[PlanetCCRMA] New linux user trying Rosegarden via CCRMA FC5

[Tom Poe]

gary carroll wrote:
> I am a new Linux user, and I'm trying to set up a system to allow my 
> wife to do MIDI notation and editing for her new MIDI keyboard. I did 
> a new install of FC5 following the instructions on PlanetCCRMA as 
> closely as I was able to.
> I get sound from my speakers in the form of system beeps, and sound 
> from applications and web pages. I do not get any sound from 
> Rosegarden. At this point the computer is stand-alone, not hooked to 
> the keyboard in any way. I intend to get it to work stand-alone before 
> I tackle the issues of connecting to the keyboard.
>
> When I start a file playing in Rosegarden I see the green “light” 
> flicker in Qsynth's “engines selection” button in time with 
> Rosegarden, so it appears Rosegarden is sending some information to 
> the synthesizer engine. However, no sound emerges and the qsynth 
> message window displays an unending stream of :
> fluidsynth: warning: ALSA sequencer buffer overrun, lost events
> fluidsynth: warning: ALSA sequencer buffer overrun, lost events
> fluidsynth: warning: ALSA sequencer buffer overrun, lost events
> fluidsynth: warning: ALSA sequencer buffer overrun, lost events
>
> Qjackctl messages seem to indicate it is running (and “started”) 
> properly, but I see nothing to indicate it is getting any input from 
> fluidsynth. (I am not sure what I would see, never having seen a 
> properly operating system. I am just guessing I would see something.)
>
> Also, in Rosegarden under Settings/Configure Rosegarden/Sequencer, I 
> notice the Sequencer Status is “no driver”. I admit ignorance, but 
> this sounds like it can't be good. When I click “show detailed status 
> I get a good deal of information but I think this is the relevant part:
> AlsaDriver::setPlausibleConnection: connection like 64:0 M Audio 
> Audiophile 24/96 MIDI (duplex) requested for device 0
> AlsaDriver::setPlausibleConnection: nothing suitable available
>
> It seems to me that the Qsynth error message is telling me it can't 
> send information to Jack (or through Jack to the speakers), while 
> Rosegarden may or may not be sending correct information to the 
> synthesizer.
>
> There were some instructions on carefully modifying my 
> "/etc/modprobe.conf" file if I “have more than one soundcard.” 
> Actually, I have no soundcards and rely on the sound on the 
> motherboard, but I think for the purposes of the install that counts 
> as a single soundcard, and thus I probably did not need to modify my 
> modprobe.conf file.  However, just in case it is relevant, here it is:
> alias eth0 sis900
> alias scsi_hostadapter aic7xxx
> alias snd-card-0 snd-cmipci
> options snd-card-0 index=0
> options snd-cmipci index=0
> remove snd-cmipci { /usr/sbin/alsactl store 0 >/dev/null 2>&1 || : ; 
> }; /sbin/modprobe -r --ignore-remove snd-cmipci
>
>
> The system is a 2.6 Ghz p4 / 1gb RAM on an Asus p4s533, using the 
> on-board sound chip.
>
> Have I supplied enough information so that someone can either point me 
> in the right direction or make a suggestion?
>
> Oh, and while I installed with FC5, there is really no special reason 
> for me to do this over any other distro. There is nothing at all on 
> this system yet, and if I would be well advise to scrape the drive 
> clean and reinstall something else, please tell me.
>
> --Thanks in advance
>
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http://www.redhat.com/magazine/023sep06/features/rosegarden/
Can you check what you're doing against the tutorial above?
Tom