Public bug reported:

The sound card is there, confirmed by 'lspci |grep -i sound', but when I
manually try to load via modprobe snd_ca0106 I get this error:

sudo modprobe snd_ca0106
WARNING: Error inserting snd_seq_device 
(/lib/modules/2.6.32-25-generic/kernel/sound/acore/seq/snd-seq-device.ko): 
Unknown symbol in module, or unknown parameter (see dmesg)
WARNING: Error inserting snd_rawmidi 
(/lib/modules/2.6.32-25-generic/kernel/sound/acore/snd-rawmidi.ko): Unknown 
symbol in module, or unknown parameter (see dmesg)
FATAL: Error inserting snd_ca0106 
(/lib/modules/2.6.32-25-generic/kernel/sound/pci/ca0106/snd-ca0106.ko): Unknown 
symbol in module, or unknown parameter (see dmesg)

dmesg:

 snd_ac97_codec: disagrees about version of symbol snd_info_register
[  703.957648] snd_ac97_codec: Unknown symbol snd_info_register
[  703.957988] snd_ac97_codec: disagrees about version of symbol snd_ctl_add
[  703.957992] snd_ac97_codec: Unknown symbol snd_ctl_add
[  703.958341] snd_ac97_codec: disagrees about version of symbol 
snd_info_free_entry
[  703.958345] snd_ac97_codec: Unknown symbol snd_info_free_entry
[  703.958760] snd_ac97_codec: disagrees about version of symbol snd_ctl_find_id
[  703.958764] snd_ac97_codec: Unknown symbol snd_ctl_find_id
[  703.958961] snd_ac97_codec: disagrees about version of symbol snd_ctl_new1
[  703.958965] snd_ac97_codec: Unknown symbol snd_ctl_new1
[  703.959185] snd_ac97_codec: disagrees about version of symbol 
snd_ctl_remove_id
[  703.959190] snd_ac97_codec: Unknown symbol snd_ctl_remove_id
[  703.959439] snd_ac97_codec: disagrees about version of symbol 
snd_component_add
[  703.959443] snd_ac97_codec: Unknown symbol snd_component_add
[  703.959640] snd_ac97_codec: disagrees about version of symbol 
snd_ctl_make_virtual_master
[  703.959645] snd_ac97_codec: Unknown symbol snd_ctl_make_virtual_master
[  703.959832] snd_ac97_codec: disagrees about version of symbol 
snd_pcm_hw_rule_add
[  703.959837] snd_ac97_codec: Unknown symbol snd_pcm_hw_rule_add
[  703.960308] snd_ac97_codec: disagrees about version of symbol 
snd_ctl_boolean_mono_info
[  703.960312] snd_ac97_codec: Unknown symbol snd_ctl_boolean_mono_info
[  703.960503] snd_ac97_codec: disagrees about version of symbol ac97_bus_type
[  703.960508] snd_ac97_codec: Unknown symbol ac97_bus_type
[  703.961159] snd_ac97_codec: disagrees about version of symbol 
_snd_ctl_add_slave
[  703.961164] snd_ac97_codec: Unknown symbol _snd_ctl_add_slave
[  703.961561] snd_ac97_codec: disagrees about version of symbol 
snd_info_create_card_entry
[  703.961565] snd_ac97_codec: Unknown symbol snd_info_create_card_entry
[  973.956578] snd_ac97_codec: disagrees about version of symbol 
snd_info_register
[  973.956589] snd_ac97_codec: Unknown symbol snd_info_register
[  973.956929] snd_ac97_codec: disagrees about version of symbol snd_ctl_add
[  973.956933] snd_ac97_codec: Unknown symbol snd_ctl_add
[  973.957282] snd_ac97_codec: disagrees about version of symbol 
snd_info_free_entry
[  973.957286] snd_ac97_codec: Unknown symbol snd_info_free_entry
[  973.957708] snd_ac97_codec: disagrees about version of symbol snd_ctl_find_id
[  973.957713] snd_ac97_codec: Unknown symbol snd_ctl_find_id
[  973.957909] snd_ac97_codec: disagrees about version of symbol snd_ctl_new1
[  973.957913] snd_ac97_codec: Unknown symbol snd_ctl_new1
[  973.958134] snd_ac97_codec: disagrees about version of symbol 
snd_ctl_remove_id
[  973.958138] snd_ac97_codec: Unknown symbol snd_ctl_remove_id
[  973.958388] snd_ac97_codec: disagrees about version of symbol 
snd_component_add
[  973.958392] snd_ac97_codec: Unknown symbol snd_component_add
[  973.958590] snd_ac97_codec: disagrees about version of symbol 
snd_ctl_make_virtual_master
[  973.958594] snd_ac97_codec: Unknown symbol snd_ctl_make_virtual_master
[  973.958783] snd_ac97_codec: disagrees about version of symbol 
snd_pcm_hw_rule_add
[  973.958787] snd_ac97_codec: Unknown symbol snd_pcm_hw_rule_add
[  973.959258] snd_ac97_codec: disagrees about version of symbol 
snd_ctl_boolean_mono_info
[  973.959262] snd_ac97_codec: Unknown symbol snd_ctl_boolean_mono_info
[  973.959453] snd_ac97_codec: disagrees about version of symbol ac97_bus_type
[  973.959457] snd_ac97_codec: Unknown symbol ac97_bus_type
[  973.960131] snd_ac97_codec: disagrees about version of symbol 
_snd_ctl_add_slave
[  973.960136] snd_ac97_codec: Unknown symbol _snd_ctl_add_slave
[  973.960531] snd_ac97_codec: disagrees about version of symbol 
snd_info_create_card_entry
[  973.960536] snd_ac97_codec: Unknown symbol snd_info_create_card_entry

Ubuntu 10.04x64, AMD, Soundblaster Live! 7.1-- known to work.

It was suggester elsewhere that this might be a kernel regression.  I am
going to try a previous one.

ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: alsa-base 1.0.22.1+dfsg-0ubuntu3
ProcVersionSignature: Ubuntu 2.6.32-25.45-generic 2.6.32.21+drm33.7
Uname: Linux 2.6.32-25-generic x86_64
NonfreeKernelModules: nvidia
AlsaDevices:
 total 0
 crw-rw----+ 1 root audio 116,  1 2010-11-01 19:45 seq
 crw-rw----+ 1 root audio 116, 33 2010-11-01 19:45 timer
AlsaVersion:
 Advanced Linux Sound Architecture Driver Version 1.0.23.
 Compiled on Oct 10 2010 for kernel 2.6.32-25-generic (SMP).
AplayDevices: aplay: device_list:235: no soundcards found...
Architecture: amd64
ArecordDevices: arecord: device_list:235: no soundcards found...
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', 
'/dev/snd/timer', '/dev/sequencer2', '/dev/sequencer'] failed with exit code 1:
Date: Mon Nov  1 19:51:33 2010
PackageArchitecture: all
ProcEnviron:
 LANG=en_US.utf8
 SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Title: Soundcard not detected
dmi.bios.date: 08/10/2006
dmi.bios.vendor: Phoenix Technologies, LTD
dmi.bios.version: ASUS A8N-SLI Premium ACPI BIOS Revision 1303
dmi.board.name: A8N-SLI Premium
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: 1.02
dmi.chassis.asset.tag: 123456789000
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias: 
dmi:bvnPhoenixTechnologies,LTD:bvrASUSA8N-SLIPremiumACPIBIOSRevision1303:bd08/10/2006:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnA8N-SLIPremium:rvr1.02:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer

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


** Tags: amd64 apport-bug lucid

-- 
Soundcard not detected (Actually driver not loaded because of symbol confusion)
https://bugs.launchpad.net/bugs/669731
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