Am 25.04.2013 13:27, schrieb Patrick Shirkey: > > On Thu, April 25, 2013 8:14 pm, Hartmut Noack wrote: >> Am 25.04.2013 09:56, schrieb Patrick Shirkey: >>> >>> On Thu, April 25, 2013 4:40 pm, Hartmut Noack wrote: >>>> Am 24.04.2013 17:15, schrieb Johannes Kroll: >>>>> On Wed, 24 Apr 2013 16:10:56 +0200 >>>>> Hartmut Noack <zettberlin@xxxxxxxxxxx> wrote: >>>>> >>>>>> Am 24.04.2013 15:51, schrieb Len Ovens: >>>>>>> >>>>>>> On Wed, April 24, 2013 6:26 am, Hartmut Noack wrote: >>>>>>>> Hello, >>>>>>>> >>>>>>>> I run KXStudio on Ubuntu 12.10 on a Lenovo Ideapad with a MAudio >>>>>>>> Mobile >>>>>>>> Pre USB1 interface. >>>>>>>> >>>>>>>> Normaly all this works near perfection but there is a problem >>>>>>>> starting >>>>>>>> Jack: >>>>>>>> >>>>>>> >>>>>>>> Tue Apr 23 09:58:52 2013: ERROR: cannot register object path >>>>>>>> "/org/freedesktop/ReserveDevice1/Audio2": A handler is already >>>>>>>> registered for /org/freedesktop/ReserveDevice1/Audio2 >>>>>>>> Tue Apr 23 09:58:52 2013: ERROR: Failed to acquire device name : >>>>>>>> Audio2 >>>>>>>> error : A handler is already registered for >>>>>>>> /org/freedesktop/ReserveDevice1/Audio2 >>>>>>> >>>>>>> Ok, so what application already has the audio port? Are you running >>>>>>> an >>>>>>> audio or video player? Have you been using a web browser that was >>>>>>> seeing a >>>>>>> video or just hit a page with video adds? >>>>>>> >>>>>>> To put it another way, does this problem show up right after a fresh >>>>>>> login? >>>>>> >>>>>> Exactly: after a fresh login. >>>>>> >>>>>>> or only after having used the system for a while. What does your >>>>>>> desktop use for most of it's non-jack audio output? >>>>>> >>>>>> Before I do anything else, I check if Jack is running. Browser, Skype >>>>>> and the like use Pulse Jack sink, so I let Cadence start pulse-jack >>>>>> after starting Jack. >>>>> >>>>> The command "lsof /dev/snd/pcm*" should show a list of commands which >>>>> are using any sound cards. Try it the next time the problem shows up. >>>> >>>> Right now I have go the situation: >>>> +++++++++++++++++++++++++++++++++++++++++++++++++++++++ >>>> >>>> zettberlin@zettberlin-Lenovo-U410:~$ lsof /dev/snd/pcm* >>>> zettberlin@zettberlin-Lenovo-U410:~$ cat /proc/asound/cards >>>> 0 [Loopback ]: Loopback - Loopback >>>> Loopback 1 >>>> 1 [PCH ]: HDA-Intel - HDA Intel PCH >>>> HDA Intel PCH at 0xeb610000 irq 46 >>>> 2 [MobilePre ]: USB-Audio - MobilePre >>>> M Audio MobilePre at usb-0000:00:14.0-2, full >>>> speed >>>> >>>> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ >>>> >>>> Thu Apr 25 08:29:57 2013: JACK server starting in realtime mode with >>>> priority 10 >>>> Thu Apr 25 08:29:57 2013: ERROR: cannot register object path >>>> "/org/freedesktop/ReserveDevice1/Audio2": A handler is already >>>> registered for /org/freedesktop/ReserveDevice1/Audio2 >>>> Thu Apr 25 08:29:57 2013: ERROR: Failed to acquire device name : Audio2 >>>> error : A handler is already registered for >>>> /org/freedesktop/ReserveDevice1/Audio2 >>>> Thu Apr 25 08:29:57 2013: ERROR: Audio device hw:MobilePre,0 cannot be >>>> acquired... >>>> Thu Apr 25 08:29:57 2013: ERROR: Cannot initialize driver >>>> Thu Apr 25 08:29:57 2013: ERROR: JackServer::Open failed with -1 >>>> Thu Apr 25 08:29:57 2013: ERROR: Failed to open server >>>> Thu Apr 25 08:30:04 2013: ------------------ >>>> Thu Apr 25 08:30:04 2013: Controller activated. Version 1.9.9.5 >>>> (unknown) built on Sat Dec 22 19:50:40 2012 >>>> Thu Apr 25 08:30:04 2013: Loading settings from >>>> "/home/zettberlin/.config/jack/conf.xml" using expat_2.1.0 ... >>>> Thu Apr 25 08:30:04 2013: setting parameter 'engine':'driver':'(null)' >>>> to value "alsa" >>>> Thu Apr 25 08:30:04 2013: setting parameter >>>> 'engine':'realtime':'(null)' >>>> to value "true" >>>> Thu Apr 25 08:30:04 2013: setting parameter 'engine':'verbose':'(null)' >>>> to value "false" >>>> Thu Apr 25 08:30:04 2013: setting parameter >>>> 'engine':'client-timeout':'(null)' to value "1000" >>>> Thu Apr 25 08:30:04 2013: setting parameter 'drivers':'alsa':'device' >>>> to >>>> value "hw:2" >>>> Thu Apr 25 08:30:04 2013: setting parameter 'drivers':'alsa':'capture' >>>> to value "hw:MobilePre,0" >>>> Thu Apr 25 08:30:04 2013: setting parameter 'drivers':'alsa':'playback' >>>> to value "hw:MobilePre,0" >>>> Thu Apr 25 08:30:04 2013: setting parameter 'drivers':'alsa':'rate' to >>>> value "48000" >>>> Thu Apr 25 08:30:04 2013: setting parameter 'drivers':'alsa':'period' >>>> to >>>> value "256" >>>> Thu Apr 25 08:30:04 2013: setting parameter 'drivers':'alsa':'nperiods' >>>> to value "3" >>>> Thu Apr 25 08:30:04 2013: setting parameter 'drivers':'alsa':'hwmon' to >>>> value "false" >>>> Thu Apr 25 08:30:04 2013: setting parameter 'drivers':'alsa':'hwmeter' >>>> to value "false" >>>> Thu Apr 25 08:30:04 2013: setting parameter 'drivers':'alsa':'duplex' >>>> to >>>> value "true" >>>> Thu Apr 25 08:30:04 2013: setting parameter 'drivers':'alsa':'softmode' >>>> to value "true" >>>> Thu Apr 25 08:30:04 2013: setting parameter 'drivers':'alsa':'monitor' >>>> to value "false" >>>> Thu Apr 25 08:30:04 2013: setting parameter 'drivers':'alsa':'dither' >>>> to >>>> value "n" >>>> Thu Apr 25 08:30:04 2013: setting parameter 'drivers':'alsa':'shorts' >>>> to >>>> value "true" >>>> Thu Apr 25 08:30:04 2013: setting parameter >>>> 'drivers':'alsa':'midi-driver' to value "seq" >>>> Thu Apr 25 08:30:04 2013: Listening for D-Bus messages >>>> Thu Apr 25 08:30:04 2013: Starting jack server... >>>> Thu Apr 25 08:30:04 2013: JACK server starting in realtime mode with >>>> priority 10 >>>> Thu Apr 25 08:30:05 2013: Acquired audio card Audio2 >>>> Thu Apr 25 08:30:05 2013: creating alsa driver ... >>>> hw:MobilePre,0|hw:MobilePre,0|256|3|48000|0|0|nomon|swmeter|soft-mode|16bit >>>> Thu Apr 25 08:30:05 2013: Using ALSA driver USB-Audio running on card 2 >>>> - M Audio MobilePre at usb-0000:00:14.0-2, full speed >>>> Thu Apr 25 08:30:05 2013: configuring for 48000Hz, period = 256 frames >>>> (5.3 ms), buffer = 3 periods >>>> Thu Apr 25 08:30:05 2013: ALSA: final selected sample format for >>>> capture: 16bit little-endian >>>> Thu Apr 25 08:30:05 2013: ALSA: use 3 periods for capture >>>> Thu Apr 25 08:30:05 2013: ERROR: ALSA: cannot set hardware parameters >>>> for capture >>>> Thu Apr 25 08:30:05 2013: ERROR: ALSA: cannot configure capture channel >>>> Thu Apr 25 08:30:05 2013: ERROR: Cannot initialize driver >>>> Thu Apr 25 08:30:05 2013: ERROR: JackServer::Open failed with -1 >>>> Thu Apr 25 08:30:05 2013: ERROR: Failed to open server >>>> ############################################################## >>>> Now I unplug the Mobile Pre.... >>>> Replug it >>>> And: >>>> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ >>>> >>>> Thu Apr 25 08:34:19 2013: ------------------ >>>> Thu Apr 25 08:34:19 2013: Controller activated. Version 1.9.9.5 >>>> (unknown) built on Sat Dec 22 19:50:40 2012 >>>> Thu Apr 25 08:34:20 2013: Loading settings from >>>> "/home/zettberlin/.config/jack/conf.xml" using expat_2.1.0 ... >>>> Thu Apr 25 08:34:20 2013: setting parameter 'engine':'driver':'(null)' >>>> to value "alsa" >>>> Thu Apr 25 08:34:20 2013: setting parameter >>>> 'engine':'realtime':'(null)' >>>> to value "true" >>>> Thu Apr 25 08:34:20 2013: setting parameter 'engine':'verbose':'(null)' >>>> to value "false" >>>> Thu Apr 25 08:34:20 2013: setting parameter >>>> 'engine':'client-timeout':'(null)' to value "1000" >>>> Thu Apr 25 08:34:20 2013: setting parameter 'drivers':'alsa':'device' >>>> to >>>> value "hw:2" >>>> Thu Apr 25 08:34:20 2013: setting parameter 'drivers':'alsa':'capture' >>>> to value "hw:MobilePre,0" >>>> Thu Apr 25 08:34:20 2013: setting parameter 'drivers':'alsa':'playback' >>>> to value "hw:MobilePre,0" >>>> Thu Apr 25 08:34:20 2013: setting parameter 'drivers':'alsa':'rate' to >>>> value "48000" >>>> Thu Apr 25 08:34:20 2013: setting parameter 'drivers':'alsa':'period' >>>> to >>>> value "256" >>>> Thu Apr 25 08:34:20 2013: setting parameter 'drivers':'alsa':'nperiods' >>>> to value "3" >>>> Thu Apr 25 08:34:20 2013: setting parameter 'drivers':'alsa':'hwmon' to >>>> value "false" >>>> Thu Apr 25 08:34:20 2013: setting parameter 'drivers':'alsa':'hwmeter' >>>> to value "false" >>>> Thu Apr 25 08:34:20 2013: setting parameter 'drivers':'alsa':'duplex' >>>> to >>>> value "true" >>>> Thu Apr 25 08:34:20 2013: setting parameter 'drivers':'alsa':'softmode' >>>> to value "true" >>>> Thu Apr 25 08:34:20 2013: setting parameter 'drivers':'alsa':'monitor' >>>> to value "false" >>>> Thu Apr 25 08:34:20 2013: setting parameter 'drivers':'alsa':'dither' >>>> to >>>> value "n" >>>> Thu Apr 25 08:34:20 2013: setting parameter 'drivers':'alsa':'shorts' >>>> to >>>> value "true" >>>> Thu Apr 25 08:34:20 2013: setting parameter >>>> 'drivers':'alsa':'midi-driver' to value "seq" >>>> Thu Apr 25 08:34:20 2013: Listening for D-Bus messages >>>> Thu Apr 25 08:34:20 2013: Starting jack server... >>>> Thu Apr 25 08:34:20 2013: JACK server starting in realtime mode with >>>> priority 10 >>>> Thu Apr 25 08:34:20 2013: Acquired audio card Audio2 >>>> Thu Apr 25 08:34:20 2013: creating alsa driver ... >>>> hw:MobilePre,0|hw:MobilePre,0|256|3|48000|0|0|nomon|swmeter|soft-mode|16bit >>>> Thu Apr 25 08:34:20 2013: Using ALSA driver USB-Audio running on card 2 >>>> - M Audio MobilePre at usb-0000:00:14.0-2, full speed >>>> Thu Apr 25 08:34:20 2013: configuring for 48000Hz, period = 256 frames >>>> (5.3 ms), buffer = 3 periods >>>> Thu Apr 25 08:34:20 2013: ALSA: final selected sample format for >>>> capture: 16bit little-endian >>>> Thu Apr 25 08:34:20 2013: ALSA: use 3 periods for capture >>>> Thu Apr 25 08:34:20 2013: ALSA: final selected sample format for >>>> playback: 16bit little-endian >>>> Thu Apr 25 08:34:20 2013: ALSA: use 3 periods for playback >>>> Thu Apr 25 08:34:20 2013: port created: Midi-Through:midi/playback_1 >>>> Thu Apr 25 08:34:20 2013: port created: Midi-Through:midi/capture_1 >>>> Thu Apr 25 08:34:20 2013: graph reorder: new port 'system:capture_1' >>>> Thu Apr 25 08:34:20 2013: New client 'system' with PID 0 >>>> Thu Apr 25 08:34:20 2013: graph reorder: new port 'system:capture_2' >>>> Thu Apr 25 08:34:20 2013: graph reorder: new port 'system:playback_1' >>>> Thu Apr 25 08:34:20 2013: graph reorder: new port 'system:playback_2' >>>> Thu Apr 25 08:34:20 2013: graph reorder: new port >>>> 'system:midi_capture_1' >>>> Thu Apr 25 08:34:20 2013: graph reorder: new port >>>> 'system:midi_playback_1' >>>> ################################################################ >>>> >>>> Please, people! Is there nobody out there who could say, what is >>>> registering the Device? I guess, it has to do with dbus but I really >>>> would like to jump straight to the core of the problem, learning all >>>> mysteries of dbus/freedesktop/Jackdbus whatever is not an option for >>>> me. >>>> So if anybody could point me to that spurious registering-process it >>>> would be most appreciated :-) >>>> >>> >>> >>> You might have better luck with this one on the PA mailing list. >> >> So you suspect PA (and not dbus) to be the registering spectre? >> >> If I remember correctly I have tried some PA-voodoo also. Such as >> killall -9 pulseaudio. But to no avail. >> >> Anyway thanks for the hint: I will try once more to find out, whether PA >> has the custom to "register" handlers for >> /org/freedesktop/ReserveDevice1/Audio2 >> > > > You can try adding > > autospawn = no This is in the file already, guess KXStudio does it automagically. And it looks like it works, PA never starts automatically and it does not respawn as I kill it. In fact I do not believe, that the problem is directly related to pulse... > > to > > ~/.pulse/client.conf > > > This is reminiscent of the other pulse bug. > > > > -- > Patrick Shirkey > Boost Hardware Ltd > > _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/listinfo/linux-audio-user
