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Old 01-13-2009, 11:47 PM
"M. Lewis"
 
Default AMD64 No sound -

M. Lewis wrote:


M. Lewis wrote:

M. Lewis wrote:

Lenny
KDE

I decided to change from 686 to AMD64 architecture after all the buzz
the past few days about the virtues of using the AMD64 architecture.
After installing Lenny, I have no sound at all. (with 686, I had
sound from the install, no problem).


moe:~# lspci | grep -i audio
00:14.2 Audio device: ATI Technologies Inc SBx00 Azalia (Intel HDA)

moe:~# cat /proc/asound/cards
--- no soundcards ---

moe:~# cat /dev/sndstat
Sound Driver:3.8.1a-980706 (ALSA v1.0.16 emulation code)
Kernel: Linux moe 2.6.26-1-amd64 #1 SMP Mon Dec 15 17:25:36 UTC 2008
x86_64

Config options: 0

Installed drivers:
Type 10: ALSA emulation

Card config:
--- no soundcards ---

Audio devices: NOT ENABLED IN CONFIG

Synth devices: NOT ENABLED IN CONFIG

Midi devices: NOT ENABLED IN CONFIG

Timers:
7: system timer

Mixers: NOT ENABLED IN CONFIG

moe:~# ls -l /dev/{snd,dsp}
ls: cannot access /dev/dsp: No such file or directory
/dev/snd:
total 0
crw-rw---- 1 root audio 116, 1 2009-01-10 07:28 seq
crw-rw---- 1 root audio 116, 33 2009-01-10 07:28 timer


I've done a good bit of searching in the archives, but as of yet I've
not found a solution.


Thanks in advance,
Mike



Doing more digging, I find I also have this [1] problem (problem #1).
I'm not sure if the two issues are related at all. I have tried
booting with iommu=soft, still no sound.


[1] http://marc.info/?l=debian-user&m=122797497510015&w=2


I may be getting closer to the solution. I did get sound out of the
machine a few minutes ago. I found this entry in /var/log/messages when
the sound was working:


Jan 11 02:04:28 moe kernel: [ 6431.540366] ACPI: PCI Interrupt
0000:00:14.2[A] -> GSI 16 (level, low) -> IRQ 16
Jan 11 02:06:39 moe kernel: [ 6578.403702] hda-intel: Invalid position
buffer, using LPIB read method instead.



After a reboot and trying to use the sound, I see these messages in
/var/log/messages:


Jan 11 02:16:20 moe kernel: [ 354.828388] ACPI: PCI Interrupt
0000:00:14.2[A] -> GSI 16 (level, low) -> IRQ 16
Jan 11 02:16:20 moe kernel: [ 354.858407] ACPI: PCI interrupt for
device 0000:00:14.2 disabled
Jan 11 02:16:29 moe kernel: [ 364.409661] ACPI: PCI Interrupt
0000:00:14.2[A] -> GSI 16 (level, low) -> IRQ 16
Jan 11 02:16:29 moe kernel: [ 364.437812] ACPI: PCI interrupt for
device 0000:00:14.2 disabled
Jan 11 02:17:12 moe kernel: [ 410.171457] ACPI: PCI Interrupt
0000:00:14.2[A] -> GSI 16 (level, low) -> IRQ 16
Jan 11 02:17:12 moe kernel: [ 410.203559] ACPI: PCI interrupt for
device 0000:00:14.2 disabled



So it would seem that my sound is not getting (for some strange reason)
an interrupt because it is disabled. Note, nothing was changed in the
BIOS during this reboot.


Thanks for any clues,
Mike



As a followup, I have apparently resolved the memory issue by adding
iommu=soft as a kernel boot parameter.


I have tried pci=noacpi as a kernel boot parameter.

Neither of these boot parameters, or any combination of them resolved
the original sound issue. I have filed a bug report:


http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=511658

Thanks,
Mike


--

shred -uzf /bin/laden
18:40:01 up 7:11, 1 user, load average: 0.21, 0.15, 0.05

Linux Registered User #241685 http://counter.li.org


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