[PlanetCCRMA] Hammerfall-DSP Multiface problems

plutek plutek at infinity.net
Tue May 29 19:00:33 PDT 2012


From: plutek <plutek at infinity.net>
Date: Tue, 29 May 2012 21:40:07 -0400 (EDT)

> From: Fernando Lopez-Lezcano <nando at ccrma.Stanford.EDU>
> Date: Tue, 29 May 2012 17:54:45 -0700
> 
>> (BTW, my current laptop is a T510 and runs a Multiface with the same 
>> adapter fine with 3.2.x rt, but on fc14 i386 for now)
> 
> i'll do an installation like that as well, and report back! i've got multiple partions for test installations on this machine.  :)
> 
>> It is strange that jack itself is not happy with newer kernels. That 
>> would seem to suggest a kernel bug with your particular hardware.
>> 
>> What do you mean by "jack locks up very quickly"? Do you mean the whole 
>> machine locks up? Or just the jackd process? Does jackd print anything 
>> before it locks up?
> 
> i've been using qjackctl... the messages window says:
> 
> ALSA: prepare error for playback on "hw0:0" (Input/output error)
> JackAudioDriver::ProcessAsync: read error, stopping...
> 
> then the qjackctl GUI *looks* like jack is still running (i.e. it says "started" and "RT" and so on) but then when i try to run a jack application, the application does not think jack is running, and the qjackctl message window gives me this:
> 
> JackProcessSync::LockedTimedWait error usec = 5000000 err = Connection timed out
> Driver is not running
> Cannot create new client
> 
> then, if i hit the stop button in qjackctl, then try to re-start jack, there's a pop-up from qjackctl, saying:
> 
> Could not connect to JACK server as client.
> -Overall operation failed.
> -Unable to connect to server
> Please check the messages window for more info.
> 
> ...and the qjackctl messages window says (this is everything including the *previous* error, right to this point):
> 
> JackProcessSync::LockedTimedWait error usec = 5000000 err = Connection timed out
> Driver is not running
> Cannot create new client
> 21:07:59.909 ALSA connection graph change.
> 21:08:00.016 ALSA connection change.
> 21:15:13.473 Client deactivated.
> 21:15:13.478 JACK is stopping...
> JackProcessSync::LockedTimedWait error usec = 29020 err = Connection timed out
> JackEngine::ClientDeactivate wait error ref = 2 name = qjackctl
> JackProcessSync::LockedTimedWait error usec = 5804 err = Connection timed out
> JackEngine::ClientCloseAux wait error ref = 2
> jack main caught signal 15
> control device hw:0
> Released audio card Audio0
> audio_reservation_finish
> control device hw:0
> 21:15:14.590 JACK was stopped successfully.
> 21:15:26.056 JACK is starting...
> 21:15:26.058 /usr/bin/jackd -p512 -dalsa -r44100 -p64 -n2 -D -Chw:0,0 -Phw:0,0
> Cannot connect to server socket err = No such file or directory
> Cannot connect to server socket
> jack server is not running or cannot be started
> 21:15:26.077 JACK was started with PID=1744.
> no message buffer overruns
> no message buffer overruns
> no message buffer overruns
> jackdmp 1.9.8
> Copyright 2001-2005 Paul Davis and others.
> Copyright 2004-2011 Grame.
> jackdmp comes with ABSOLUTELY NO WARRANTY
> This is free software, and you are welcome to redistribute it
> under certain conditions; see the file COPYING for details
> JACK server starting in realtime mode with priority 60
> control device hw:0
> control device hw:0
> audio_reservation_init
> Acquire audio card Audio0
> creating alsa driver ... hw:0,0|hw:0,0|64|2|44100|0|0|nomon|swmeter|-|32bit
> control device hw:0
> ALSA: Cannot open PCM device alsa_pcm for playback. Falling back to capture-only mode
> Cannot initialize driver
> JackServer::Open() failed with -1
> Failed to open server
> 21:15:26.259 JACK was stopped with exit status=255.
> 21:15:28.256 Could not connect to JACK server as client. - Overall operation failed. - Unable to connect to server. Please check the messages window for more info.
> Cannot connect to server socket err = No such file or directory
> Cannot connect to server socket
> jack server is not running or cannot be started
> 
> ...at that point, the machine is still responsive, but i cannot start jack at all, and the machine locks during shutdown.

slight clarification:i *meant* i cannot start jack at all WITH THE HDSP HARDWARE. if i select *other* audio interfaces (built-in or USB), it runs fine.

cheers!
.pltk.



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