Details from my system....
vwil...@hp-pavilion:~$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: Intel [HDA Intel], device 1: STAC92xx Digital [STAC92xx Digital]
Subdevices: 1/1
Subdevice #0: subdevice #0
Kernel modules for sound are installed ("find /lib/modules/`uname -r` |
grep snd" returns plenty)
"lspci -v" returns the following Audio device:
00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio
Controller (rev 03)
Subsystem: Hewlett-Packard Company Device 1505
Flags: bus master, fast devsel, latency 0, IRQ 22
Memory at d9300000 (64-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: HDA Intel
Kernel modules: snd-hda-intel
"sudo modprobe snd-hda-intel" doesn't fix it....
I tried the reinstallation of drivers as described on the Sound Troubleshooting
page (https://help.ubuntu.com/community/SoundTroubleshooting), and it ran to
completion but produced this error during, which seemed a little odd:
Couldn't find any package whose name or description matched
"linux-ubuntu-modules-2.6.27-11-generic"
Couldn't find any package whose name or description matched
"linux-ubuntu-modules-2.6.27-11-generic"
Then I followed the prompts to restart, and it had not fixed the
problem.
Then I tried compiling the ALSA driver, and ran into a problem compiling
the linux-headers-2.6.27-11-generic source...
│ make[3]: Entering directory `/usr/src/linux-headers-2.6.27-11-generic' ▒
│ CC [M] /usr/src/modules/alsa-driver/acore/hwdep.o ▒
│ CC [M] /usr/src/modules/alsa-driver/acore/memory_wrapper.o ▒
│ CC [M] /usr/src/modules/alsa-driver/acore/memalloc.o ▒
│ CC [M] /usr/src/modules/alsa-driver/acore/sgbuf.o ▒
│ CC [M] /usr/src/modules/alsa-driver/acore/pcm.o ▒
│ CC [M] /usr/src/modules/alsa-driver/acore/pcm_native.o ▒
│ CC [M] /usr/src/modules/alsa-driver/acore/pcm_lib.o ▒
│ CC [M] /usr/src/modules/alsa-driver/acore/pcm_timer.o ▒
│ CC [M] /usr/src/modules/alsa-driver/acore/pcm_misc.o ▮
│ CC [M] /usr/src/modules/alsa-driver/acore/pcm_memory.o ▒
│ CC [M] /usr/src/modules/alsa-driver/acore/timer.o
│ CC [M] /usr/src/modules/alsa-driver/acore/wrappers.o ↑
│ CC [M] /usr/src/modules/alsa-driver/acore/misc_driver.o ▒
│ CC [M] /usr/src/modules/alsa-driver/acore/memory_debug.o ▒
│ CC [M] /usr/src/modules/alsa-driver/acore/sound.o ▒
│ /usr/src/modules/alsa-driver/acore/sound.c: In function ▒
│ ‘snd_request_other’: ▒
│ /usr/src/modules/alsa-driver/acore/sound.c:100: warning: format not a ▒
│ string literal and no format arguments ▒
│ CC [M] /usr/src/modules/alsa-driver/acore/init.o ▒
│ /usr/src/modules/alsa-driver/acore/init.c: In function ▒
│ ‘snd_card_register’: ▒
│ /usr/src/modules/alsa-driver/acore/init.c:568: warning: passing argument ▒
│ 5 of ‘device_create’ makes pointer from integer without a cast ▮
│ /usr/src/modules/alsa-driver/acore/init.c:568: warning: format not a ▒
│ string literal and no format arguments
│ CC [M] /usr/src/modules/alsa-driver/acore/memory.o ↑
│ CC [M] /usr/src/modules/alsa-driver/acore/info.o ▒
│ /usr/src/modules/alsa-driver/acore/info.c: In function ▒
│ ‘resize_info_buffer’: ▒
│ /usr/src/modules/alsa-driver/acore/info.c:90: error: implicit ▒
│ declaration of function ‘PAGE_ALIGN’ ▒
│ make[5]: *** [/usr/src/modules/alsa-driver/acore/info.o] Error 1 ▒
│ make[4]: *** [/usr/src/modules/alsa-driver/acore] Error 2 ▒
│ make[3]: *** [_module_/usr/src/modules/alsa-driver] Error 2 ▒
│ make[3]: Leaving directory `/usr/src/linux-headers-2.6.27-11-generic' ▒
│ make[2]: *** [compile] Error 2 ▒
│ make[2]: Leaving directory `/usr/src/modules/alsa-driver' ▒
│ make[1]: *** [build-stamp] Error 2 ▒
│ make[1]: Leaving directory `/usr/src/modules/alsa-driver' ▮
│ make: *** [kdist_image] Error 2
Doesn't look too tidy. Anyone know it this could be our problem?
Last but not least I restored to the supposed-correct drivers using the
"sudo aptitude --purge --reinstall" instruction listed in
refreshing/reinstalling the drivers, which prompted a reboot but again
did not solve the problem.
Needless to say, I'm not at my happiest right now having spent a couple
of hours trying to fix something that worked perfectly fine yesterday.
I've also rebooted into Vista to double-check it's not a hardware
problem and the speakers work fine from there. It's definitely a problem
with Ubuntu, and something that's been changed in the last week.
** Summary changed:
- New! no sound from external speakers. Sound from headset only.
+ New! no sound from external speakers. Sound from USB headset only.
** Summary changed:
- New! no sound from external speakers. Sound from USB headset only.
+ New! Sound vanished from speakers. Sound from USB headset only.
--
New! Sound vanished from speakers. Sound from USB headset only.
https://bugs.launchpad.net/bugs/328869
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