music June 2012

music@lists.fedoraproject.org

9 participants
23 discussions

Fwd: [PlanetCCRMA] fedora 17: jackd always starts in verbose mode
by Fernando Lopez-Lezcano 02 Jun '12

02 Jun '12

(mistake in the address I typed) Subject: [PlanetCCRMA] fedora 17: jackd always starts in verbose mode Date: Sat, 02 Jun 2012 13:08:05 -0700 From: Fernando Lopez-Lezcano <nando(a)ccrma.Stanford.EDU> To: planetccrma(a)ccrma.Stanford.EDU Hi all, I just filed: https://bugzilla.redhat.com/show_bug.cgi?id=827748 Fedora 17's jackd always starts in verbose mode (at least in my tests on x86_64 - it also happens in other distros). There is an ongoing thread here: http://linuxaudio.org/mailarchive/lau/2012/5/29/190667 This is linked to gcc 4.7.0 and the handling of the verbose flag in jack's code. We should come up with a patch asap... -- Fernando

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/dev/snd/seq access control list & verbose jack
by Fernando Lopez-Lezcano 01 Jun '12

01 Jun '12

Hi, just starting to test a new install of Fedora 17 (and releasing the Planet CCRMA packages for it as well :-) I find that out of the box /dev/snd/seq does not get the acl updated to include the user currently logged in. That is happening for the pcm files in /dev/snd. The end result is that Qjackctl complains (as it did in Fedora 11!) that it can't use the ALSA sequencer interface. Which Fedora component should I file a bug against? (udev?) I also noticed that jack is starting by default in verbose mode and there seems to be no way to silence its output to the default (--silence has no effect). There is a thread about this (without a resolution) in LAU. Any clues on what might be happening? -- Fernando

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Jack and pulse on the Spin
by Brendan Jones 01 Jun '12

01 Jun '12

Just a note that the default F17 pulseaudio configuration supports jack bridging via dbus (/etc/pulse/default.pa). ### Automatically connect sink and source if JACK server is present .ifexists module-jackdbus-detect.so .nofail load-module module-jackdbus-detect .fail .endif This is different to again to module-jack-sink.so/module-jack-source.so which is what some of us have been using up until now. What that means is if jack-audio-connection-kit-dbus is on the spin by default, bridging is set up automatically. This is something that needs to be considered carefully and I'd be interested in how well jackdbus is working for people. I was having random errors in the past with jackdbus hogging CPU with pulse. I will perform some more monitoring here, but it would be great to hear what others have experienced.

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music June 2012