> On Sun, 16 May 2010, Niels Mayer wrote:
>
>> On Sun, May 16, 2010 at 2:58 PM, Rick Green wrote:
>>
>>> jack-audio-connection-kit.i686 0.118.0-1.fc12
>>> @updates
>>>
>>
>> You should do a "yum update" after adding the CCRMA repository. Then
>> you'll
>> upgrade to the latest Jack:
>> jack-audio-connection-kit-1.9.4-1.fc12.ccrma.i686
> I did that this morning.
>>
>> You also need to config /etc/group adding your group name to
>> 'jackuser' just
>> like you did for
>> video, audio, polkituser, pulse, pulse-rt, pulse-access, rtkit,
>> cdrom, tape,
>> and whatever else you need special access to.
>>
>> After doing that you probably will need to reboot once, unless you know
>> enough to disable and restart enough systems to get it to reread
>> /etc/security/limits.conf which are changed by the CCRMA Jackd. Also,
>> you
>> may not like the particular limits set, I changed mine to:
>> ( see
http://old.nabble.com/Re:-Fwd:-jack2-p28288652.html ).
>>
>> ## Automatically appended by the Planet CCRMA jack-audio-connection-kit
>>
>> ## NPM changed '*' to @jackuser to limit priority escalation to jackd.
>>
>> @jackuser - rtprio 99
>>
>> @jackuser - memlock 4194304
>>
>> @jackuser - nice -10
>>
>>
>> Also, unless you're a masochist, you should totally disable
>> selinux ("chkconfig --level 0123456 restorcond off") by adding
>> "selinux=0"
>> to /boot/grub/grub.conf e.g.
>>
>>> kernel /vmlinuz-2.6.32.11-99.fc12.x86_64 ro
>>> root=/dev/mapper/vg_gnulem-lv_root LANG=en_US.UTF-8
>>> SYSFONT=latarcyrheb-sun16 KEYBOARDTYPE=pc KEYTABLE=emacs2 vga=0x307
>>> selinux=0 nomodeset 5
>>
>>
>> Above, in addition to
>> http://old.nabble.com/uninstall-pulseaudio-to-increase-audio-app-stability-across-updates-(was-Re:-yum-update)-to27759501.html#a27759501
>>
>> I
>> also disabled the pulseaudio of video -- kernel mode setting -- and
>> behold
>> the glory of masses of scrolling text at bootup, stable updates, and no
>> weird ATI radeon bugs.
>>
>> Speaking of pulseaudio,
>>
http://old.nabble.com/Re:-Fwd:-jack2-p28288652.html is
>> a potential bad interaction between pulseaudio and jack (through
>> /etc/security/limits.conf, potential priority escalation issue).
>>
> Thanks for all the suggestions. I'll read the articles at those
> links, but for now, I'm trying to figure out how to make this system
> work with a vanilla configuration as supplied by fedora + CCRMA. My
> belief is if those tweaks are necessary, they'll be implemented in
> either the fedora or CCRMA install scripts.
>
> a few more observations since my last post:
>
> 'desktop' audio isn't working either. I just realized that I'm
> getting no beeps or startup sounds from fedora. The motherboard sound
> system was detected and automagically configured by Ubuntu, but F12
> seems to have detected it, but not generated a functional
> configuration. I wonder if that is causing the lock-ups of jackd and
> Ardour?
>
> The fedora12 installation didn't detect the other OS installs on the
> system, and it over-wrote the MBR, so right now I haven't figured out
> how to boot into either my kubuntu 7.10 or Ubuntustudio 10.04
> systems. I've looked at the grub.conf on the various partitions, and
> they have radically different syntax, so it looks like f12 and US10.04
> are running different versions of grub, with different config syntax,
> so I can't simply cut'n'paste a few menuentry sections into the f12
> grub.conf.
>