Am 26.04.2013 00:08, schrieb Hartmut Noack: > Am 25.04.2013 20:57, schrieb david: >> On 04/25/2013 06:32 AM, Markus Seeber wrote: >>> On 04/25/2013 03:33 PM, Hartmut Noack wrote: >>>> 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 >>>> >>> I stumbled over the same issue a while ago but i can't reproduce the >>> exact issue at the moment. I noticed, you are using Skype at the same >>> time? Actually Skype doesn't support Jack and tries to do strange stuff >>> sometimes, which inevitably breaks things on my system, because it >>> aggressively tries to obtain access to the audio card somehow. The only >>> way i discovered to free the device, is to stop Skype, start pulse >>> audio, and kill pulseaudio afterwards. I try to avoid Skype now as much >>> as possible, when i am Using Jack, because i couldn't get it working in >>> a reliable way with the pulseaudio bridge. >>> Basically i guess Skype is causing you problems. >> >> Or it's Pulse causing the problems. I don't use either Skype or Pulse. > > I have found a hint now, that though pulseaudio is not directly > responsible, something that comes from the pulse-package *could* be > involved: > http://git.0pointer.de/?p=reserve.git;a=blob;f=reserve.txt > > Here we have the ghastly ReserverDevice1 thing. > > As I read this, the problem is caused by 2 things: > > 1.) the priority of the process, that tries to start Jack is lower than > the one that has a grip upon the device at startup. How this priority is > exactly set I do not know, I have raised the realtime-priority for Jack > from 10 to 66 - simply this is the only whatever priority I see a way to > set. > > 2.) Lennart Poettering recommends to spawn a usefull message that could > help the user to find out, what is happening: > > Optionally the owner of the device access may export a few > 172 properties with a bit of descriptive information about > 173 itself. This is supposed to be useful to show a nice message > 174 to the user: "Application %s is blocking device %s. Please > 175 close this application or make sure it closes the access to > 176 that device." with ApplicationName and ApplicationDeviceName > 177 filled in. > > whoever is in charge have chosen just to spawn: > > "A handler is already registered" > > which have made me search for about 3 days now only to find the > *potential* reason. Now after restart, Jack cannot start with the higher priority either. :~$ jack_control status --- status stopped PA is *not* running: :~$ paplay jack_capture_01.wav Verbindungsfehler: Verbindung verweigert pa_context_new() fehlgeschlagen: Verbindung verweigert (Verbindungsfehler is basically: Connection failed) :~$ pavucontrol (pavucontrol:2891): Gtk-CRITICAL **: gtk_main_quit: assertion `main_loops != NULL' failed And it cannot start: :~$ pulseaudio E: [pulseaudio] module-alsa-card.c: Failed to find a working profile. E: [pulseaudio] module.c: Failed to load module "module-alsa-card" (argument: "device_id="2" name="usb-M_Audio_MobilePre-00-MobilePre" card_name="alsa_card.usb-M_Audio_MobilePre-00-MobilePre" namereg_fail=false tsched=yes fixed_latency_range=no ignore_dB=no deferred_volume=yes card_properties="module-udev-detect.discovered=1""): initialization failed. E: [pulseaudio] module-alsa-card.c: Failed to find a working profile. E: [pulseaudio] module.c: Failed to load module "module-alsa-card" (argument: "device_id="2" name="usb-M_Audio_MobilePre-00-MobilePre" card_name="alsa_card.usb-M_Audio_MobilePre-00-MobilePre" namereg_fail=false tsched=yes fixed_latency_range=no ignore_dB=no deferred_volume=yes card_properties="module-udev-detect.discovered=1""): initialization failed. E: [pulseaudio] module-alsa-card.c: Failed to find a working profile. E: [pulseaudio] module.c: Failed to load module "module-alsa-card" (argument: "device_id="2" name="usb-M_Audio_MobilePre-00-MobilePre" card_name="alsa_card.usb-M_Audio_MobilePre-00-MobilePre" namereg_fail=false tsched=yes fixed_latency_range=no ignore_dB=no deferred_volume=yes card_properties="module-udev-detect.discovered=1""): initialization failed. E: [pulseaudio] module-alsa-card.c: Failed to find a working profile. E: [pulseaudio] module.c: Failed to load module "module-alsa-card" (argument: "device_id="2" name="usb-M_Audio_MobilePre-00-MobilePre" card_name="alsa_card.usb-M_Audio_MobilePre-00-MobilePre" namereg_fail=false tsched=yes fixed_latency_range=no ignore_dB=no deferred_volume=yes card_properties="module-udev-detect.discovered=1""): initialization failed. E: [pulseaudio] module-alsa-card.c: Failed to find a working profile. E: [pulseaudio] module.c: Failed to load module "module-alsa-card" (argument: "device_id="2" name="usb-M_Audio_MobilePre-00-MobilePre" card_name="alsa_card.usb-M_Audio_MobilePre-00-MobilePre" namereg_fail=false tsched=yes fixed_latency_range=no ignore_dB=no deferred_volume=yes card_properties="module-udev-detect.discovered=1""): initialization failed. E: [pulseaudio] module-alsa-card.c: Failed to find a working profile. E: [pulseaudio] module.c: Failed to load module "module-alsa-card" (argument: "device_id="2" name="usb-M_Audio_MobilePre-00-MobilePre" card_name="alsa_card.usb-M_Audio_MobilePre-00-MobilePre" namereg_fail=false tsched=yes fixed_latency_range=no ignore_dB=no deferred_volume=yes card_properties="module-udev-detect.discovered=1""): initialization failed. W: [pulseaudio] module-udev-detect.c: Tried to configure /devices/pci0000:00/0000:00:14.0/usb3/3-2/3-2:1.0/sound/card2 (alsa_card.usb-M_Audio_MobilePre-00-MobilePre) more often than 5 times in 10s Nobody admits to have a grip on any soundcard: :~$ lsof /dev/snd/* COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME kded4 2261 zettberlin 24u CHR 116,15 0t0 8948 /dev/snd/controlC1 kded4 2261 zettberlin 26u CHR 116,9 0t0 1739 /dev/snd/controlC2 kmix 2552 zettberlin 12u CHR 116,15 0t0 8948 /dev/snd/controlC1 kmix 2552 zettberlin 17u CHR 116,9 0t0 1739 /dev/snd/controlC2 These are just controls... the pcm interfaces are clean. OK, so I un/replug again.... :~$ tail -f /var/log/syslog Apr 26 09:20:09 zettberlin-Lenovo-U410 kernel: [ 1252.495471] usb 3-2: USB disconnect, device number 2 Apr 26 09:20:09 zettberlin-Lenovo-U410 kernel: [ 1252.498259] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff88021eab1c40 Apr 26 09:20:09 zettberlin-Lenovo-U410 kernel: [ 1252.498269] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff88021eab1c80 Apr 26 09:20:34 zettberlin-Lenovo-U410 kernel: [ 1277.213574] usb 3-2: new full-speed USB device number 5 using xhci_hcd Apr 26 09:20:34 zettberlin-Lenovo-U410 kernel: [ 1277.799954] usb 3-2: New USB device found, idVendor=0763, idProduct=200f Apr 26 09:20:34 zettberlin-Lenovo-U410 kernel: [ 1277.799965] usb 3-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0 Apr 26 09:20:34 zettberlin-Lenovo-U410 kernel: [ 1277.799971] usb 3-2: Product: MobilePre Apr 26 09:20:34 zettberlin-Lenovo-U410 kernel: [ 1277.799976] usb 3-2: Manufacturer: M Audio Apr 26 09:20:34 zettberlin-Lenovo-U410 mtp-probe: checking bus 3, device 5: "/sys/devices/pci0000:00/0000:00:14.0/usb3/3-2" Apr 26 09:20:34 zettberlin-Lenovo-U410 mtp-probe: bus: 3, device: 5 was not an MTP device Now I try to start Jack using Cadence again: Apr 26 09:22:18 zettberlin-Lenovo-U410 rtkit-daemon[2169]: Successfully made thread 3046 of process 3046 (n/a) owned by '1000' high priority at nice level -11. Apr 26 09:22:18 zettberlin-Lenovo-U410 rtkit-daemon[2169]: Supervising 1 threads of 1 processes of 1 users. Apr 26 09:22:18 zettberlin-Lenovo-U410 pulseaudio[3046]: [pulseaudio] pid.c: Stale PID file, overwriting. Apr 26 09:22:18 zettberlin-Lenovo-U410 pulseaudio[3046]: [pulseaudio] sink.c: Default and alternate sample rates are the same. Apr 26 09:22:18 zettberlin-Lenovo-U410 pulseaudio[3046]: [pulseaudio] module-jack-sink.c: JACK error >Cannot use real-time scheduling (RR/61)(1: Die Operation ist nicht erlaubt)< Apr 26 09:22:18 zettberlin-Lenovo-U410 pulseaudio[3046]: [pulseaudio] module-jack-sink.c: JACK error >JackClient::AcquireSelfRealTime error< Apr 26 09:22:18 zettberlin-Lenovo-U410 pulseaudio[3046]: [pulseaudio] source.c: Default and alternate sample rates are the same. Apr 26 09:22:18 zettberlin-Lenovo-U410 pulseaudio[3046]: [pulseaudio] module-jack-source.c: JACK error >Cannot use real-time scheduling (RR/61)(1: Die Operation ist nicht erlaubt)< Apr 26 09:22:18 zettberlin-Lenovo-U410 pulseaudio[3046]: [pulseaudio] module-jack-source.c: JACK error >JackClient::AcquireSelfRealTime error< :~$ uname -a Linux zettberlin-Lenovo-U410 3.5.0-26-lowlatency #28-Ubuntu SMP PREEMPT Tue Mar 19 10:32:21 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux :~$ groups audio dip video plugdev (and others) :~$ cat /etc/security/limits.d/audio.conf # Provided by the jackd package. # # Changes to this file will be preserved. # @audio - rtprio 95 @audio - memlock unlimited So still I do not know, whatever is registering that handler on the Reserve Device defined by the PA-package.... Anyone? > > And still I am far from a sane solution.... > > best regards and thank you all for your help. > > HZN > > >> > > _______________________________________________ > Linux-audio-user mailing list > Linux-audio-user@xxxxxxxxxxxxxxxxxxxx > http://lists.linuxaudio.org/listinfo/linux-audio-user > _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/listinfo/linux-audio-user