Re: [Jack-Devel] Jack2 alsarawmidi slave: Pluggable device registration problem?

Patch welcome I guess.

Stephane

Le 28 sept. 2014 à 17:32, Tim E. Real <[hidden]> a écrit :

> On September 28, 2014 09:18:38 AM you wrote:
>> The reason is that this is probably no "dynamic plug/unplug" handing code in
>> the JackALSARawMidiDriver backend.
>> 
>> Stéphane
> 
> Hi thanks. Yes, poking around the code I noticed a peculiar absence of 
> some registration code, compared to the other drivers.
> 
> Is this code waiting to be done? Should I wait?
> 
> Thanks.
> Tim.
> 
> 
>> 
>> Le 28 sept. 2014 à 04:43, Tim E. Real <[hidden]> a écrit :
>>> On September 27, 2014 07:47:01 PM Tim E. Real wrote:
>>>> Hi!
>>>> 
>>>> When I plug in my USB midi device after starting Jack2 with alsarawmidi,
>>>> it does not register at all, as jack_lsp shows.
>>>> 
>>>> But if I instead start Jack2 after the device is plugged in, ports are
>>>> there.
>>>> 
>>>> But then if I unplug the device, strangely the ports do not unregister
>>>> and
>>>> I can even make connections to them in qjctl.
>>>> 
>>>> Having seen the second problem first, I thought it might be a new
>>>> 'feature'
>>>> - Persistent Ports!
>>>> 
>>>> But now having seen the first problem I guess not...
>>>> 
>>>> What could be wrong?
>>>> Thanks. Tim.
>>> 
>>> Here we go, some output:
>>> 
>>> 
>>> Start Jack, USB device is already plugged in:
>>> 
>>> ...
>>> Not shown: Early startup stuff, we pick it up at last USB midi port...
>>> ...
>>> 
>>> JackALSARawMidiDriver::Attach - output port registered
>>> (name='system:midi_playback_2', alias='system:2-1 MidiSport 2x2 2 out').
>>> Jack: JackEngine::PortRegister ref = 2 name = system:midi_playback_3 type
>>> = 8 bit raw midi flags = 21 buffer_size = 256
>>> Jack: JackGraphManager::AllocatePortAux port_index = 28 name =
>>> system:midi_playback_3 type = 8 bit raw midi
>>> Jack: JackConnectionManager::AddInputPort ref = 2 port = 28
>>> Jack: JackEngine::ClientNotify: no callback for notification = 9
>>> Jack: JackEngine::ClientNotify: no callback for notification = 9
>>> Jack: JackEngine::ClientNotify: no callback for notification = 9
>>> JackALSARawMidiDriver::Attach - output port registered
>>> (name='system:midi_playback_3', alias='system:3-1 M Audio Delta 1010LT
>>> MIDI 1 out').
>>> Jack: JackServer::Start
>>> Jack: JackThreadedDriver::Start
>>> JackALSARawMidiDriver::Start - Starting 'alsarawmidi' driver.
>>> JackALSARawMidiDriver::Start - starting ALSA thread ...
>>> Jack: JackPosixThread::StartImp : create non RT thread
>>> Jack: JackPosixThread::ThreadHandler : start
>>> Jack: JackPosixThread::AcquireRealTimeImp priority = 31
>>> JackALSARawMidiDriver::Start - started ALSA thread.
>>> Jack: JackPosixThread::StartImp : create non RT thread
>>> Jack: JackPosixThread::ThreadHandler : start
>>> Jack: JackThreadedDriver::Init real-time
>>> Jack: JackPosixThread::AcquireRealTimeImp priority = 30
>>> Jack: JackPosixThread::StartImp : create non RT thread
>>> Jack: JackPosixThread::ThreadHandler : start
>>> Jack: JackSocketServerChannel::ClientCreate socket
>>> Jack: JackSocketServerChannel::BuildPoolTable size = 2
>>> Jack: JackSocketServerChannel::BuildPoolTable fSocketTable i = 1 fd = 29
>>> Jack: JackSocketServerChannel::Execute : fPollTable i = 1 fd = 29
>>> Jack: JackRequest::Notification
>>> Jack: JackDriver::ClientNotify ref = 1 driver = freewheel name = freewheel
>>> notify = 18
>>> Jack: JackDriver::ClientNotify ref = 1 driver = freewheel name = freewheel
>>> notify = 18
>>> Jack: JackDriver::ClientNotify ref = 1 driver = freewheel name = freewheel
>>> notify = 18
>>> Jack: JackDriver::ClientNotify ref = 1 driver = freewheel name = freewheel
>>> notify = 18
>>> Jack: JackEngine::ClientNotify: no callback for notification = 4
>>> Jack: JackEngine::ClientNotify: no callback for notification = 4
>>> Jack: JackEngine::ClientNotify: no callback for notification = 4
>>> 
>>> ...
>>> Idle
>>> ...
>>> 
>>> 
>>> Now unplug USB device:
>>> 
>>> JackALSARawMidiPort::GetIOPollEvents - the file descriptor is invalid.
>>> JackALSARawMidiDriver::Execute - a fatal error occurred while processing
>>> ALSA output events.
>>> JackALSARawMidiDriver::Execute - ALSA thread exiting.
>>> Jack: JackPosixThread::ThreadHandler : exit
>>> Jack: JackSocketServerChannel::Execute : fPollTable i = 1 fd = 29
>>> 
>>> ...
>>> Idle
>>> ...
>>> 
>>> Jack: JackSocketServerChannel::Execute : fPollTable i = 1 fd = 29
>>> Jack: JackSocketServerChannel::Execute : fPollTable i = 1 fd = 29
>>> 
>>> ...
>>> 
>>> Now re-plug USB device:
>>> 
>>> No output, nothing changes.
>>> 
>>> ...
>>> 
>>> 
>>> Thanks. Tim.
>>> 
>>> Jack-Devel mailing list
>>> [hidden]
>>> http://lists.jackaudio.org/listinfo.cgi/jack-devel-jackaudio.org
> 
> 
> Jack-Devel mailing list
> [hidden]
> http://lists.jackaudio.org/listinfo.cgi/jack-devel-jackaudio.org

1411922661.29482_0.ltw:2, <01AA15C6-D3D5-4A38-9BAA-2DF45AA13035 at grame dot fr>