seg_not_present:0, useable:1}) = 0 mprotect(0xb30000, 8192, PROT_READ) = 0 mprotect(0xb93000, 4096, PROT_READ) = 0 mprotect(0xb66000, 4096, PROT_READ) = 0 mprotect(0xb5f000, 4096, PROT_READ) = 0 mprotect(0x9da000, 4096, PROT_READ) = 0 munmap(0xb7f3d000, 132218) = 0 set_tid_address(0xb7f3a708) = 3753 set_robust_list(0xb7f3a710, 0xc) = 0 rt_sigaction(SIGRTMIN, {0xb832e0, [], SA_SIGINFO}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {0xb83360, [], SA_RESTART|SA_SIGINFO}, NULL, 8) = 0 rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 getrlimit(RLIMIT_STACK, {rlim_cur=10240*1024, rlim_max=RLIM_INFINITY}) = 0 uname({sys="Linux", node="home", ...}) = 0 open("/dev/snd/controlC0", O_RDONLY) = 3 close(3) = 0 brk(0) = 0x8bf5000 brk(0x8c16000) = 0x8c16000 stat64("/usr/share/alsa/alsa.conf", 0xbfe56840) = -1 ENOENT (No such file or directory) write(2, "ALSA lib control.c:909:(snd_ctl_"..., 47ALSA lib control.c:909:(snd_ctl_open_noupdate) ) = 47 write(2, "Invalid CTL hw:0", 16Invalid CTL hw:0) = 16 write(2, "\n", 1 ) = 1 fstat64(1, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 1), ...}) = 0 mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7f5d000 write(1, "\n", 1 ) = 1 write(2, "alsamixer: function snd_ctl_open"..., 76alsamixer: function snd_ctl_open failed for hw:0: No such file or directory ) = 76 exit_group(1) = ? [root@home lib]# paspas