Re: [LAU] Round 3: [was Re: Report: Pulse Audio vs Jack on Fedora 11]

From: Patrick Shirkey <pshirkey@email-addr-hidden>
Date: Tue Aug 11 2009 - 06:19:52 EEST

On 08/11/2009 09:56 AM, Fernando Lopez-Lezcano wrote:
> On Thu, 2009-08-06 at 16:39 +0700, Patrick Shirkey wrote:
>
>> This time I take an alternate route. Lets see if I can start jack even
>> without PA.
>>
>> 1: pasuspender qjackctl
>> 2: Press "start" on the qjackctl ui.
>>
>> 3: Success.
>>
>> However, now my system is back to 2005 control status.
>>
>
> I have used this script (which I wrote), it is a little better:
> http://linuxaudio.org/mailarchive/lad/2009/7/14/156775
>
> (this one kept the attachment:
> http://lalists.stanford.edu/lad/2009/07/0079.html)
>
> On that script you can enable autoloading the jack pa plugin, but it
> does not move running streams there.
>
>

Thanks I did miss that when you posted. It looks very useful. I'll try
it out asap.

Cheers.

Patrick Shirkey
Boost Hardware Ltd

> -- Fernando
>
>
>
>> This might be fine for some users but not for me as now I can't use
>> skype and any apps that are not jack aware without running the
>> oss->jack or alsa->jack wrappers.
>>
>> Still, if the startup command for the qjackctl icon in the
>> "Applications->Sound& Video" menu had "pasuspender" infront of it out
>> of the box I would probably be happy as a normal user until I had to
>> get access to skype or some other non jack aware app. A relatively
>> small price to pay.
>>
>> System load is stable at less than 10%. No sign of hald or dbus
>> implementation bugs here.
>>
>> Winner Jack. Pulse audio gets high points for allowing Jack to take
>> control of the system.
>>
>> Ding, Ding, Ding. Prepare for round 4.
>>
>>
>>
>>
>>
>> Patrick Shirkey
>> Boost Hardware Ltd
>>
>> On 08/06/2009 03:52 PM, Patrick Shirkey wrote:
>>
>>> Round two.
>>>
>>> I decide to restart pulse audio pulseaudio - D
>>>
>>> Now I get a kernel oops.
>>>
>>> Time to reboot.
>>>
>>>
>>>
>>> Kernel failure message 1:
>>> ------------[ cut here ]------------
>>> WARNING: at sound/core/pcm_lib.c:1525 snd_pcm_period_elapsed+0x4f/0x2a8
>>> [snd_pcm]() (Tainted: P W )
>>> Hardware name: Compaq Presario CQ40 Notebook PC
>>> BUG? (!(substream) || !(substream)->runtime)
>>> Modules linked in: vmnet ppdev parport_pc parport vsock vmci vmmon
>>> snd_dummy michael_mic arc4 ecb wl(P) lib80211_crypt_tkip lib80211 vfat
>>> fat usb_storage fuse rfcomm sco bridge stp llc bnep l2cap sunrpc
>>> cpufreq_ondemand powernow_k8 freq_table dm_multipath uinput
>>> snd_hda_codec_atihdmi snd_hda_codec_idt snd_hda_intel snd_hda_codec
>>> ata_generic pata_acpi btusb uvcvideo snd_hwdep snd_pcm videodev joydev
>>> v4l1_compat bluetooth v4l2_compat_ioctl32 snd_timer jmb38x_ms snd pcspkr
>>> pata_atiixp soundcore r8169 snd_page_alloc i2c_piix4 video memstick
>>> sdhci_pci sdhci mii mmc_core output wmi radeon drm i2c_algo_bit i2c_core
>>> [last unloaded: vmnet]
>>> Pid: 0, comm: swapper Tainted: P W 2.6.29.6-213.fc11.x86_64 #1
>>> Call Trace:
>>> <IRQ> [<ffffffff8104883f>] warn_slowpath+0xbc/0xf0
>>> [<ffffffff8104058f>] ? default_wake_function+0x12/0x14
>>> [<ffffffff8105c8ed>] ? autoremove_wake_function+0x16/0x39
>>> [<ffffffff81029f7f>] ? default_spin_lock_flags+0x9/0xe
>>> [<ffffffff813ac07c>] ? _spin_lock_irqsave+0x32/0x3b
>>> [<ffffffffa017bc17>] snd_pcm_period_elapsed+0x4f/0x2a8 [snd_pcm]
>>> [<ffffffffa03e92ad>] ? snd_card_dummy_pcm_timer_function+0x0/0x96
>>> [snd_dummy]
>>> [<ffffffffa03e9332>] snd_card_dummy_pcm_timer_function+0x85/0x96
>>> [snd_dummy]
>>> [<ffffffff81051e67>] run_timer_softirq+0x19e/0x224
>>> [<ffffffff81063094>] ? getnstimeofday+0x5f/0xb3
>>> [<ffffffff8104df6f>] __do_softirq+0x94/0x155
>>> [<ffffffff8101274c>] call_softirq+0x1c/0x30
>>> [<ffffffff810138ce>] do_softirq+0x52/0xb9
>>> [<ffffffff8104db92>] irq_exit+0x53/0x90
>>> [<ffffffff81022464>] smp_apic_timer_interrupt+0x8e/0xa7
>>> [<ffffffff81012123>] apic_timer_interrupt+0x13/0x20
>>> <EOI> [<ffffffff81029424>] ? native_safe_halt+0xb/0xd
>>> [<ffffffff81017d30>] ? default_idle+0x51/0x7c
>>> [<ffffffff81017e92>] ? c1e_idle+0x124/0x12b
>>> [<ffffffff810102a1>] ? cpu_idle+0x68/0xb3
>>> [<ffffffff813a5f21>] ? start_secondary+0x199/0x19e
>>> ---[ end trace 402b79ba4387e7da ]---
>>>
>>>
>>> Kernel failure message 2:
>>> WARNING: at sound/core/pcm_lib.c:1525 snd_pcm_period_elapsed+0x4f/0x2a8
>>> [snd_pcm]() (Tainted: P W )
>>> Hardware name: Compaq Presario CQ40 Notebook PC
>>> BUG? (!(substream) || !(substream)->runtime)
>>> Modules linked in: vmnet ppdev parport_pc parport vsock vmci vmmon
>>> snd_dummy michael_mic arc4 ecb wl(P) lib80211_crypt_tkip lib80211 vfat
>>> fat usb_storage fuse rfcomm sco bridge stp llc bnep l2cap sunrpc
>>> cpufreq_ondemand powernow_k8 freq_table dm_multipath uinput
>>> snd_hda_codec_atihdmi snd_hda_codec_idt snd_hda_intel snd_hda_codec
>>> ata_generic pata_acpi btusb uvcvideo snd_hwdep snd_pcm videodev joydev
>>> v4l1_compat bluetooth v4l2_compat_ioctl32 snd_timer jmb38x_ms snd pcspkr
>>> pata_atiixp soundcore r8169 snd_page_alloc i2c_piix4 video memstick
>>> sdhci_pci sdhci mii mmc_core output wmi radeon drm i2c_algo_bit i2c_core
>>> [last unloaded: vmnet]
>>> Pid: 30047, comm: firefox Tainted: P W 2.6.29.6-213.fc11.x86_64 #1
>>> Call Trace:
>>> <IRQ> [<ffffffff8104883f>] warn_slowpath+0xbc/0xf0
>>> [<ffffffff8104058f>] ? default_wake_function+0x12/0x14
>>> [<ffffffff81029f7f>] ? default_spin_lock_flags+0x9/0xe
>>> [<ffffffff813ac07c>] ? _spin_lock_irqsave+0x32/0x3b
>>> [<ffffffffa017bc17>] snd_pcm_period_elapsed+0x4f/0x2a8 [snd_pcm]
>>> [<ffffffffa03e92ad>] ? snd_card_dummy_pcm_timer_function+0x0/0x96
>>> [snd_dummy]
>>> [<ffffffffa03e9332>] snd_card_dummy_pcm_timer_function+0x85/0x96
>>> [snd_dummy]
>>> [<ffffffff81051e67>] run_timer_softirq+0x19e/0x224
>>> [<ffffffff81063094>] ? getnstimeofday+0x5f/0xb3
>>> [<ffffffff8104df6f>] __do_softirq+0x94/0x155
>>> [<ffffffff8101274c>] call_softirq+0x1c/0x30
>>> [<ffffffff810138ce>] do_softirq+0x52/0xb9
>>> [<ffffffff8104db92>] irq_exit+0x53/0x90
>>> [<ffffffff81022464>] smp_apic_timer_interrupt+0x8e/0xa7
>>> [<ffffffff81012123>] apic_timer_interrupt+0x13/0x20
>>> <EOI> <4>---[ end trace 402b79ba4387e7d9 ]---
>>>
>>>
>>> Kernel failure message 3:
>>> ------------[ cut here ]------------
>>> WARNING: at sound/core/pcm_lib.c:1525 snd_pcm_period_elapsed+0x4f/0x2a8
>>> [snd_pcm]() (Tainted: P W )
>>> Hardware name: Compaq Presario CQ40 Notebook PC
>>> BUG? (!(substream) || !(substream)->runtime)
>>> Modules linked in: vmnet ppdev parport_pc parport vsock vmci vmmon
>>> snd_dummy michael_mic arc4 ecb wl(P) lib80211_crypt_tkip lib80211 vfat
>>> fat usb_storage fuse rfcomm sco bridge stp llc bnep l2cap sunrpc
>>> cpufreq_ondemand powernow_k8 freq_table dm_multipath uinput
>>> snd_hda_codec_atihdmi snd_hda_codec_idt snd_hda_intel snd_hda_codec
>>> ata_generic pata_acpi btusb uvcvideo snd_hwdep snd_pcm videodev joydev
>>> v4l1_compat bluetooth v4l2_compat_ioctl32 snd_timer jmb38x_ms snd pcspkr
>>> pata_atiixp soundcore r8169 snd_page_alloc i2c_piix4 video memstick
>>> sdhci_pci sdhci mii mmc_core output wmi radeon drm i2c_algo_bit i2c_core
>>> [last unloaded: vmnet]
>>> Pid: 0, comm: swapper Tainted: P W 2.6.29.6-213.fc11.x86_64 #1
>>> Call Trace:
>>> <IRQ> [<ffffffff8104883f>] warn_slowpath+0xbc/0xf0
>>> [<ffffffff8104058f>] ? default_wake_function+0x12/0x14
>>> [<ffffffff8105c8ed>] ? autoremove_wake_function+0x16/0x39
>>> [<ffffffff81029f7f>] ? default_spin_lock_flags+0x9/0xe
>>> [<ffffffff813ac07c>] ? _spin_lock_irqsave+0x32/0x3b
>>> [<ffffffffa017bc17>] snd_pcm_period_elapsed+0x4f/0x2a8 [snd_pcm]
>>> [<ffffffffa03e92ad>] ? snd_card_dummy_pcm_timer_function+0x0/0x96
>>> [snd_dummy]
>>> [<ffffffffa03e9332>] snd_card_dummy_pcm_timer_function+0x85/0x96
>>> [snd_dummy]
>>> [<ffffffff81051e67>] run_timer_softirq+0x19e/0x224
>>> [<ffffffff81063094>] ? getnstimeofday+0x5f/0xb3
>>> [<ffffffff8104df6f>] __do_softirq+0x94/0x155
>>> [<ffffffff8101274c>] call_softirq+0x1c/0x30
>>> [<ffffffff810138ce>] do_softirq+0x52/0xb9
>>> [<ffffffff8104db92>] irq_exit+0x53/0x90
>>> [<ffffffff81022464>] smp_apic_timer_interrupt+0x8e/0xa7
>>> [<ffffffff81012123>] apic_timer_interrupt+0x13/0x20
>>> <EOI> [<ffffffff81029424>] ? native_safe_halt+0xb/0xd
>>> [<ffffffff81017d30>] ? default_idle+0x51/0x7c
>>> [<ffffffff81017e92>] ? c1e_idle+0x124/0x12b
>>> [<ffffffff810102a1>] ? cpu_idle+0x68/0xb3
>>> [<ffffffff813a5f21>] ? start_secondary+0x199/0x19e
>>> ---[ end trace 402b79ba4387e7bd ]---
>>>
>>> Patrick Shirkey
>>> Boost Hardware Ltd
>>>
>>>
>>> On 08/06/2009 03:16 PM, Patrick Shirkey wrote:
>>>
>>>
>>>> Hi,
>>>>
>>>> I finally got some time to test out the latest version of Fedora 11 for
>>>> pulse and jack interaction.
>>>>
>>>> I have been wanting to do this for a few weeks as I was told by Lennart
>>>> Pottering that the latest version of pulse-audio has advanced support
>>>> for jack when running with jack2 which has logic for signalling to pulse
>>>> audio that jack is going to start running which makes pulse audio give
>>>> up control of the audio device, wait for jack to start and then
>>>> optionally reconnect to jack. The latter requiring some advanced
>>>> knowledge on connecting pulse audios sinks/sources.
>>>>
>>>> The reason I had to use Fedora 11 and not Fedora 10 is because the
>>>> latest updates to pulse audio cannot be compiled on Fedora 10 due to
>>>> dependencies being out of date. I decided it was easier to update to
>>>> Fedora 11 than compile the entire system myself.
>>>>
>>>> So, I have a working Fedora 11 running nice and stable for several weeks
>>>> now.
>>>>
>>>> My goal is to test out the new logic in jack2 and pulseaudio as a normal
>>>> non technical user would experience things. I know how to make it work
>>>> the hard way but it would be nice for non technical users if someone
>>>> with the knowledge tested at their level and found any bugs that might
>>>> be affecting the user experience.
>>>>
>>>> Pulse is running nicely in the background. I have been using skype for
>>>> the past week to do business calls.
>>>>
>>>> I start jack and jack can't connect to the default audio device. I turn
>>>> off skype. Still can't connect. I kill pulseaudio with pulseaudio - k.
>>>> Still can't connect. I check gnome-volume-control to see if any apps
>>>> are running that I forgot about. Nothing is running. I turn off
>>>> alsamixer and the gnome volume control applet in case they are hogging
>>>> the device for some unknown reason.
>>>>
>>>> I double check that pulse audio is not running by scanning the output of
>>>> ps. I kill it again as root user just to make sure. Both items come up
>>>> with no mention of pulse audio running.
>>>>
>>>> FYI, the version of jack installed from the default Fedora repos is
>>>> 0.116.1. That means it's jack1 not jack2. So no matter what the latest
>>>> hooks for working with pulse audio and jack are not in place on the jack
>>>> side anyway.
>>>>
>>>> But this doesn't matter as I don't have any audio processes running but
>>>> jackd still can't get access to the default device.
>>>>
>>>> My experience leaves a lot to be desired considering that Fedora 11 is
>>>> the latest and greatest version with advanced system config from Lennart
>>>> himself and I still can't do something as simple as start jackd.
>>>>
>>>> I'm not pointing any fingers. But I would like to get to the bottom of
>>>> this usability issue we currently have between pulse audio and jack.
>>>>
>>>>
>>>>
>>>>
>>>> Cheers.
>>>>
>
>
>

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Received on Tue Aug 11 08:15:01 2009

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