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Old 07-18-2010, 02:19 AM
Rob Kampen
 
Default Audio fails on centos 5.5 sony laptop - snd-hda-intel

Hi List, been chasing my tail for the last two hours and getting nowhere
on my wifes laptop.
I only do updates monthly on her machine, as it is safely behind
firewalls and only does email and browser stuff.
I have never had audio problems on this laptop, Centos just worked from
day one - even the wireless.


It appears that the 5.5 kernels and related audio driver snd-hda-intel
do not function.

If I reboot into 2.6.18-164.15.1.el5.centos.plus all is well.
$ cat /proc/asound/cards
0 [Intel ]: HDA-Intel - HDA Intel
HDA Intel at 0x80000000 irq 169
1 [U0x46d0x804 ]: USB-Audio - USB Device 0x46d:0x804
USB Device 0x46d:0x804 at usb-0000:00:1d.7-3, high
speed


Neither 2.6.18-194.3.1.el5.centos.plus or 2.6.18-194.8.1.el5.centos.plus
have functioning sound.

on these kernels I get
$ cat /proc/asound/cards
0 [U0x46d0x804 ]: USB-Audio - USB Device 0x46d:0x804
USB Device 0x46d:0x804 at usb-0000:00:1d.7-3, high
speed


yet lsmod shows
<snip>
snd_hda_intel 472337 0
snd_seq_dummy 7877 0
snd_seq_oss 32577 0
snd_seq_midi_event 11073 1 snd_seq_oss
snd_seq 49585 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi_event
snd_pcm_oss 42817 0
snd_usb_audio 77761 2
snd_mixer_oss 19009 1 snd_pcm_oss
snd_pcm 72133 3 snd_hda_intel,snd_pcm_oss,snd_usb_audio
snd_usb_lib 19137 1 snd_usb_audio
snd_rawmidi 26561 1 snd_usb_lib
snd_timer 24517 2 snd_seq,snd_pcm
snd_page_alloc 14281 2 snd_hda_intel,snd_pcm
snd_seq_device 11725 4
snd_seq_dummy,snd_seq_oss,snd_seq,snd_rawmidi

snd_hwdep 12869 2 snd_hda_intel,snd_usb_audio
snd 55749 15
snd_hda_intel,snd_seq_oss,snd_seq,snd_pcm_oss,snd_ usb_audio,snd_mixer_oss,snd_pcm,snd_rawmidi,snd_ti mer,snd_seq_device,snd_hwdep

soundcore 11553 1 snd

So I remembered the bug rh introduced with the 194 kernels and nvidia
chipsets (not my case but I'm desperate) and added the enable_msi=0 so
that my modprobe.conf is now

<snip>
options snd cards_limit=8
alias snd-card-0 snd-hda-intel
options snd-hda-intel index=0 enable_msi=0

but it still will not work.
<rant>
I am getting frustrated at the retrograde steps that seem to be hitting
kernel and 5.x upgrades lately.
yum update used to just work, get me the latest patches and all was well
- after all that is why I use Centos.

</rant>
I have tried modprobe -r to remove and reload module but to no avail.
Anyone have any ideas as to what I try next?
Google has not given me any ideas yet.
TIA

_______________________________________________
CentOS mailing list
CentOS@centos.org
http://lists.centos.org/mailman/listinfo/centos
 
Old 07-20-2010, 02:08 AM
Rob Kampen
 
Default Audio fails on centos 5.5 sony laptop - snd-hda-intel

Rob Kampen wrote:
Hi List, been chasing my tail for the last two hours and getting
nowhere on my wifes laptop.
I only do updates monthly on her machine, as it is safely behind
firewalls and only does email and browser stuff.
I have never had audio problems on this laptop, Centos just worked
from day one - even the wireless.


It appears that the 5.5 kernels and related audio driver snd-hda-intel
do not function.

If I reboot into 2.6.18-164.15.1.el5.centos.plus all is well.
$ cat /proc/asound/cards
0 [Intel ]: HDA-Intel - HDA Intel
HDA Intel at 0x80000000 irq 169
1 [U0x46d0x804 ]: USB-Audio - USB Device 0x46d:0x804
USB Device 0x46d:0x804 at usb-0000:00:1d.7-3,
high speed


Neither 2.6.18-194.3.1.el5.centos.plus or
2.6.18-194.8.1.el5.centos.plus have functioning sound.

on these kernels I get
$ cat /proc/asound/cards
0 [U0x46d0x804 ]: USB-Audio - USB Device 0x46d:0x804
USB Device 0x46d:0x804 at usb-0000:00:1d.7-3,
high speed


yet lsmod shows
<snip>
snd_hda_intel 472337 0
snd_seq_dummy 7877 0
snd_seq_oss 32577 0
snd_seq_midi_event 11073 1 snd_seq_oss
snd_seq 49585 5
snd_seq_dummy,snd_seq_oss,snd_seq_midi_event

snd_pcm_oss 42817 0
snd_usb_audio 77761 2
snd_mixer_oss 19009 1 snd_pcm_oss
snd_pcm 72133 3 snd_hda_intel,snd_pcm_oss,snd_usb_audio
snd_usb_lib 19137 1 snd_usb_audio
snd_rawmidi 26561 1 snd_usb_lib
snd_timer 24517 2 snd_seq,snd_pcm
snd_page_alloc 14281 2 snd_hda_intel,snd_pcm
snd_seq_device 11725 4
snd_seq_dummy,snd_seq_oss,snd_seq,snd_rawmidi

snd_hwdep 12869 2 snd_hda_intel,snd_usb_audio
snd 55749 15
snd_hda_intel,snd_seq_oss,snd_seq,snd_pcm_oss,snd_ usb_audio,snd_mixer_oss,snd_pcm,snd_rawmidi,snd_ti mer,snd_seq_device,snd_hwdep


soundcore 11553 1 snd

So I remembered the bug rh introduced with the 194 kernels and nvidia
chipsets (not my case but I'm desperate) and added the enable_msi=0 so
that my modprobe.conf is now

<snip>
options snd cards_limit=8
alias snd-card-0 snd-hda-intel
options snd-hda-intel index=0 enable_msi=0

but it still will not work.
<rant>
I am getting frustrated at the retrograde steps that seem to be
hitting kernel and 5.x upgrades lately.
yum update used to just work, get me the latest patches and all was
well - after all that is why I use Centos.

</rant>
I have tried modprobe -r to remove and reload module but to no avail.
Anyone have any ideas as to what I try next?
Google has not given me any ideas yet.
TIA

Still no joy - I am at a loss to know what to check - if I boot a 194
kernel no sound, 164 kernel is fine - why the regression?
Same configs, same modules loaded but now no sound - what can I check to
determine problem and find a solution?

no errors in logs or dmesg

_______________________________________________
CentOS mailing list
CentOS@centos.org
http://lists.centos.org/mailman/listinfo/centos



_______________________________________________
CentOS mailing list
CentOS@centos.org
http://lists.centos.org/mailman/listinfo/centos
 
Old 07-20-2010, 09:55 AM
Ned Slider
 
Default Audio fails on centos 5.5 sony laptop - snd-hda-intel

On 20/07/10 03:08, Rob Kampen wrote:

> Still no joy - I am at a loss to know what to check - if I boot a 194
> kernel no sound, 164 kernel is fine - why the regression?
> Same configs, same modules loaded but now no sound - what can I check to
> determine problem and find a solution?
> no errors in logs or dmesg

I would suggest you start checking back through the changelogs between
kernel-2.6.18-194.el5 and kernel-2.6.18-164.el5, find likely candidates
that may have caused your issue and then rebuild a testing kernel with
that patch reverted. If that testing kernel fixes your issue then you've
identified the issue and can file a bug report upstream.

To start you on your way, this patch looks like a likely candidate for
you to investigate further:

* Mon Dec 21 2009 Jarod Wilson <jarod@redhat.com> [2.6.18-183.el5]
- [sound] alsa hda driver update for rhel5.5 (Jaroslav Kysela) [525390]

_______________________________________________
CentOS mailing list
CentOS@centos.org
http://lists.centos.org/mailman/listinfo/centos
 
Old 07-20-2010, 03:48 PM
Akemi Yagi
 
Default Audio fails on centos 5.5 sony laptop - snd-hda-intel

On Tue, Jul 20, 2010 at 2:55 AM, Ned Slider <ned@unixmail.co.uk> wrote:
> On 20/07/10 03:08, Rob Kampen wrote:
>
>> Still no joy - I am at a loss to know what to check - if I boot a 194
>> kernel no sound, 164 kernel is fine - why the regression?
>> Same configs, same modules loaded but now no sound - what can I check to
>> determine problem and find a solution?
>> no errors in logs or dmesg
>
> I would suggest you start checking back through the changelogs between
> kernel-2.6.18-194.el5 and kernel-2.6.18-164.el5, find likely candidates
> that may have caused your issue and then rebuild a testing kernel with
> that patch reverted. If that testing kernel fixes your issue then you've
> identified the issue and can file a bug report upstream.
>
> To start you on your way, this patch looks like a likely candidate for
> you to investigate further:
>
> * Mon Dec 21 2009 Jarod Wilson <jarod@redhat.com> [2.6.18-183.el5]
> - [sound] alsa hda driver update for rhel5.5 (Jaroslav Kysela) [525390]

Rob,

I understand you have already tried a workaround reported in:

https://bugzilla.redhat.com/show_bug.cgi?id=586532

According to comment #10 in there, Gary Gatling built a test kernel
with the above alsa patch removed. You might want to try asking him
for the kernel he built if you do not feel like building it yourself.

Akemi
_______________________________________________
CentOS mailing list
CentOS@centos.org
http://lists.centos.org/mailman/listinfo/centos
 
Old 07-20-2010, 05:12 PM
Rob Kampen
 
Default Audio fails on centos 5.5 sony laptop - snd-hda-intel

Ned Slider wrote:

On 20/07/10 03:08, Rob Kampen wrote:



Still no joy - I am at a loss to know what to check - if I boot a 194
kernel no sound, 164 kernel is fine - why the regression?
Same configs, same modules loaded but now no sound - what can I check to
determine problem and find a solution?
no errors in logs or dmesg



I would suggest you start checking back through the changelogs between
kernel-2.6.18-194.el5 and kernel-2.6.18-164.el5, find likely candidates
that may have caused your issue and then rebuild a testing kernel with
that patch reverted. If that testing kernel fixes your issue then you've
identified the issue and can file a bug report upstream.

To start you on your way, this patch looks like a likely candidate for
you to investigate further:

* Mon Dec 21 2009 Jarod Wilson <jarod@redhat.com> [2.6.18-183.el5]
- [sound] alsa hda driver update for rhel5.5 (Jaroslav Kysela) [525390]



This does sound like a likely candidate - I'm not sure if I'm up to
rebuilding a kernel, particularly on a laptop, however all my other
desktops are x86_64 and I'm not sure if that creates more issues for
doing a kernel rpm rebuild or not?

I need to do some reading and learning first - any particular place or
howto that would help?

I've heard of mock and other rebuild environments but never taken the
plunge as I can normally wait for things to arrive in due course when
upstream decides its ready to support it e.g. firefox, openoffice
thunderbird etc. Or make use of Dags repo or elrepo.

However regression is not something I can live with and unfortunately
it seems to be becoming an issue.

Thanks for the suggestion, I may try the ordinary kernel first (i.e.
not centosplus kernel, just to be safe).




_______________________________________________
CentOS mailing list
CentOS@centos.org
http://lists.centos.org/mailman/listinfo/centos




_______________________________________________
CentOS mailing list
CentOS@centos.org
http://lists.centos.org/mailman/listinfo/centos
 
Old 07-20-2010, 05:16 PM
Rob Kampen
 
Default Audio fails on centos 5.5 sony laptop - snd-hda-intel

Akemi Yagi wrote:

On Tue, Jul 20, 2010 at 2:55 AM, Ned Slider <ned@unixmail.co.uk> wrote:


On 20/07/10 03:08, Rob Kampen wrote:



Still no joy - I am at a loss to know what to check - if I boot a 194
kernel no sound, 164 kernel is fine - why the regression?
Same configs, same modules loaded but now no sound - what can I check to
determine problem and find a solution?
no errors in logs or dmesg


I would suggest you start checking back through the changelogs between
kernel-2.6.18-194.el5 and kernel-2.6.18-164.el5, find likely candidates
that may have caused your issue and then rebuild a testing kernel with
that patch reverted. If that testing kernel fixes your issue then you've
identified the issue and can file a bug report upstream.

To start you on your way, this patch looks like a likely candidate for
you to investigate further:

* Mon Dec 21 2009 Jarod Wilson <jarod@redhat.com> [2.6.18-183.el5]
- [sound] alsa hda driver update for rhel5.5 (Jaroslav Kysela) [525390]



Rob,

I understand you have already tried a workaround reported in:

https://bugzilla.redhat.com/show_bug.cgi?id=586532


correct, I've had to use this on a number of nvidia based machines
already (unfortunately).

In this instance it was no help - not surprising as it is not an nvidia
controller but intel chipset albeit with an nvidia graphics chip.

Before I bother Gary I'll try to revert to a default centos kernel
rather than the centosplus kernel just to be sure.

Will keep you posted.



According to comment #10 in there, Gary Gatling built a test kernel
with the above alsa patch removed. You might want to try asking him
for the kernel he built if you do not feel like building it yourself.

Akemi
_______________________________________________
CentOS mailing list
CentOS@centos.org
http://lists.centos.org/mailman/listinfo/centos




_______________________________________________
CentOS mailing list
CentOS@centos.org
http://lists.centos.org/mailman/listinfo/centos
 
Old 07-21-2010, 10:20 PM
Rob Kampen
 
Default Audio fails on centos 5.5 sony laptop - snd-hda-intel

Rob Kampen wrote:


Akemi Yagi wrote:

On Tue, Jul 20, 2010 at 2:55 AM, Ned Slider <ned@unixmail.co.uk> wrote:


On 20/07/10 03:08, Rob Kampen wrote:



Still no joy - I am at a loss to know what to check - if I boot a 194
kernel no sound, 164 kernel is fine - why the regression?
Same configs, same modules loaded but now no sound - what can I check to
determine problem and find a solution?
no errors in logs or dmesg


I would suggest you start checking back through the changelogs between
kernel-2.6.18-194.el5 and kernel-2.6.18-164.el5, find likely candidates
that may have caused your issue and then rebuild a testing kernel with
that patch reverted. If that testing kernel fixes your issue then you've
identified the issue and can file a bug report upstream.

To start you on your way, this patch looks like a likely candidate for
you to investigate further:

* Mon Dec 21 2009 Jarod Wilson <jarod@redhat.com> [2.6.18-183.el5]
- [sound] alsa hda driver update for rhel5.5 (Jaroslav Kysela) [525390]



Rob,

I understand you have already tried a workaround reported in:

https://bugzilla.redhat.com/show_bug.cgi?id=586532


correct, I've had to use this on a number of nvidia based machines
already (unfortunately).

In this instance it was no help - not surprising as it is not an nvidia
controller but intel chipset albeit with an nvidia graphics chip.

Before I bother Gary I'll try to revert to a default centos kernel
rather than the centosplus kernel just to be sure.

Will keep you posted.


I have installed the standard Centos 2.6.18-194.8.1 .el5 kernel on the
sony laptop and this fares no better - still no HDA-Intel sound card
showing even though the driver is loaded.

On to plan B

I have started to setup an rpmbuild environment but need to read some
more instructions, as when I followed the wiki I got different results
- not sure if this is due to using the centosplus SRPM, as that is what
all my workstations use, or due to my error in following instructions.

When I tried the make oldconfig after copying the config file as
indicated I ended up having to respond to lots of option questions that
I have no idea about, thus I'm likely to select an option that causes
problems.

I thought make oldconfig was a process to dump out the current config
settings so they could be used as a template for the new
build......confused.

more reading coming my way.



According to comment #10 in there, Gary Gatling built a test kernel
with the above alsa patch removed. You might want to try asking him
for the kernel he built if you do not feel like building it yourself.

Akemi
_______________________________________________
CentOS mailing list
CentOS@centos.org
http://lists.centos.org/mailman/listinfo/centos




_______________________________________________
CentOS mailing list
CentOS@centos.org
http://lists.centos.org/mailman/listinfo/centos




_______________________________________________
CentOS mailing list
CentOS@centos.org
http://lists.centos.org/mailman/listinfo/centos
 
Old 07-21-2010, 11:33 PM
Akemi Yagi
 
Default Audio fails on centos 5.5 sony laptop - snd-hda-intel

On Wed, Jul 21, 2010 at 3:20 PM, Rob Kampen <rkampen@kampensonline.com> wrote:
> Rob Kampen wrote:

> I have started to setup an rpmbuild environment but need to read some more
> instructions, as when I followed the wiki I got different results - not sure
> if this is due to using the centosplus SRPM, as that is what all my
> workstations use, or due to my error in following instructions.
> When I tried the make oldconfig after copying the config file as indicated I
> ended up having to respond to lots of option questions that I have no idea
> about, thus I'm likely to select an option that causes problems.
> I thought make oldconfig was a process to dump out the current config
> settings so they could be used as a template for the new
> build......confused.

Because you are starting with a centosplus kernel and cplus kernels
are already customized, you do not have to go through the
customization part of the wiki instruction. In your case, all you
have to do it to remove one patch.

I see the patch to be removed is this one:

Patch24883: linux-2.6-sound-alsa-hda-driver-update-for-rhel5-5.patch

Therefore, look for the line:

%patch24883 -p1

and delete it (it is line 9753 in the current kernel). If you had
already modified the .spec file, I suggest you start fresh. The only
other change you would want to make is "buildid" to provide a unique
name for your new kernel.

Good luck!

Akemi
_______________________________________________
CentOS mailing list
CentOS@centos.org
http://lists.centos.org/mailman/listinfo/centos
 
Old 07-26-2010, 10:26 AM
James Pearson
 
Default Audio fails on centos 5.5 sony laptop - snd-hda-intel

Rob Kampen wrote:
> Still no joy - I am at a loss to know what to check - if I boot a 194
> kernel no sound, 164 kernel is fine - why the regression?
> Same configs, same modules loaded but now no sound - what can I check to
> determine problem and find a solution?
> no errors in logs or dmesg

Is there anything in /var/log/messages or dmesg about the soundcard
(with both the 164 and 194 kernels)?

James Pearson
_______________________________________________
CentOS mailing list
CentOS@centos.org
http://lists.centos.org/mailman/listinfo/centos
 
Old 07-26-2010, 11:38 AM
James Pearson
 
Default Audio fails on centos 5.5 sony laptop - snd-hda-intel

James Pearson wrote:
> Rob Kampen wrote:
>
>>Still no joy - I am at a loss to know what to check - if I boot a 194
>>kernel no sound, 164 kernel is fine - why the regression?
>>Same configs, same modules loaded but now no sound - what can I check to
>>determine problem and find a solution?
>>no errors in logs or dmesg
>
>
> Is there anything in /var/log/messages or dmesg about the soundcard
> (with both the 164 and 194 kernels)?

Sorry - I somehow failed to read the previous posts about this issue
being resolved - so ignore this ...

James Pearson
_______________________________________________
CentOS mailing list
CentOS@centos.org
http://lists.centos.org/mailman/listinfo/centos
 

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