Hi,
I've some seriuos problems with alsa and my audio chip, a VIA
Technologies, Inc. VT1708/A [Azalia HDAC] (VIA High Definition Audio
Controller) (rev 10).
First of all, sometimes audio isn't working at all at boot time (it
dies?): I've to reload alsa (sudo alsa reload) manually.
Furthermore, alsa driver (intel-hda) is very unstable and it sometimes
goes in crash randomly.
I've this kind of problem with every previous Ubuntu version, and the
audio works fine in M$ Windows XP.
So, it's time to try solving this annoying issue with this audio chip :)
Note that when alsa is up and running, dmesg floods me there's
something wrong with alsa:
...cut...
[ 514.822502] ALSA hda_intel.c:658: spurious response 0x0:0x0, last
cmd=0x870610
[ 514.822524] ALSA hda_intel.c:658: spurious response 0x0:0x0, last
cmd=0x870610
[ 514.822544] ALSA hda_intel.c:658: spurious response 0x0:0x0, last
cmd=0x870610
[ 514.822565] ALSA hda_intel.c:658: spurious response 0x0:0x0, last
cmd=0x870610
[ 514.822585] ALSA hda_intel.c:658: spurious response 0x0:0x0, last
cmd=0x870610
[ 514.822606] ALSA hda_intel.c:658: spurious response 0x0:0x0, last
cmd=0x870610
[ 514.822627] ALSA hda_intel.c:658: spurious response 0x0:0x0, last
cmd=0x870610
...cut...
I've tried with alsa backports, but it seems that nothing is changed.
My system:
MB: Asrock 4CoreDual-SATA
CPU: Intel(R) Core(TM)2 Duo CPU E4500 @ 2.20GHz stepping 0d
Memory: 2 GB DDR2 (memtested OK)
VGA: Asus GeForce 9400 1GB DDR3
HD: 250 GB IDE
Audio: VT1708/A [Azalia HDAC]
OS: Ubuntu 10.04 AMD64
--->alsa-info.sh reports:
upload=true&script=true&cardinfo=
!!################################
!!ALSA Information Script v 0.4.59
!!################################
!!Script ran on: Fri May 14 15:12:40 UTC 2010
!!Linux Distribution
!!------------------
Ubuntu 10.04 LTS \n \l DISTRIB_ID=Ubuntu DISTRIB_DESCRIPTION="Ubuntu 10.04 LTS"
!!DMI Information
!!---------------
Manufacturer: To Be Filled By O.E.M.
Product Name: To Be Filled By O.E.M.
!!Kernel Information
!!------------------
Kernel release: 2.6.32-22-generic
Operating System: GNU/Linux
Architecture: x86_64
Processor: unknown
SMP Enabled: Yes
!!ALSA Version
!!------------
Driver version: 1.0.22.1
Library version: 1.0.22
Utilities version: 1.0.22
!!Loaded ALSA modules
!!-------------------
snd_hda_intel
!!Sound Servers on this system
!!----------------------------
Pulseaudio:
Installed - Yes (/usr/bin/pulseaudio)
Running - Yes
ESound Daemon:
Installed - Yes (/usr/bin/esd)
Running - No
!!Soundcards recognised by ALSA
!!-----------------------------
0 [VT82xx ]: HDA-Intel - HDA VIA VT82xx
HDA VIA VT82xx at 0xfebfc000 irq 49
!!PCI Soundcards installed in the system
!!--------------------------------------
80:01.0 Audio device: VIA Technologies, Inc. VT1708/A [Azalia HDAC]
(VIA High Definition Audio Controller) (rev 10)
!!Advanced information - PCI Vendor/Device/Susbsystem ID's
!!--------------------------------------------------------
80:01.0 0403: 1106:3288 (rev 10)
Subsystem: 1849:0888
!!Modprobe options (Sound related)
!!--------------------------------
snd-atiixp-modem: index=-2
snd-intel8x0m: index=-2
snd-via82xx-modem: index=-2
snd-usb-audio: index=-2
snd-usb-us122l: index=-2
snd-usb-usx2y: index=-2
snd-usb-caiaq: index=-2
snd-cmipci: mpu_port=0x330 fm_port=0x388
snd-pcsp: index=-2
!!Loaded sound module options
!!--------------------------
!!Module: snd_hda_intel
bdl_pos_adj : 32,-1,-1,-1,-1,-1,-1,-1
beep_mode : 1,1,1,1,1,1,1,1
enable : Y,Y,Y,Y,Y,Y,Y,Y
enable_msi : -1
id : <NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>
index : -1,-1,-1,-1,-1,-1,-1,-1
model : <NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>
patch : <NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>,<NULL>
position_fix : 0,0,0,0,0,0,0,0
power_save : 0
power_save_controller : Y
probe_mask : -1,-1,-1,-1,-1,-1,-1,-1
probe_only : N,N,N,N,N,N,N,N
single_cmd : N
!!HDA-Intel Codec information
!!---------------------------
--startcollapse--
Codec: Realtek ALC888
Address: 0
Function Id: 0x1
Vendor Id: 0x10ec0888
Subsystem Id: 0x18491e01
Revision Id: 0x100001
No Modem Function Group found
Default PCM:
rates [0x0]:
bits [0x0]:
formats [0x0]:
Default Amp-In caps: N/A
Default Amp-Out caps: N/A
Invalid AFG subtree
--endcollapse--
my alsa.conf:
# autoloader aliases
install sound-slot-0 /sbin/modprobe snd-card-0
install sound-slot-1 /sbin/modprobe snd-card-1
install sound-slot-2 /sbin/modprobe snd-card-2
install sound-slot-3 /sbin/modprobe snd-card-3
install sound-slot-4 /sbin/modprobe snd-card-4
install sound-slot-5 /sbin/modprobe snd-card-5
install sound-slot-6 /sbin/modprobe snd-card-6
install sound-slot-7 /sbin/modprobe snd-card-7
# Cause optional modules to be loaded above generic modules
install snd /sbin/modprobe --ignore-install snd $CMDLINE_OPTS && {
/sbin/modprobe --quiet --use-blacklist snd-ioctl32 ; /sbin/modprobe
--quiet --use-blacklist snd-seq ; }
#
# Workaround at bug #499695 (reverted in Ubuntu see LP #319505)
install snd-pcm /sbin/modprobe --ignore-install snd-pcm $CMDLINE_OPTS
&& { /sbin/modprobe --quiet --use-blacklist snd-pcm-oss ; : ; }
install snd-mixer /sbin/modprobe --ignore-install snd-mixer
$CMDLINE_OPTS && { /sbin/modprobe --quiet --use-blacklist
snd-mixer-oss ; : ; }
install snd-seq /sbin/modprobe --ignore-install snd-seq $CMDLINE_OPTS
&& { /sbin/modprobe --quiet --use-blacklist snd-seq-midi ;
/sbin/modprobe --quiet --use-blacklist snd-seq-oss ; : ; }
#
install snd-rawmidi /sbin/modprobe --ignore-install snd-rawmidi
$CMDLINE_OPTS && { /sbin/modprobe --quiet --use-blacklist snd-seq-midi
; : ; }
# Cause optional modules to be loaded above sound card driver modules
install snd-emu10k1 /sbin/modprobe --ignore-install snd-emu10k1
$CMDLINE_OPTS && { /sbin/modprobe --quiet --use-blacklist
snd-emu10k1-synth ; }
install snd-via82xx /sbin/modprobe --ignore-install snd-via82xx
$CMDLINE_OPTS && { /sbin/modprobe --quiet --use-blacklist snd-seq ; }
# Load saa7134-alsa instead of saa7134 (which gets dragged in by it anyway)
install saa7134 /sbin/modprobe --ignore-install saa7134 $CMDLINE_OPTS
&& { /sbin/modprobe --quiet --use-blacklist saa7134-alsa ; : ; }
# Prevent abnormal drivers from grabbing index 0
options bt87x index=-2
options cx88_alsa index=-2
options saa7134-alsa index=-2
options snd-atiixp-modem index=-2
options snd-intel8x0m index=-2
options snd-via82xx-modem index=-2
options snd-usb-audio index=-2
options snd-usb-us122l index=-2
options snd-usb-usx2y index=-2
options snd-usb-caiaq index=-2
# Ubuntu #62691, enable MPU for snd-cmipci
options snd-cmipci mpu_port=0x330 fm_port=0x388
# Keep snd-pcsp from being loaded as first soundcard
options snd-pcsp index=-2
What I have to do to fix these problems in a permanent way (if
possible, without change audio card)?
Thank you in advance
Epg.
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