Public bug reported:

Binary package hint: alsa-utils

finding sound broken in beta-maverick I tried to solve things for myself
now more than a month later it still is not solved for me.
I followed several howtos and guidelines to solve audio issues,
but I am really stuck now.

aplay works fine, alsamixer does not

my guides
https://wiki.ubuntu.com/PulseAudio
http://ubuntuforums.org/showthread.php?t=205449&highlight=pulse
http://ubuntuforums.org/showthread.php?t=1381964

my system details
hardware: IBM xSeries eServer 226
soundcard: offboard pci cm8738

software:
alsa-base 1.0.23+dfsg-1ubuntu3
alsa-utils 1.0.23+dfsg-2ubuntu3
pulseaudio 1:0.9.22~git20100719-0ubuntu1~ppa2

# uname -a
Linux head.undifined.nl 2.6.32-24-generic #39-Ubuntu SMP Wed Jul 28 05:14:15 
UTC 2010 x86_64 GNU/Linux

# lspci -v
00:00.0 Host bridge: Intel Corporation E7525 Memory Controller Hub (rev 0a)
        Subsystem: Intel Corporation E7525 Memory Controller Hub
        Flags: bus master, fast devsel, latency 0
        Capabilities: [40] Vendor Specific Information: Len=05 <?>
        Kernel modules: e752x_edac

00:02.0 PCI bridge: Intel Corporation E7525/E7520/E7320 PCI Express Port A (rev 
0a) (prog-if 00 [Normal decode])
        Flags: bus master, fast devsel, latency 0
        Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
        Memory behind bridge: b0100000-b01fffff
        Capabilities: [50] Power Management version 2
        Capabilities: [58] MSI: Enable+ Count=1/2 Maskable- 64bit-
        Capabilities: [64] Express Root Port (Slot-), MSI 00
        Capabilities: [100] Advanced Error Reporting
        Kernel driver in use: pcieport
        Kernel modules: shpchp

00:03.0 PCI bridge: Intel Corporation E7525/E7520/E7320 PCI Express Port A1 
(rev 0a) (prog-if 00 [Normal decode])
        Flags: bus master, fast devsel, latency 0
        Bus: primary=00, secondary=02, subordinate=04, sec-latency=0
        I/O behind bridge: 00002000-00002fff
        Memory behind bridge: b0200000-b03fffff
        Capabilities: [50] Power Management version 2
        Capabilities: [58] MSI: Enable+ Count=1/2 Maskable- 64bit-
        Capabilities: [64] Express Root Port (Slot-), MSI 00
        Capabilities: [100] Advanced Error Reporting
        Kernel driver in use: pcieport
        Kernel modules: shpchp

00:04.0 PCI bridge: Intel Corporation E7525/E7520 PCI Express Port B (rev 0a) 
(prog-if 00 [Normal decode])
        Flags: bus master, fast devsel, latency 0
        Bus: primary=00, secondary=05, subordinate=05, sec-latency=0
        I/O behind bridge: 00003000-00003fff
        Memory behind bridge: b0400000-b04fffff
        Prefetchable memory behind bridge: 00000000c0000000-00000000cfffffff
        Capabilities: [50] Power Management version 2
        Capabilities: [58] MSI: Enable+ Count=1/2 Maskable- 64bit-
        Capabilities: [64] Express Root Port (Slot-), MSI 00
        Capabilities: [100] Advanced Error Reporting
        Kernel driver in use: pcieport
        Kernel modules: shpchp

00:1d.0 USB Controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB UHCI 
Controller #1 (rev 02) (prog-if 00 [UHCI])
        Subsystem: IBM eServer xSeries server mainboard
        Flags: bus master, medium devsel, latency 0, IRQ 16
        I/O ports at 1400 [size=32]
        Kernel driver in use: uhci_hcd

00:1d.1 USB Controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB UHCI 
Controller #2 (rev 02) (prog-if 00 [UHCI])
        Subsystem: IBM eServer xSeries server mainboard
        Flags: bus master, medium devsel, latency 0, IRQ 19
        I/O ports at 1420 [size=32]
        Kernel driver in use: uhci_hcd

00:1d.2 USB Controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB UHCI 
Controller #3 (rev 02) (prog-if 00 [UHCI])
        Subsystem: IBM xSeries server mainboard
        Flags: bus master, medium devsel, latency 0, IRQ 18
        I/O ports at 1440 [size=32]
        Kernel driver in use: uhci_hcd

00:1d.3 USB Controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB UHCI 
Controller #4 (rev 02) (prog-if 00 [UHCI])
        Subsystem: IBM xSeries server mainboard
        Flags: bus master, medium devsel, latency 0, IRQ 16
        I/O ports at 1460 [size=32]
        Kernel driver in use: uhci_hcd

00:1d.7 USB Controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB2 EHCI 
Controller (rev 02) (prog-if 20 [EHCI])
        Subsystem: IBM eServer xSeries server mainboard
        Flags: bus master, medium devsel, latency 0, IRQ 23
        Memory at b0000000 (32-bit, non-prefetchable) [size=1K]
        Capabilities: [50] Power Management version 2
        Capabilities: [58] Debug port: BAR=1 offset=00a0
        Kernel driver in use: ehci_hcd

00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev c2) (prog-if 00 
[Normal decode])
        Flags: bus master, fast devsel, latency 0
        Bus: primary=00, secondary=06, subordinate=06, sec-latency=32
        I/O behind bridge: 00004000-00004fff
        Memory behind bridge: b0500000-b05fffff
        Prefetchable memory behind bridge: d0000000-d7ffffff
        Kernel modules: shpchp

00:1f.0 ISA bridge: Intel Corporation 82801EB/ER (ICH5/ICH5R) LPC Interface 
Bridge (rev 02)
        Flags: bus master, medium devsel, latency 0
        Kernel modules: iTCO_wdt, intel-rng

00:1f.1 IDE interface: Intel Corporation 82801EB/ER (ICH5/ICH5R) IDE Controller 
(rev 02) (prog-if 8a [Master SecP PriP])
        Subsystem: IBM eServer xSeries server mainboard
        Flags: bus master, medium devsel, latency 0, IRQ 18
        I/O ports at 01f0 [size=8]
        I/O ports at 03f4 [size=1]
        I/O ports at 0170 [size=8]
        I/O ports at 0374 [size=1]
        I/O ports at 14a0 [size=16]
        Memory at b0000400 (32-bit, non-prefetchable) [size=1K]
        Kernel driver in use: ata_piix

00:1f.2 RAID bus controller: Intel Corporation 82801ER (ICH5R) SATA Controller 
(rev 02) (prog-if 8f)
        Subsystem: IBM Device 02dd
        Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 18
        I/O ports at 14d0 [size=8]
        I/O ports at 14c4 [size=4]
        I/O ports at 14c8 [size=8]
        I/O ports at 14c0 [size=4]
        I/O ports at 14b0 [size=16]
        Kernel driver in use: ata_piix

00:1f.3 SMBus: Intel Corporation 82801EB/ER (ICH5/ICH5R) SMBus Controller (rev 
02)
        Subsystem: IBM eServer xSeries server mainboard
        Flags: medium devsel, IRQ 10
        I/O ports at 1100 [size=32]
        Kernel modules: i2c-i801

01:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5721 Gigabit 
Ethernet PCI Express (rev 10)
        Subsystem: IBM eServer xSeries server mainboard
        Flags: bus master, fast devsel, latency 0, IRQ 16
        Memory at b0100000 (64-bit, non-prefetchable) [size=64K]
        Expansion ROM at <ignored> [disabled]
        Capabilities: [48] Power Management version 2
        Capabilities: [50] Vital Product Data
        Capabilities: [58] MSI: Enable- Count=1/8 Maskable- 64bit+
        Capabilities: [d0] Express Endpoint, MSI 00
        Capabilities: [100] Advanced Error Reporting
        Capabilities: [13c] Virtual Channel
        Kernel driver in use: tg3
        Kernel modules: tg3

02:00.0 PCI bridge: Intel Corporation 6700PXH PCI Express-to-PCI Bridge A (rev 
09) (prog-if 00 [Normal decode])
        Flags: bus master, fast devsel, latency 0
        Bus: primary=02, secondary=03, subordinate=03, sec-latency=64
        Capabilities: [44] Express PCI/PCI-X Bridge, MSI 00
        Capabilities: [5c] MSI: Enable- Count=1/1 Maskable- 64bit+
        Capabilities: [6c] Power Management version 2
        Capabilities: [d8] PCI-X bridge device
        Capabilities: [100] Advanced Error Reporting
        Capabilities: [300] Power Budgeting <?>
        Kernel modules: shpchp

02:00.1 PIC: Intel Corporation 6700/6702PXH I/OxAPIC Interrupt Controller A 
(rev 09) (prog-if 20 [IO(X)-APIC])
        Flags: bus master, fast devsel, latency 0
        Memory at b0200000 (32-bit, non-prefetchable) [size=4K]
        Capabilities: [44] Express Endpoint, MSI 00
        Capabilities: [6c] Power Management version 2

        Capabilities: [44] Express PCI/PCI-X Bridge, MSI 00
        Capabilities: [5c] MSI: Enable- Count=1/1 Maskable- 64bit+
        Capabilities: [6c] Power Management version 2
        Capabilities: [d8] PCI-X bridge device
        Capabilities: [100] Advanced Error Reporting
        Capabilities: [300] Power Budgeting <?>
        Kernel modules: shpchp

02:00.3 PIC: Intel Corporation 6700PXH I/OxAPIC Interrupt Controller B (rev 09) 
(prog-if 20 [IO(X)-APIC])
        Flags: bus master, fast devsel, latency 0
        Memory at b0201000 (32-bit, non-prefetchable) [size=4K]
        Capabilities: [44] Express Endpoint, MSI 00
        Capabilities: [6c] Power Management version 2

04:01.0 Ethernet controller: Realtek Semiconductor Co., Ltd. 
RTL-8139/8139C/8139C+ (rev 10)
        Subsystem: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+
        Flags: bus master, medium devsel, latency 32, IRQ 48
        I/O ports at 2000 [size=256]
        Memory at b0300000 (32-bit, non-prefetchable) [size=256]
        Capabilities: [50] Power Management version 2
        Kernel driver in use: 8139too
        Kernel modules: 8139too, 8139cp

05:00.0 VGA compatible controller: ATI Technologies Inc RV570 [Radeon X1950 
Pro] (prog-if 00 [VGA controller])
        Subsystem: ASUSTeK Computer Inc. Device 0182
        Flags: bus master, fast devsel, latency 0, IRQ 75
        Memory at c0000000 (64-bit, prefetchable) [size=256M]
        Memory at b0400000 (64-bit, non-prefetchable) [size=64K]
        I/O ports at 3000 [size=256]
        [virtual] Expansion ROM at b0420000 [disabled] [size=128K]
        Capabilities: [50] Power Management version 2
        Capabilities: [58] Express Endpoint, MSI 00
        Capabilities: [80] MSI: Enable+ Count=1/1 Maskable- 64bit+
        Kernel driver in use: radeon
        Kernel modules: radeon

05:00.1 Display controller: ATI Technologies Inc RV570 [Radeon X1950 Pro] 
(secondary)
        Subsystem: ASUSTeK Computer Inc. Device 0183
        Flags: bus master, fast devsel, latency 0
        Memory at b0410000 (64-bit, non-prefetchable) [size=64K]
        Capabilities: [50] Power Management version 2
        Capabilities: [58] Express Endpoint, MSI 00

06:02.0 Multimedia audio controller: C-Media Electronics Inc CM8738 (rev 10)
        Subsystem: C-Media Electronics Inc CMI8738/C3DX PCI Audio Device
        Flags: bus master, medium devsel, latency 32, IRQ 17
        I/O ports at 4000 [size=256]
        Capabilities: [c0] Power Management version 2
        Kernel driver in use: C-Media PCI
        Kernel modules: snd-cmipci

06:04.0 VGA compatible controller: ATI Technologies Inc Radeon RV100 QY [Radeon 
7000/VE] (prog-if 00 [VGA controller])
        Subsystem: IBM eServer xSeries server mainboard
        Flags: stepping, medium devsel, IRQ 22
        Memory at d0000000 (32-bit, prefetchable) [disabled] [size=128M]
        I/O ports at 4400 [disabled] [size=256]
        Memory at b0500000 (32-bit, non-prefetchable) [disabled] [size=64K]
        Expansion ROM at b0520000 [disabled] [size=128K]
        Capabilities: [50] Power Management version 2
        Kernel modules: radeonfb, radeo

** Affects: alsa-utils (Ubuntu)
     Importance: Undecided
         Status: New

-- 
aplay works fine, alsamixer does not
https://bugs.launchpad.net/bugs/633399
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