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. -- Patrick Shirkey Boost Hardware Ltd _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/listinfo/linux-audio-user
