[Pkg-alsa-devel] Bug#601728: alsa-base: No sound through laptop speakers in newer kernels (hda intel)

Fri Oct 29 02:17:13 UTC 2010

Package: alsa-base
Version: 1.0.23+dfsg-1
Severity: important

This bug is somehow similar to the one described in the bug report # 500162.

If the system boots up using a 2.6.30 kernel (and, as far as I can remember,
former ones too), everything works perfectly. However, booting with newer
versions (right now, 2.6.32-5-686) leads to a strange behaviour: Apparently,
there is no sound working at all. Alsamixer and any other mixer applet seem to
work perfectly well, but no sound is heard through the laptop speakers. But, if
I plug some headphones in, I can hear sound through them.

I am not sure about wether this is something alsa-related, or with something in
the kernel configuration, or even a hardware problem (i don't think so, because
it works well on a 2.6.30 kernel...).

This is a Fujitsu Amilo Pi 1505 laptop, with some Intel integrated audio
chipset, if that helps. I am not sure wether I should provide more specific
informatio here, or even how to do it (I mean, should I paste an 'lspci', or
whatever, at this point?)...

Please, let me know if I can do anything else to help making the problem
clearer, or doing whatever that could help.

-- Package-specific info:
--- Begin additional package status ---
warning, in file '/var/lib/dpkg/available' near line 62587 package 'smw':
 missing maintainer
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name                                            Version
Description
+++-===============================================-===============================================-==============================================================================================================
ii  libasound2                                      1.0.23-2
shared library for ALSA applications
--- End additional package status ---
--- Begin /proc/asound/version ---
Advanced Linux Sound Architecture Driver Version 1.0.21.
--- End /proc/asound/version ---
--- Begin /proc/asound/cards ---
 0 [Intel          ]: HDA-Intel - HDA Intel
                      HDA Intel at 0xf0000000 irq 22
--- End /proc/asound/cards ---
--- Begin /dev/snd/ listing ---
total 0
drwxr-xr-x  2 root root       60 Oct 29 03:24 by-path
crw-rw----+ 1 root audio 116, 10 Oct 29 03:24 controlC0
crw-rw----+ 1 root audio 116,  9 Oct 29 03:24 hwC0D0
crw-rw----+ 1 root audio 116,  8 Oct 29 03:24 hwC0D1
crw-rw----+ 1 root audio 116,  5 Oct 29 03:24 pcmC0D0c
crw-rw----+ 1 root audio 116,  4 Oct 29 03:25 pcmC0D0p
crw-rw----+ 1 root audio 116,  3 Oct 29 03:24 pcmC0D1p
crw-rw----+ 1 root audio 116,  7 Oct 29 03:24 pcmC0D6c
crw-rw----+ 1 root audio 116,  6 Oct 29 03:24 pcmC0D6p
crw-rw----+ 1 root audio 116, 11 Oct 29 03:24 seq
crw-rw----+ 1 root audio 116,  2 Oct 29 02:00 timer
--- End /dev/snd/ listing ---

-- System Information:
Debian Release: squeeze/sid
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: i386 (i686)

Kernel: Linux 2.6.32-5-686 (SMP w/2 CPU cores)
Locale: LANG=gl_ES.UTF-8, LC_CTYPE=gl_ES.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages alsa-base depends on:
ii  linux-sound-base           1.0.23+dfsg-1 base package for ALSA and OSS soun
ii  lsof                       4.81.dfsg.1-1 List open files
ii  module-init-tools          3.12-1        tools for managing Linux kernel mo
ii  udev                       163-2         /dev/ and hotplug management daemo

Versions of packages alsa-base recommends:
ii  alsa-utils                    1.0.23-3   Utilities for configuring and usin

Versions of packages alsa-base suggests:
ii  alsa-oss                      1.0.17-4   ALSA wrapper for OSS applications
ii  apmd                          3.2.2-14   Utilities for Advanced Power Manag
ii  oss-compat                    0.0.4+nmu3 OSS compatibility package

Versions of packages libasound2 depends on:
ii  libc6                         2.11.2-6   Embedded GNU C Library: Shared lib

-- Configuration Files:
/etc/modprobe.d/alsa-base.conf changed:
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
install snd /sbin/modprobe --ignore-install snd && { /sbin/modprobe --quiet
snd-ioctl32 ; /sbin/modprobe --quiet snd-seq ; }
install snd-rawmidi /sbin/modprobe --ignore-install snd-rawmidi && {
/sbin/modprobe --quiet snd-seq-midi ; : ; }
install snd-emu10k1 /sbin/modprobe --ignore-install snd-emu10k1 && {
/sbin/modprobe --quiet snd-emu10k1-synth ; : ; }
options bt87x index=-2
options cx88_alsa index=-2
options snd-atiixp-modem index=-2
options snd-intel8x0m index=-2
options snd-via82xx-modem index=-2
options snd-pcsp index=-2
options snd-usb-audio index=-2
options snd-hda-intel model=fujitsu-pi2515

-- no debconf information