Dear all,
i have the system:
- ARM AM1808(sitara cpu) (davinci based)
- wolfson WM7858 codec
- ALSA asoc driver
ALSA device list:
#0: test-machine
Once moved form kernel 3.5.1 to 3.17.0, i get the following error:
[root@test class]# amixer
amixer: Mixer default load error: Input/output error
Stracing i get:
futex(0xb6e090c8, FUTEX_WAKE_PRIVATE, 2147483647) = 0
access("/usr/share/alsa/alsa.conf.d/", R_OK) = 0
stat64("/usr/share/alsa/alsa.conf.d/", {st_mode=S_IFDIR|0755,
st_size=224, ...}) = 0
open("/usr/share/alsa/alsa.conf.d/",
O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_DIRECTORY|O_CLOEXEC) = 3
fcntl64(3, F_GETFD) = 0x1 (flags FD_CLOEXEC)
getdents64(3, /* 3 entries */, 32768) = 80
getdents64(3, /* 0 entries */, 32768) = 0
close(3) = 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|O_LARGEFILE|O_CLOEXEC) = 3
fcntl64(3, F_SETFD, FD_CLOEXEC) = 0
ioctl(3, UI_DEV_CREATE, 0xbee22550) = 0
close(3) = 0
open("/dev/snd/controlC0", O_RDWR|O_LARGEFILE|O_CLOEXEC) = 3
fcntl64(3, F_SETFD, FD_CLOEXEC) = 0
ioctl(3, USBDEVFS_CONTROL or USBDEVFS_CONTROL32, 0xbee22848) = 0
fcntl64(3, F_GETFL) = 0x20002 (flags
O_RDWR|O_LARGEFILE)
fcntl64(3, F_SETFL, O_RDWR|O_NONBLOCK|O_LARGEFILE) = 0
ioctl(3, USBDEVFS_RELEASEINTERFACE, 0xbee228f8) = 0
ioctl(3, USBDEVFS_RELEASEINTERFACE, 0xbee228f8) = 0
ioctl(3, USBDEVFS_CONNECTINFO, 0xbee22698) = 0
ioctl(3, USBDEVFS_IOCTL or USBDEVFS_IOCTL32, 0xbee22268) = 0
ioctl(3, USBDEVFS_CONNECTINFO, 0xbee22698) = 0
ioctl(3, USBDEVFS_IOCTL or USBDEVFS_IOCTL32, 0xbee22268) = 0
ioctl(3, USBDEVFS_CONNECTINFO, 0xbee22698) = 0
ioctl(3, USBDEVFS_IOCTL or USBDEVFS_IOCTL32, 0xbee22250) = 0
ioctl(3, USBDEVFS_IOCTL or USBDEVFS_IOCTL32, 0xbee22268) = 0
ioctl(3, USBDEVFS_CONNECTINFO, 0xbee22698) = 0
ioctl(3, USBDEVFS_IOCTL or USBDEVFS_IOCTL32, 0xbee22268) = 0
ioctl(3, USBDEVFS_CONNECTINFO, 0xbee22698) = 0
ioctl(3, USBDEVFS_IOCTL or USBDEVFS_IOCTL32, 0xbee22268) = 0
ioctl(3, USBDEVFS_CONNECTINFO, 0xbee22698) = 0
ioctl(3, USBDEVFS_IOCTL or USBDEVFS_IOCTL32, 0xbee22250) = 0
ioctl(3, USBDEVFS_IOCTL or USBDEVFS_IOCTL32, 0xbee22250) = 0
ioctl(3, USBDEVFS_CONNECTINFO, 0xbee22698) = 0
ioctl(3, USBDEVFS_IOCTL or USBDEVFS_IOCTL32, 0xbee22250) = 0
ioctl(3, USBDEVFS_IOCTL or USBDEVFS_IOCTL32, 0xbee22250) = 0
ioctl(3, USBDEVFS_CONNECTINFO, 0xbee22698) = 0
ioctl(3, USBDEVFS_IOCTL or USBDEVFS_IOCTL32, 0xbee22268) = 0
ioctl(3, USBDEVFS_CONNECTINFO, 0xbee22698) = 0
ioctl(3, USBDEVFS_IOCTL or USBDEVFS_IOCTL32, 0xbee22250) = -1 EIO
(Input/output error)
write(2, "amixer: ", 8amixer: ) = 8
write(2, "Mixer default load error: Input/"..., 44Mixer default load
error: Input/output error) = 44
write(2, "\n", 1
) = 1
close(3) = 0
exit_group(1) = ?
[root@barix class]#
Every help is really appreciated,
regards
angelo
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