Sorry to post again, but any ideas on this??? It works fine on one machine but
on another it doesn't. The only difference is that the machine on which it
works is older and has USB 1.1 ports while the newer machine has 1.1/2.0
ports...
Could that be the problem? dmesg finds the device just fine though, and it
loads the right module (snd-audio-usb) but the alsamixer cannot connect to the
device.
Quoting Tom <tom@xxxxxxxxxxxxx>:
> It is a plantronics usb dsp 500 headset with mic.
>
> Here is my modprobe.conf:
> alias eth0 sk98lin
> alias scsi_hostadapter sata_promise
> alias scsi_hostadapter1 ata_piix
> alias usb-controller ehci-hcd
> alias usb-controller1 uhci-hcd
> alias snd-card-0 usb-snd-audio
> install audio /sbin/modprobe --ignore-install audio && /usr/sbin/alsactl
> restore
> >/dev/null 2>&1 || :
> remove audio { /usr/sbin/alsactl store >/dev/null 2>&1 || : ; };
> /sbin/modprobe
> -r --ignore-remove audio
>
> Here is my lsmod:
> [tchriste@PAVERA tchriste]$ /sbin/lsmod
> Module Size Used by
> snd_seq_oss 24448 0
> snd_seq_midi_event 5504 1 snd_seq_oss
> snd_pcm_oss 41000 0
> snd_mixer_oss 13824 1 snd_pcm_oss
> snd_seq 39440 4 snd_seq_oss,snd_seq_midi_event
> parport_pc 19392 1
> lp 8236 0
> parport 29640 2 parport_pc,lp
> autofs4 12932 0
> sunrpc 109924 1
> sk98lin 133416 1 [unsafe]
> floppy 47440 0
> sg 27680 0
> microcode 4768 0
> snd_usb_audio 57952 0
> snd_rawmidi 17444 1 snd_usb_audio
> snd_seq_device 6152 3 snd_seq_oss,snd_seq,snd_rawmidi
> snd_pcm 69256 2 snd_pcm_oss,snd_usb_audio
> snd_page_alloc 8072 1 snd_pcm
> snd_timer 17284 2 snd_seq,snd_pcm
> snd 39396 10
> snd_seq_oss,snd_seq_midi_event,snd_pcm_oss,snd_
> mixer_oss,snd_seq,snd_usb_audio,snd_rawmidi,snd_seq_device,snd_pcm,snd_timer
> audio 36608 0
> soundcore 6112 2 snd,audio
> joydev 6976 0
> dm_mod 32800 0
> uhci_hcd 24472 0
> ehci_hcd 22916 0
> button 4632 0
> battery 6924 0
> asus_acpi 8984 0
> ac 3340 0
> ipv6 184672 56
> ext3 103656 2
> jbd 40728 1 ext3
> ata_piix 5380 3
> sata_promise 6276 0
> libata 29188 2 ata_piix,sata_promise
> sd_mod 16384 4
> scsi_mod 91984 4 sg,sata_promise,libata,sd_mod
> [tchriste@PAVERA tchriste]$
>
> Quoting Michael Schwendt <fedora@xxxxxxxxxxxxxxxxx>:
>
> > On Mon, 12 Jul 2004 13:43:40 -0600, Tom wrote:
> >
> > >
> > >
> > > doing an strace -eopen alsamixer yeilds:
> > >
> > > [tchriste@PAVERA downloads]$ strace -eopen alsamixer
> > > open("/etc/ld.so.preload", O_RDONLY) = -1 ENOENT (No such file or
> > directory)
> > > open("/etc/ld.so.cache", O_RDONLY) = 3
> > > open("/usr/lib/libncurses.so.5", O_RDONLY) = 3
> > > open("/usr/lib/libasound.so.2", O_RDONLY) = 3
> > > open("/lib/tls/libm.so.6", O_RDONLY) = 3
> > > open("/lib/libdl.so.2", O_RDONLY) = 3
> > > open("/lib/tls/libpthread.so.0", O_RDONLY) = 3
> > > open("/lib/tls/libc.so.6", O_RDONLY) = 3
> > > open("/usr/share/alsa/alsa.conf", O_RDONLY) = 3
> > > open("/etc/asound.conf", O_RDONLY) = 3
> > > open("/dev/snd/controlC0", O_RDONLY) = -1 ENODEV (No such device)
> > > open("/dev/aloadC0", O_RDONLY) = -1 ENODEV (No such device)
> > > open("/dev/snd/controlC0", O_RDWR) = -1 ENODEV (No such device)
> > > open("/dev/snd/controlC0", O_RDONLY) = -1 ENODEV (No such device)
> > > open("/dev/aloadC0", O_RDONLY) = -1 ENODEV (No such device)
> > > open("/dev/snd/controlC0", O_RDWR) = -1 ENODEV (No such device)
> > >
> > > alsamixer: function snd_ctl_open failed for default: No such device
> > >
> > > However those devices do exist as shown here:
> >
> > The device _files_ do exist, but most likely not the device driver
> > which is accessed via these files. What kernel modules are loaded?
> > What soundcard is it?
> >
> >
> >
> > --
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> >
>
>
>
>
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