Hmmm... I can understand now... <div class="gmail_extra"><br></div><div class="gmail_extra">Well.. I tried now the version of Jack on <a href="https://launchpad.net/~kxstudio-team/+archive/testing">kxstudio testing ppa</a> and the problem is the same... :(</div>
<div class="gmail_extra"><br></div><div class="gmail_extra">This ppa was install jack2, jackd and jackdfirewire packages on version 1.9.9 but the package libjack-jack2.0 is mantained on version 1.9.8</div><div class="gmail_extra">
<br></div><div class="gmail_extra">The next step will be to compile jack packages on version 1.9.9</div><div class="gmail_extra"><br></div><div class="gmail_extra">Ivica, or anyone, you have some information how can I compile that? For that I need some help.</div>
<div class="gmail_extra"><br></div><div class="gmail_extra">Regards<br><br><div class="gmail_quote">2012/11/23 Ivica Ico Bukvic <span dir="ltr"><<a href="mailto:ico@vt.edu" target="_blank">ico@vt.edu</a>></span><br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div lang="EN-US" link="blue" vlink="purple"><div><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">See below (from the linux-audio-user list):<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Re: [LAU] question about jackdmp's ability to detect its soundcard has disconnected<u></u><u></u></span></p>
<div style="border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in 4.0pt"><div><div style="border:none;border-top:solid #b5c4df 1.0pt;padding:3.0pt 0in 0in 0in"><p>Could this be the difference between 1.9.8 and git version?<u></u><u></u></p>
<p class="MsoNormal">On Oct 29, 2012 12:10 PM, "Robin Gareus" <<a href="mailto:robin@gareus.org" target="_blank">robin@gareus.org</a>> wrote:<u></u><u></u></p><p class="MsoNormal" style="margin-bottom:12.0pt">
On 10/29/2012 03:55 PM, Ivica Ico Bukvic wrote:<br>> All,<br>><br>> I noticed since upgrading to Ubuntu 12.04 that the default Jack server is<br>> jackdmp (v.1.9.8). Please correct me if I am wrong but my understanding this<br>
> is the smp-enabled version 2 that is being developed in parallel with 1.x<br>> series of regular jack.<br><br>correct. They are also API and ABI compatible.<br><br>> Either way, one of my concerns is that while in the old jack when one<br>
> accidentally pulled the soundcard jack was trying to talk to (e.g. a USB<br>> soundcard), the jack would gracefully stop.<br><br>In my experience it stopped but never gracefully (ie it crashed). but<br>it's been a while since I used jack1.<br>
<br>> The new version (and this could<br>> be Ubuntu quirk) instead of stopping is pegged in some kind of a spinlock<br>> that often times locks up the machine (this may be in part since I am<br>> running a lowlatency kernel with audio group given priority) and at times<br>
> keeps it operational while hogging the cpu and making the computer barely<br>> responsive until jackd is killed. Apps connected to jack that I tested so<br>> far are also stuck in a loop waiting for a response from jack (although this<br>
> could be the app's shortcoming)--jack never broadcasts a signal that it has<br>> lost the soundcard (AFAICT). FWIW I am running jackdmp through qjackctl...<br>> Any thoughts on this matter would be most appreciated.<br>
><br><br>I can't reproduce this. jack2 stops the backend when the device is<br>disconnected. You can switch to a new backend using jack_control<br>(sending some Dbus messages to jackd) without re-starting jackd. No CPU<br>
hogging here. - I'm running jack2 - aka 1.9.9.4 from git.<br><br>robin<u></u><u></u></p></div></div><div style="border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in 4.0pt"><div><div><p class="MsoNormal"><u></u> <u></u></p>
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