[PlanetCCRMA] fc2 new kernel and jack

Brad Fuller brad@sonaural.com
Tue Dec 28 17:55:01 2004

Lucio Ribeiro Gomes wrote:

>Em Ter, 2004-12-28 às 22:25, Fernando Lopez-Lezcano escreveu:
>>On Tue, 2004-12-28 at 16:10, Lucio Ribeiro Gomes wrote:
>>>I've just installed the new kernel in FC2 and I can't get jack to work. 
>>>[lucio@hendrix lucio]$ uname -a
>>>Linux hendrix.localdomain 2.6.9-2.2.rdt.rhfc2.ccrma #1 Tue Dec 28
>>>02:56:57 EST 2004 i686 athlon i386 GNU/Linux
>>>[lucio@hendrix lucio]$ jackstart -R -d alsa -d hw -r 44100
>>>jackstart: cannot get realtime capabilities, current capabilities are:
>>>           =ep cap_setpcap-e
>>>    probably running under a kernel with capabilities disabled,
>>>    a suitable kernel would have printed something like "=eip"
>>>back from read, ret = 1 errno == Success
>>>jackstart: could not give capabilities: Operation not permitted
>>>jackd 0.99.36
>>>Copyright 2001-2003 Paul Davis and others.
>>>jackd comes with ABSOLUTELY NO WARRANTY
>>>This is free software, and you are welcome to redistribute it
>>>under certain conditions; see the file COPYING for details
>>>JACK compiled with System V SHM support.
>>>cannot lock down memory for jackd (Cannot allocate memory)
>>>loading driver ..
>>>apparent rate = 44100
>>>creating alsa driver ... hw|hw|1024|2|44100|0|0|nomon|swmeter|-|32bit
>>>configuring for 44100Hz, period = 1024 frames, buffer = 2 periods
>>>nperiods = 2 for capture
>>>nperiods = 2 for playback
>>>JACK: unable to mlock() port buffers: Cannot allocate memory
>>>jack_create_thread: error -1 switching current thread to rt for
>>>inheritance: Unknown error 4294967295
>>>cannot start watchdog thread
>>>cannot load driver module alsa
>>>Falha de segmentação
>>It looks like you don't have the realtime module loaded. Strange as it
>>should have been installed and configured. Check that you have the
>>"rtload" package installed:
>>  rpm -q rtload
I have jackd running fine with the 2.6.7-1.437.1.11.rhfc2.ccrma kernel.
But rpm -q rtload comes back as not installed.