Do you have the devices themselves? They should be created under /dev/snd,
stuff like pcmC0D0c, controlC0, etc. And, if you modprobe as a regular
user, you should have rw access to /dev/snd and devices inside.
Note that /dev/snd used to be a symlink to /proc/asound/dev in earlier
versions of ALSA, but not anymore, now they are real devices under /dev.
On Fri, 13 Jun 2003, Frank Zdarsky wrote:
> Date: Fri, 13 Jun 2003 23:18:08 +0200 (MEST)
> From: Frank Zdarsky <[EMAIL PROTECTED]>
> To: [EMAIL PROTECTED]
> Subject: [Alsa-user] Problem installing ALSA with Redhat 9.0 on Asus P4PE
>
> Hi,
>
> I've installed Redhat 9.0 on my new Asus P4PE motherboard with Analog
> Device's SoundMax AD1980 on-board sound. When the standard installation would not
> give me any sound I downloaded and installed the current ALSA 0.9.4 version
> (driver/libs/utils/oss), configuring the driver with
>
> ./configure --with-cards=all --with-sequencer=yes
> --with-kernel=/usr/src/linux-2.4 --with-oss=yes
>
> When I invoke "alsasound status" I get returned
>
> "ALSA sound driver loaded."
>
> but when I start alsamixer I get the error message:
>
> "function snd_ctl_open failed for default: No such device"
>
> and a "/sbin/modprobe snd-intel8x0" gives:
>
> /lib/modules/2.4.20-8/kernel/sound/pci/snd-intel8x0.o: init_module: No such
> device
> Hint: insmod errors can be caused by incorrect module parameters, including
> invalid IO or IRQ parameters.
> You may find more information in syslog or the output from dmesg
> /lib/modules/2.4.20-8/kernel/sound/pci/snd-intel8x0.o: insmod
> /lib/modules/2.4.18-14/kernel/sound/pci/snd-intel8x0.o failed
> /lib/modules/2.4.20-8/kernel/sound/pci/snd-intel8x0.o: insmod snd-intel8x0
> failed
>
> From searching in the archives I found that there might be a conflict with
> the loaded "i810_audio" OSS module. However, it seems there is no place in the
> start-up scripts that directly loads this module, so I suspect that Redhat's
> "kudzu" hardware detection installs it. Is this the problem and if so, how
> can I switch off the autodetection of the sound chip?
>
> Many thanks -- Frank
>
>
> Some additional data:
>
> # from /etc/modules.conf
> ...
> alias char-major-116 snd
> alias snd-card-0 snd-intel8x0
> alias char-major-14 soundcore
> alias sound-slot-0 i810_audio
> alias sound-service-0-0 snd-mixer-oss
> alias sound-service-0-1 snd-seq-oss
> alias sound-service-0-3 snd-pcm-oss
> alias sound-service-0-8 snd-seq-oss
> alias sound-service-0-12 snd-pcm-oss
> post-install snd-intel8x0 /usr/sbin/alsactl restore
> pre-remove snd-intel8x0 /usr/sbin/alsactl store
> ...
>
> # from /sbin/lsmod
> ...
> snd-mixer-oss 16408 0 (autoclean) (unused)
> snd 42916 0 (autoclean) [snd-mixer-oss]
> i810_audio 27720 1 (autoclean)
> ac97_codec 13640 0 (autoclean) [i810_audio]
> soundcore 6404 2 (autoclean) [snd i810_audio]
> ...
>
>
> # from /sbin/lspci -v
> 00:00.0 Host bridge: Intel Corp. 82845G/GL [Brookdale-G] Chipset Host Bridge
> (rev 02)
> Subsystem: Asustek Computer, Inc.: Unknown device 80b2
> Flags: bus master, fast devsel, latency 0
> Memory at f8000000 (32-bit, prefetchable) [size=64M]
> Capabilities: <available only to root>
>
> 00:01.0 PCI bridge: Intel Corp. 82845G/GL [Brookdale-G] Chipset AGP Bridge
> (rev 02) (prog-if 00 [Normal decode])
> Flags: bus master, 66Mhz, fast devsel, latency 64
> Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
> Memory behind bridge: f4800000-f5efffff
> Prefetchable memory behind bridge: f5f00000-f7ffffff
>
> 00:1d.0 USB Controller: Intel Corp. 82801DB USB (Hub #1) (rev 02) (prog-if
> 00 [UHCI])
> Subsystem: Asustek Computer, Inc.: Unknown device 8089
> Flags: bus master, medium devsel, latency 0, IRQ 7
> I/O ports at d800 [size=32]
>
> 00:1d.1 USB Controller: Intel Corp. 82801DB USB (Hub #2) (rev 02) (prog-if
> 00 [UHCI])
> Subsystem: Asustek Computer, Inc.: Unknown device 8089
> Flags: bus master, medium devsel, latency 0, IRQ 9
> I/O ports at d400 [size=32]
>
> 00:1d.2 USB Controller: Intel Corp. 82801DB USB (Hub #3) (rev 02) (prog-if
> 00 [UHCI])
> Subsystem: Asustek Computer, Inc.: Unknown device 8089
> Flags: bus master, medium devsel, latency 0, IRQ 9
> I/O ports at d000 [size=32]
>
> 00:1d.7 USB Controller: Intel Corp. 82801DB USB EHCI Controller (rev 02)
> (prog-if 20 [EHCI])
> Subsystem: Asustek Computer, Inc.: Unknown device 8089
> Flags: bus master, medium devsel, latency 0, IRQ 5
> Memory at f4000000 (32-bit, non-prefetchable) [size=1K]
> Capabilities: <available only to root>
>
> 00:1e.0 PCI bridge: Intel Corp. 82801BA/CA/DB PCI Bridge (rev 82) (prog-if
> 00 [Normal decode])
> Flags: bus master, fast devsel, latency 0
> Bus: primary=00, secondary=02, subordinate=02, sec-latency=32
> Memory behind bridge: f3800000-f3ffffff
>
> 00:1f.0 ISA bridge: Intel Corp. 82801DB ISA Bridge (LPC) (rev 02)
> Flags: bus master, medium devsel, latency 0
>
> 00:1f.1 IDE interface: Intel Corp. 82801DB ICH4 IDE (rev 02) (prog-if 8a
> [Master SecP PriP])
> Subsystem: Asustek Computer, Inc.: Unknown device 8089
> Flags: bus master, medium devsel, latency 0, IRQ 9
> I/O ports at <unassigned>
> I/O ports at <unassigned>
> I/O ports at <unassigned>
> I/O ports at <unassigned>
> I/O ports at f000 [size=16]
> Memory at 20000000 (32-bit, non-prefetchable) [size=1K]
>
> 00:1f.5 Multimedia audio controller: Intel Corp. 82801DB AC'97 Audio (rev
> 02)
> Subsystem: Asustek Computer, Inc.: Unknown device 80b0
> Flags: bus master, medium devsel, latency 0, IRQ 11
> I/O ports at b800 [size=256]
> I/O ports at b400 [size=64]
> Memory at f3000000 (32-bit, non-prefetchable) [size=512]
> Memory at f2800000 (32-bit, non-prefetchable) [size=256]
> Capabilities: <available only to root>
>
> 01:00.0 VGA compatible controller: Matrox Graphics, Inc. MGA G550 AGP (rev
> 01) (prog-if 00 [VGA])
> Subsystem: Matrox Graphics, Inc. Millennium G550 Dual Head DDR 32Mb
> Flags: bus master, medium devsel, latency 64, IRQ 7
> Memory at f6000000 (32-bit, prefetchable) [size=32M]
> Memory at f5000000 (32-bit, non-prefetchable) [size=16K]
> Memory at f4800000 (32-bit, non-prefetchable) [size=8M]
> Expansion ROM at f5fe0000 [disabled] [size=128K]
> Capabilities: <available only to root>
>
> 02:05.0 Ethernet controller: Broadcom Corporation BCM4401 100Base-T (rev 01)
> Subsystem: Asustek Computer, Inc.: Unknown device 80a8
> Flags: bus master, fast devsel, latency 32, IRQ 10
> Memory at f3800000 (32-bit, non-prefetchable) [size=8K]
> Capabilities: <available only to root>
>
>
--
Fedor G. Pikus
Mentor Graphics Corporation | Phone: (503) 685-4857
8405 SW Boeckman Road | FAX: (503) 685-1239
Wilsonville, Oregon 97070 | http://www.pikus.net/~pikus/
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