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Old 01-07-2010, 04:42 PM
"Nathanael D. Noblet"
 
Default Pulseaudio update issue...

Hello,

First off, not trying to bash or otherwise start a war about pulseaudio.

Just checking if anyone else is experiencing issues with the latest
F12 update (0.9.21-2) of pulseaudio?


For me changing between tracks in rhythmbox include a sound 'pop' at
the same time as the volume goes up/down. Also when doing tab completion
in gnome-terminal the music playing nearly pauses for the tab 'ding'
sound. I have reverted to the original version (0.9.19-2) and it seems
to work, however the volume control applet can't start as it is looking
for newer pulseaudio libs, even though I reverted it...


I've looked through the bugs already on bugzilla but I'm not sure if its
been posted yet or not...


Anyone having issues like that?

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Old 01-07-2010, 05:03 PM
"Nathanael D. Noblet"
 
Default Pulseaudio update issue...

So it seems it is related to thunderbird. I have the preference set to
play a sound when new mail arrives. After it has, sounds is messed up...
Bug with thunderbird I presume?


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Old 01-07-2010, 11:03 PM
Wes Hardaker
 
Default Pulseaudio update issue...

>>>>> On Thu, 07 Jan 2010 11:03:00 -0700, "Nathanael D. Noblet" <nathanael@gnat.ca> said:

NDN> So it seems it is related to thunderbird. I have the preference set to
NDN> play a sound when new mail arrives. After it has, sounds is messed
NDN> up... Bug with thunderbird I presume?

I don't think so. I think my current F12 has much much deeper issues.
They seem somewhat sound related and somewhat not. All my
sound-producing applications don't work any longer. Typically the first
sound works and everything after that freezes. But it's not just sound
applications that seem to be freezing. Many applications (firefox) seem
to randomly hang as well. Invariably when I check them with strace to
see what they're doing they're always hung on a futex() call.

Maybe they're all trying to pipe through pulseaudio and that's the root
cause. Considering how many flash applications thees days produce sound
it wouldn't surprise me that the root of my firefox problems are in fact
sound.

In the end though, pretty much nothing sound related is working for me.
I'm currently playing music on my phone instead because amarok and even
xmms are completely DOA for me right now.
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Old 01-09-2010, 01:21 PM
Richard Zidlicky
 
Default Pulseaudio update issue...

On Thu, Jan 07, 2010 at 04:03:16PM -0800, Wes Hardaker wrote:
> >>>>> On Thu, 07 Jan 2010 11:03:00 -0700, "Nathanael D. Noblet" <nathanael@gnat.ca> said:
>
> NDN> So it seems it is related to thunderbird. I have the preference set to
> NDN> play a sound when new mail arrives. After it has, sounds is messed
> NDN> up... Bug with thunderbird I presume?

there is a known kernel bug where PA hangs with a kernel lock issue, can you see
if that is what is hapenning?

http://lkml.indiana.edu/hypermail/linux/kernel/0912.0/02272.html

In my case I am finding it can have very funny effects, like compiz segfaulting.

Richard

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Old 01-11-2010, 11:10 PM
Wes Hardaker
 
Default Pulseaudio update issue...

>>>>> On Sat, 9 Jan 2010 15:21:15 +0100, Richard Zidlicky <rz@linux-m68k.org> said:

>> >>>>> On Thu, 07 Jan 2010 11:03:00 -0700, "Nathanael D. Noblet" <nathanael@gnat.ca> said:
>>
NDN> So it seems it is related to thunderbird. I have the preference set to
NDN> play a sound when new mail arrives. After it has, sounds is messed
NDN> up... Bug with thunderbird I presume?

RZ> there is a known kernel bug where PA hangs with a kernel lock issue,
RZ> can you see if that is what is hapenning?

RZ> http://lkml.indiana.edu/hypermail/linux/kernel/0912.0/02272.html

Oddly, I just today had one of those "oh duh" moments. So when firefox
froze again I killed pulseaudio and sure enough firefox immediately came
back to me. Which means it was definitely tied to the sound.

I didn't see anything in that message, however, that lead me to any new
thoughts on what I should test. I don't have any kernel circular
looping reports like the one shown in the message above. Nor do I have
extra audio stuff plugged in at all.

RZ> In my case I am finding it can have very funny effects, like compiz
RZ> segfaulting.

Yeah, it's amazing how dependent we are on sound these days :-/

On my recently upgraded mythtv system I end up having to kill pulseaudio
before starting the mythfrontend as well.
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Old 01-12-2010, 07:29 AM
Richard Zidlicky
 
Default Pulseaudio update issue...

On Mon, Jan 11, 2010 at 04:10:54PM -0800, Wes Hardaker wrote:

> I didn't see anything in that message, however, that lead me to any new
> thoughts on what I should test. I don't have any kernel circular
> looping reports like the one shown in the message above.

this needs to be enabled at kernel compile time, not sure if it is done
in the stock kernel.. somewhere under kernel debugging.

Richard
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Old 01-12-2010, 08:07 AM
"Nicolas Mailhot"
 
Default Pulseaudio update issue...

Le Mar 12 janvier 2010 09:29, Richard Zidlicky a écrit :
>
> On Mon, Jan 11, 2010 at 04:10:54PM -0800, Wes Hardaker wrote:
>
>> I didn't see anything in that message, however, that lead me to any new
>> thoughts on what I should test. I don't have any kernel circular
>> looping reports like the one shown in the message above.
>
> this needs to be enabled at kernel compile time, not sure if it is done
> in the stock kernel.. somewhere under kernel debugging.

I had the warning for months (if not years) and reported it both in kernel.org
bugzilla and fedora pulseaudio bugzilla.

I've not seen any activity trying to fix this bug.

Is this a case were everyone is waiting for someone else to investigate ?

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Old 01-12-2010, 03:19 PM
Richard Zidlicky
 
Default Pulseaudio update issue...

On Tue, Jan 12, 2010 at 10:07:37AM +0100, Nicolas Mailhot wrote:
>
>
> Le Mar 12 janvier 2010 09:29, Richard Zidlicky a écrit :
> >
> > On Mon, Jan 11, 2010 at 04:10:54PM -0800, Wes Hardaker wrote:
> >
> >> I didn't see anything in that message, however, that lead me to any new
> >> thoughts on what I should test. I don't have any kernel circular
> >> looping reports like the one shown in the message above.
> >
> > this needs to be enabled at kernel compile time, not sure if it is done
> > in the stock kernel.. somewhere under kernel debugging.
>
> I had the warning for months (if not years) and reported it both in kernel.org
> bugzilla and fedora pulseaudio bugzilla.
>
> I've not seen any activity trying to fix this bug.
>
> Is this a case were everyone is waiting for someone else to investigate ?

it seems even investigated to some degree, just not taken very seriously.

http://lkml.org/lkml/2009/12/7/524
http://lkml.org/lkml/2009/12/8/124

But maybe it is more serious than that? My suspicion is that it crashed compiz
and hanged a few other apps, can anyone else confirm that such things are directly
related to this bug?

Richard
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Old 01-14-2010, 07:49 PM
Lennart Poettering
 
Default Pulseaudio update issue...

On Thu, 07.01.10 10:42, Nathanael D. Noblet (nathanael@gnat.ca) wrote:

> Hello,
>
> First off, not trying to bash or otherwise start a war about pulseaudio.
>
> Just checking if anyone else is experiencing issues with the
> latest F12 update (0.9.21-2) of pulseaudio?
>
> For me changing between tracks in rhythmbox include a sound 'pop'
> at the same time as the volume goes up/down. Also when doing tab
> completion in gnome-terminal the music playing nearly pauses for the
> tab 'ding' sound. I have reverted to the original version (0.9.19-2)
> and it seems to work, however the volume control applet can't start
> as it is looking for newer pulseaudio libs, even though I reverted
> it...

Most likely the dB information exposed by your driver is simply
incorrect. When PA plays two streams with different volumes it will
configure the hw volume to the louder stream and then digitally
attenuate the other one. That way we should make the best of the
capabilities of your hw.

However, if the sound card's mixer elements carry incorrect dB
information PA will attenuate the other stream by the wrong level, and
that's probably why your music changes the volume when that ding
stream is played.

PA is the first real user of the dB information provided by the
driver. Naturally that means that due to lack of testing for some
drivers the dB information is hence not reliable. Yours seems to be
one of those cases.

You can fix this issue by disabling flat-volumes by setting
flat-volumes=no in daemon.conf. Ideally however those drivers should
get fixed.

Lennart

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Old 01-14-2010, 07:58 PM
"Nathanael D. Noblet"
 
Default Pulseaudio update issue...

On 01/14/2010 01:49 PM, Lennart Poettering wrote:
> On Thu, 07.01.10 10:42, Nathanael D. Noblet (nathanael@gnat.ca) wrote:
>
>> Hello,
>>
>> First off, not trying to bash or otherwise start a war about pulseaudio.
>>
>> Just checking if anyone else is experiencing issues with the
>> latest F12 update (0.9.21-2) of pulseaudio?
>>
>> For me changing between tracks in rhythmbox include a sound 'pop'
>> at the same time as the volume goes up/down. Also when doing tab
>> completion in gnome-terminal the music playing nearly pauses for the
>> tab 'ding' sound. I have reverted to the original version (0.9.19-2)
>> and it seems to work, however the volume control applet can't start
>> as it is looking for newer pulseaudio libs, even though I reverted
>> it...
>
> Most likely the dB information exposed by your driver is simply
> incorrect. When PA plays two streams with different volumes it will
> configure the hw volume to the louder stream and then digitally
> attenuate the other one. That way we should make the best of the
> capabilities of your hw.
>
> However, if the sound card's mixer elements carry incorrect dB
> information PA will attenuate the other stream by the wrong level, and
> that's probably why your music changes the volume when that ding
> stream is played.
>
> PA is the first real user of the dB information provided by the
> driver. Naturally that means that due to lack of testing for some
> drivers the dB information is hence not reliable. Yours seems to be
> one of those cases.
>
> You can fix this issue by disabling flat-volumes by setting
> flat-volumes=no in daemon.conf. Ideally however those drivers should
> get fixed.

The issue is that this *only* started to happen with the latest release
of pulseaudio for F12. The packages that came with F12 on the DVD don't
have this issue. It also isn't necessarily when playing two streams.

When I advance to the next song in rhythmbox I get odd sound behaviour,
*after* I've received mail, *if* thunderbird is configured to play an
audio alert. It has been configured this way since F11, and has had no
issues until like I said the latest update. Because it only happens
after TB playing an audio notification, but thereafter until I logout
and back in. I feel like something has changed, but no idea where the
issue is.
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