[PlanetCCRMA] Jack problem / system hangs...

Raphael Raccuia rafael.raccuia at blindekinder.com
Tue Nov 10 15:00:26 PST 2009

Just to say that characters issue in 2.8.2 also appears in Ubuntu-Studio 
9.10, but there it's possible to avoid specials characters (àéèü). In 
CCRMA, it renames all track like:
[track name]/Entrée n
which give:

entrée 1

Seems to be fixed in 2.8.3



Raphael Raccuia a écrit :
> Hi fernando and juan,
> thanks for your answers...
> Fernando Lopez-Lezcano a écrit : 
>> On Tue, 2009-10-27 at 10:28 +0100, Raphael Raccuia wrote:
>>> Hi,
>>> I use F10/CCRMA since one year, and I like it because of his good
>>> stability. 
>>> But I had some major problems last weeks, after a break using my
>>> computer:
>>> -Jackd: I start well (FFADO / Edirol FA-101), and is very stable (was
>>> not the case on Ubuntu Studio). But now, I can't connect the patch. Some
>>> names are corrupted (char coding problem), like:
>>> Original/entrée 1
>>> and it's impossible to connect, with message:
>>> Unknown destination port in attempted (dis)connection src_name
>>> [system:AC6_dev0_LineIn 7+8 left] dst_name [ardour:Original/entrée 1]
>> What version do you have of qjackctl? ("rpm -q qjackctl" to find out).
>> There was an update being pushed by Fedora a couple of days ago. 
> 0.3.4...
> I haven't seen a new version...
> But after more tests, I noticed the problem is with Ardour 2.8.2 from
> F10-repos. Ardour seems to works great, but there is this a char issue
> with jack connections. So I reinstalled 2.7, and it's ok... Anybody
> planed to package 2.8 for CCRMA? 
>>> Kernel: The only problem I had with CCRMA was to get rt-kernel working
>>> on my machine. 2.6.27 didn't, but 2.6.29-? (ccrma testing repo) was ok
>>> but now: 
>>> 2.6.29-6-rt: system hangs, until I press a key / move mouse
>>> 2.6.29-2-rt: sometimes hangs on boot, I have to press a key, then give
>>> me a kernel problem. but then seems to work...
>>> Is there any kernel known as stable?
>> Could you give us the complete names of the kernels? When you boot into
>> one "uname -r" should give you the kernel version. You say "2.6.29" was
>> ok, which version was it?
>> Both kernels should be "stable", but how stable depends a bit on your
>> particular hardware combination. The strange thing is that once you find
>> a kernel that works for you it should keep working fine. Did you change
>> any hardware in your machine? When did it start misbehaving? If you
>> remember when it happened an "rpm -q -a --last" should point you to
>> package changes that happened at that time...
> Ok, I'll be more precise:
> & 2: system hangs on startup AND in use/ have to press a key to go on. I get xruns without apparent reason.
> seems to work, but sometimes hangs on startup (I had same problem with earlier version of Ubuntu and U-Studio (gutsy-hardy).It's ok now with jaunty.)
> same... And I have a strange message just after startup about "kernel failure". I can't reproduce because it's not appearing any more. Maybe I said "never again" or something (???)
> 2.6.29-0.1.rt3.1: works well! (???)
> So I can say that 29.6 doesn't work at all, and others work, some have problems. I didn't change nothing on my computer. Problems appeared after kernel updates, it seems it's getting worth on each update...
> I'll keep using older  rt-kernels...
> =>Juan: don't thing it has to do with graphic or gnome... I never installed drivers for my nvidia (no need, and I heard it's recommended when using rt)... I works well
> cheers
> raf
>> -- Fernando
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