Latest kernel kills my sound

[sirius56]

I am moving my post from another forum because I couldn't find a solution there.

I have an Intel motherboard D102GGC2 with onboard ATI SB450 HDA Audio. This normally uses PCM ALC 833 Analog audio.

When I boot with 2.6.19-1.2911.6.5.fc6, Soundcard Detection shows ATI SB450 is there, but the PCM is blank and there is no sound.

When I revert to 2.6.18-1.2798.fc6, I see PCM Device = ALC 833 Analog and sound is perfect.

Something in 2.6.19 deletes my PCM device resulting in no audio.

I submitted this problem as Bugzilla #231749 but don't expect to hear from that group for a while.

Here is supporting information from Soundcard Detection:
ALSA driver v. 1.0.13
alsa-lib-1.0.13-1.fc6
alsa-util-1.0.13-1.fc6


This is the most serious problem I've had with Linux in two years. Please help me.

[halfabean]

I have experienced the exact same problem. Intel D101G motherboard. I've scoured the internet and pulled most of my hair out by now, any leads would be super.

[chicken078]

I too am having the sound problem with the last 2 kernels (2.6.19-1.2911.6.5.fc6 and 2.6.20-1.2925.fc6). I don't have any sound device after booting (/dev/dsp).

It used to work in 2.6.19-1.2911.6.4.fc6. But I could not see any difference in the kernel configs between that kernel and 2.6.19-1.2911.6.5 kernel. Any idea how to fix this issue?

I have the same ATI SB450 card (module "snd-hda-intel"):
00:14.2 Audio device: ATI Technologies Inc SB450 HDA Audio (rev 01)
Subsystem: Intel Corporation Unknown device d601
Flags: slow devsel, IRQ 16
Memory at 60200000 (64-bit, non-prefetchable) [size=16K]

I see that the module is loaded:

/sbin/lsmod | grep snd:

snd_hda_intel 24025 0
snd_hda_codec 156353 1 snd_hda_intel
snd_seq_dummy 7877 0
snd_seq_oss 33601 0
snd_seq_midi_event 11201 1 snd_seq_oss
snd_seq 51249 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi_event
snd_seq_device 11853 3 snd_seq_dummy,snd_seq_oss,snd_seq
snd_pcm_oss 43617 0
snd_mixer_oss 19393 1 snd_pcm_oss
snd_pcm 75205 3 snd_hda_intel,snd_hda_codec,snd_pcm_oss
snd_timer 25157 2 snd_seq,snd_pcm
snd 53829 9 snd_hda_intel,snd_hda_codec,snd_seq_oss,snd_seq,sn d_seq_device,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd _timer
soundcore 11681 1 snd
snd_page_alloc 13769 2 snd_hda_intel,snd_pcm


But I see this message in dmesg:
hda-intel: no codecs initialized

[sirius56]

Please see Bugzilla #231414.
Thank you.

[Wayne]

I have sound but I had to unplug my web camera before boot otherwise I'd only have a microphone in the Gnome mixer and therefore no sound. Fedora kernels seem to be getting worse with every release!

Wayne

[sirius56]

rondonjin, Yes, you would expect that kernels would only get better in time.

I haven't tried it yet, but there is a boot parameter, pnpbios=off , which would turn off bios probing for pnp devices. That would leave configuration of the pnp devices to the kernel.

Meanwhile, I am hoping that Bugzilla #231414 gets some attention.

Thank you.

[zenkoh]

Hi there,

I'll like to confirm that updating to kernel 2.6.20-1.2925.fc6 killed my sound system too. I had to remove it and revert back to 2.6.18-1.2798.fc6 for the sound to return. Btw, I'm using a Powerbook so I'm using the PPC version of the kernel.

The command to remove should be:
yum remove kernel-2.6.20-1.2925.fc6
in the terminal.

[sirius56]

zenkoh, 2.6.18 sound works. 2.6.19 and 2.6.20 do not seem to work. Something got changed.

Please register your experiences with bugzilla #231414 at bugzilla.redhat.com

Thank you.

[marko]

2.6.20-1.2925.fc6 works fine with sound here
Abit AN8 Ultra motherboard and FC6 but I have to admit I've
been booting without my webcam plugged in. I have one
with a microphone and I think there were times in the
past where fedora would detect the microphone and
then quit loading audio modules (snd_intel8x0) because it was
happy at finding that usb microphone. If you don't use the
webcam mic, maybe you can put in your modprobe.conf file:

alias usb-audio-mic off

or whatever lsmod shows is the name for the usb audio module

while making sure your desired modules are loaded (mine are):

alias snd-card-0 snd-intel8x0
options snd-card-0 index=0
options snd-intel8x0 index=0


mark

[sirius56]

marko, Thank you. I will try that.

Please report your comments to bugzilla.redhat.com bug #231414.

It's hard to understand why this bug persisted through 2.6.19 and 2.6.20.

[Narcissus]

Have the same problems on Samsung R40 laptop

00:14.2 Audio device: ATI Technologies Inc SB450 HDA Audio (rev 01)
Subsystem: Samsung Electronics Co Ltd Unknown device c02b
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=slow >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 64, Cache Line Size: 32 bytes
Interrupt: pin ? routed to IRQ 17
Region 0: Memory at d0400000 (64-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Same kernels (2.6.19.5 & 2.6.20)


Maybe try 2.6.20 kernel from kernel.org? Or just rebuild fedora kernel from source?

p.s. in 2.6.19.4 it was OK with ALC262 codec ... Now i see only Modem in pcm devices list

has anyone tried to install alsa 1.0.14rc3?

[Narcissus]

I think we need to create bug post for 2.6.20 on bugzilla

[marko]

sirius56
I'm not that confident that my post #9 is a fix, did it work when you tried it?

[sirius56]

marko, no luck here, but thank you for helping.

Evidently, the problem is widespread because I've seen the problem posted in other forums and Intel boards are common.

I hope that anyone who experiences the problem in 2.6.19 or 2.6.20 reports it to bugzilla.redhat.com bug #231414.

[chicken078]

As suggested on the bugzilla site (bugzilla.redhat.com bug #231414), I downloaded the kernel from http://people.redhat.com/cebbert/kernels/ and my sound is back!

I see a new kernel update in testing. So, an official update is going to be released soon if you want to wait.

[sdowney717]

I have a built in Intel sound card and running FC7 test2 with great sound all the time.

BUT I had terrible trouble with FC6 and sound not working. Half the time worked, half the time did not work. It was so bad, I simply abandoned FC6 and went to FC7 in desperation.

[halfabean]

As suggested on the bugzilla site (bugzilla.redhat.com bug #231414), I downloaded the kernel from http://people.redhat.com/cebbert/kernels/ and my sound is back!

I see a new kernel update in testing. So, an official update is going to be released soon if you want to wait.
I also tried this, updated to kernel 2.6.20-1.2932.fc6 and my sound is also back. Thanks!

[sandeepdas87]

i have installed fedora 5 in my system with motherboard intel D102GGC2 in text mode and went to graphical mode doing some changes in the file /etc/X11/xorg.conf.i changed my device driver from radean to vesa......

my soundcard is detected but no sound is coming when i am playing the test sound....
may i know how to solve this problem....

system specification
dual core 2.66
intel d102ggc2
160gd hard disk(hda)
512 ram.....
sony dvd drive

[Wayne]

i have installed fedora 5 in my system with motherboard intel D102GGC2 in text mode and went to graphical mode doing some changes in the file /etc/X11/xorg.conf.i changed my device driver from radean to vesa......

my soundcard is detected but no sound is coming when i am playing the test sound....
may i know how to solve this problem....

system specification
dual core 2.66
intel d102ggc2
160gd hard disk(hda)
512 ram.....
sony dvd drive

First. Welcome to the forum.

Second. Your problem has nothing to do with this thread, so you should have started a new one.

Third. FC5 is way out of date. Current version is Fedora 7 and Fedora 8 will be released in a couple of days. FC6 will also be EOL in about a month, so I suggest you either download and install F7 or wait till F8 is released.

If you want to keep FC5 then I suggest you start a new thread.

Wayne

[webwzrd]

I have sound but I had to unplug my web camera before boot otherwise I'd only have a microphone in the Gnome mixer and therefore no sound. Fedora kernels seem to be getting worse with every release!

Wayne

Good tip... I had no sound until I unplugged the non-working webcam.

Thanks