At Mon, 24 Dec 2007 23:29:52 -0300,
Salatiel Filho wrote:
>
> On 12/17/07, Takashi Iwai <tiwai@xxxxxxx> wrote:
> > At Wed, 12 Dec 2007 21:45:26 -0300,
> > Salatiel Filho wrote:
> > >
> > > *** please let me in the to or cc fields. I am not on the list ***
> > >
> > > I am having a big trouble to make sound work on my ARM machine. I am
> > > running debian 4.
> > >
> > >
> > >
> > > # uname -a
> > > Linux LS-GL7D6 2.6.16.57-arm2 #7 Wed Dec 12 18:14:51 BRT 2007
> > > armv5tejl GNU/Linux
> > >
> > > # cat /proc/asound/version
> > > Advanced Linux Sound Architecture Driver Version 1.0.15.
> > > Compiled on Dec 12 2007 for kernel 2.6.16.57-arm2.
> > >
> > >
> > > Modules load successfully
> > >
> > > # lsmod
> > > Module Size Used by
> > > snd_pcm_oss 47680 0
> > > snd_mixer_oss 15040 1 snd_pcm_oss
> > > snd_usb_audio 79904 0
> > > snd_pcm 75877 2 snd_pcm_oss,snd_usb_audio
> > > snd_timer 20164 1 snd_pcm
> > > snd_page_alloc 8264 1 snd_pcm
> > > snd_usb_lib 15808 1 snd_usb_audio
> > > snd_rawmidi 21376 1 snd_usb_lib
> > > snd_seq_device 7116 1 snd_rawmidi
> > > snd_hwdep 7460 1 snd_usb_audio
> > > snd 54368 9
> > > snd_pcm_oss,snd_mixer_oss,snd_usb_audio,snd_pcm,snd_timer,snd_usb_lib,snd_rawmidi,snd_seq_device,snd_hwdep
> > > soundcore 7684 1 snd
> > > nfs 102044 0
> > > lockd 61780 1 nfs
> > > sunrpc 142808 3 nfs,lockd
> > > dm_mod 48176 0
> > > usbhid 38628 0
> > >
> > >
> > >
> > > # cat /proc/asound/cards
> > > 0 [default ]: USB-Audio - C-Media USB Headphone Set
> > > C-Media USB Headphone Set at
> > > usb-ehci_platform.4523-1, full speed
> > >
> > >
> > > # cat /proc/asound/version
> > > Advanced Linux Sound Architecture Driver Version 1.0.15.
> > > Compiled on Dec 12 2007 for kernel 2.6.16.57-arm2.
> > >
> > > but everytime i try to use alsamixer i get:
> > >
> > >
> > > # alsamixer
> > > alsamixer: function snd_mixer_load failed: Inappropriate ioctl for device
> > >
> > > # aplay test.wav
> > > Playing WAVE 'test.wav' : Unsigned 8 bit, Rate 8000 Hz, Mono
> > > aplay: xrun:1090: read/write error, state = PREPARED
> > >
> > >
> > > # strace alsamixer
> > > ...
> > > stat64("/usr//share/alsa/alsa.conf", {st_mode=S_IFREG|0644,
> > > st_size=8611, ...}) = 0
> > > open("/usr//share/alsa/alsa.conf", O_RDONLY) = 3
> > > fstat64(3, {st_mode=S_IFREG|0644, st_size=8611, ...}) = 0
> > > mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1,
> > > 0) = 0x40017000
> > > read(3, "#\n# ALSA library configuration "..., 4096) = 4096
> > > read(3, "r\n\t\t\t\tname defaults.pcm.device\n\t"..., 4096) = 4096
> > > read(3, "{\n\t\t\t@func refer\n\t\t\tname default"..., 4096) = 419
> > > read(3, "", 4096) = 0
> > > read(3, "", 4096) = 0
> > > close(3) = 0
> > > munmap(0x40017000, 4096) = 0
> > > access("/etc/asound.conf", R_OK) = -1 ENOENT (No such file or directory)
> > > access("/root/.asoundrc", R_OK) = -1 ENOENT (No such file or directory)
> > > open("/dev/snd/controlC0", O_RDONLY) = 3
> > > close(3) = 0
> > > open("/dev/snd/controlC0", O_RDWR) = 3
> > > ioctl(3, USBDEVFS_CONTROL, 0xbec2da64) = 0
> > > ioctl(3, UI_DEV_CREATE, 0xbec2db2c) = 0
> > > close(3) = 0
> > > stat64("/usr//share/alsa/alsa.conf", {st_mode=S_IFREG|0644,
> > > st_size=8611, ...}) = 0
> > > open("/dev/snd/controlC0", O_RDONLY) = 3
> > > close(3) = 0
> > > open("/dev/snd/controlC0", O_RDWR) = 3
> > > ioctl(3, USBDEVFS_CONTROL, 0xbec2da44) = 0
> > > fcntl64(3, F_GETFL) = 0x2 (flags O_RDWR)
> > > fcntl64(3, F_SETFL, O_RDWR|O_NONBLOCK) = 0
> > > ioctl(3, USBDEVFS_RELEASEINTERFACE, 0xbec2dac0) = 0
> > > ioctl(3, USBDEVFS_RELEASEINTERFACE, 0xbec2dac0) = 0
> > > ioctl(3, USBDEVFS_CONNECTINFO, 0xbec2d86c) = 0
> > > ioctl(3, USBDEVFS_IOCTL, 0xbec2d42c) = -1 ENOTTY (Inappropriate
> > > ioctl for device)
> > > fstat64(1, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 2), ...}) = 0
> > > mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1,
> > > 0) = 0x40017000
> > > write(1, "\n", 1
> > > ) = 1
> > > write(2, "alsamixer: function snd_mixer_lo"..., 74alsamixer: function
> > > snd_mixer_load failed: Inappropriate ioctl for device
> > > ) = 74
> > > munmap(0x40017000, 4096) = 0
> > > io_submit(0x2, 0, 0x8 <unfinished ... exit status 2>
> > >
> > >
> > > any help?
> > >
> > >
> > >
> > > The same card works ok on my x86 machine using . So the problem is not
> > > the card but something else.
> >
> > Likely the difference of struct size due to different compiler or
> > compiler options.
> >
> >
> > Takashi
> >
>
> I have compiled kernel/alsa drivers/alsa mixer using the same compiler
> on the same machine.
Hm, but the strace indicates something like the struct size mismatch.
Try to build with --with-debug=detect option and see the kernel
message.
Takashi
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