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Old 12-04-2009, 01:17 AM   #1
Registered: Jan 2009
Distribution: Fedora, CentOS, NetBSD
Posts: 115

Rep: Reputation: 17
JACK audio crashing

Hello, I am trying to get JACK working with QJACKctl so I can use Arduor but it is crashing with the errors below:

02:09:52.626 Patchbay deactivated.
02:09:52.628 Statistics reset.
02:09:52.639 ALSA connection graph change.
02:09:52.881 ALSA connection change.
02:10:16.312 Startup script...
02:10:16.313 artsshell -q terminate
02:10:16.741 Startup script terminated with exit status=256.
02:10:16.741 JACK is starting...
02:10:16.742 /usr/bin/jackd -dalsa -d/dev/audio -r44100 -p16 -n2
02:10:16.750 JACK was started with PID=6569.
*** buffer overflow detected ***: /usr/bin/jackd terminated
======= Backtrace: =========
======= Memory map: ========
00400000-00405000 r-xp 00000000 fd:02 30713                              /usr/bin/jackd
00604000-00606000 rw-p 00004000 fd:02 30713                              /usr/bin/jackd
01054000-0107d000 rw-p 00000000 00:00 0                                  [heap]
3d0ac00000-3d0ac1e000 r-xp 00000000 fd:02 25649                          /lib64/
3d0ae1d000-3d0ae1e000 r--p 0001d000 fd:02 25649                          /lib64/
3d0ae1e000-3d0ae1f000 rw-p 0001e000 fd:02 25649                          /lib64/
3d0ae1f000-3d0ae20000 rw-p 00000000 00:00 0 
3d0b200000-3d0b36f000 r-xp 00000000 fd:02 25650                          /lib64/
3d0b36f000-3d0b56e000 ---p 0016f000 fd:02 25650                          /lib64/
3d0b56e000-3d0b572000 r--p 0016e000 fd:02 25650                          /lib64/
3d0b572000-3d0b573000 rw-p 00172000 fd:02 25650                          /lib64/
3d0b573000-3d0b578000 rw-p 00000000 00:00 0 
3d0b600000-3d0b602000 r-xp 00000000 fd:02 39639                          /lib64/
3d0b602000-3d0b802000 ---p 00002000 fd:02 39639                          /lib64/
3d0b802000-3d0b803000 r--p 00002000 fd:02 39639                          /lib64/
3d0b803000-3d0b804000 rw-p 00003000 fd:02 39639                          /lib64/
3d0ba00000-3d0ba17000 r-xp 00000000 fd:02 48521                          /lib64/
3d0ba17000-3d0bc16000 ---p 00017000 fd:02 48521                          /lib64/
3d0bc16000-3d0bc17000 r--p 00016000 fd:02 48521                          /lib64/
3d0bc17000-3d0bc18000 rw-p 00017000 fd:02 48521                          /lib64/
3d0bc18000-3d0bc1c000 rw-p 00000000 00:00 0 
3d0be00000-3d0be07000 r-xp 00000000 fd:02 48522                          /lib64/
3d0be07000-3d0c006000 ---p 00007000 fd:02 48522                          /lib64/
3d0c006000-3d0c007000 r--p 00006000 fd:02 48522                          /lib64/
3d0c007000-3d0c008000 rw-p 00007000 fd:02 48522                          /lib64/
3d0c200000-3d0c283000 r-xp 00000000 fd:02 25651                          /lib64/
3d0c283000-3d0c482000 ---p 00083000 fd:02 25651                          /lib64/
3d0c482000-3d0c483000 r--p 00082000 fd:02 25651                          /lib64/
3d0c483000-3d0c484000 rw-p 00083000 fd:02 25651                          /lib64/
3d0c600000-3d0c620000 r-xp 00000000 fd:02 7787                           /usr/lib64/
3d0c620000-3d0c81f000 ---p 00020000 fd:02 7787                           /usr/lib64/
3d0c81f000-3d0c821000 rw-p 0001f000 fd:02 7787                           /usr/lib64/
3d0c821000-3d0c829000 rw-p 00000000 00:00 0 
3d17e00000-3d17e16000 r-xp 00000000 fd:02 52283                          /lib64/
3d17e16000-3d18015000 ---p 00016000 fd:02 52283                          /lib64/
3d18015000-3d18016000 rw-p 00015000 fd:02 52283                          /lib64/
3d19a00000-3d19af3000 r-xp 00000000 fd:02 53983                          /usr/lib64/
3d19af3000-3d19cf3000 ---p 000f3000 fd:02 53983                          /usr/lib64/
3d19cf3000-3d19cfa000 r--p 000f3000 fd:02 53983                          /usr/lib64/
3d19cfa000-3d19cfc000 rw-p 000fa000 fd:02 53983                          /usr/lib64/
3d19cfc000-3d19d11000 rw-p 00000000 00:00 0 
7f93fd06c000-7f93fd074000 r-xp 00000000 fd:02 30709                      /usr/lib64/jack/
7f93fd074000-7f93fd273000 ---p 00008000 fd:02 30709                      /usr/lib64/jack/
7f93fd273000-7f93fd274000 rw-p 00007000 fd:02 30709                      /usr/lib64/jack/
7f93fd274000-7f93fd279000 rw-p 00000000 00:00 0 
7f93fd291000-7f93fd292000 rw-p 00000000 00:00 0 
7fff718a5000-7fff718ba000 rw-p 00000000 00:00 0                          [stack]
7fff719ff000-7fff71a00000 r-xp 00000000 00:00 0                          [vdso]
ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0                  [vsyscall]
02:10:16.850 JACK was stopped successfully.
02:10:16.850 Post-shutdown script...
02:10:16.851 killall jackd
02:10:16.851 JACK has crashed.
jackd: no process killed
02:10:17.267 Post-shutdown script terminated with exit status=256.
02:10:18.905 Could not connect to JACK server as client. - Overall operation failed. - Unable to connect to server. Please check the messages window for more info.
Points of interest seem to be:
02:10:16.313 artsshell -q terminate
02:10:16.741 Startup script terminated with exit status=256.
I was orginally getting an error here that said "artsshell: command not found" so I installed artsshell but it's still failing here for some other reason.

*** buffer overflow detected ***: /usr/bin/jackd terminated
I'm using Fedora 12 64bit

I would really appreciate any help, thanks
Old 12-05-2009, 05:05 AM   #2
Registered: Mar 2004
Location: Montreal, Canada
Distribution: Mandriva 2010.2
Posts: 148

Rep: Reputation: 24
Check if Jack is not crashing due to a latency problem.
On my Debian Lenny: I use this line to know the latency.
cat /proc/sys/dev/hpet/max-user-freq
If not 1024 then:
echo 1024 > /proc/sys/dev/hpet/max-user-freq
Then try starting Jack again. If it work you can set that figure permanently, add this line to your /etc/rc.d/rc.local
echo 1024 > /proc/sys/dev/hpet/max-user-freq
On my Mandriva computer: I use this line to know the latency.
cat /proc/sys/dev/hpet/max-user-freq
or depending on version of Mandriva
cat /proc/sys/dev/rtc/max-user-freq
For programs like Ardour you better off with a Multimedia distro:


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