Jack Crashes When Clicking Stop Button in QjackCtl

[Dac Chartrand]

I'm getting this type of crash 3 out of 5 times. It happens when I click the Stop button in QjackCtl. Then, QjackCtl is unusable until I restart it.

Everything installed from Ubuntu default repositories.

-=-=-

00:01:29.659 D-BUS: JACK server could not be stopped. Sorry
Sat Jul 7 00:01:29 2012: Client 'qjackctl' with PID 2685 is out
Sat Jul 7 00:01:29 2012: Stopping jack server...
Sat Jul 7 00:01:29 2012: Client 'system' with PID 0 is out
Sat Jul 7 00:01:29 2012: ERROR: Abort!
Sat Jul 7 00:01:29 2012: ERROR: info.si_signo = 6
Sat Jul 7 00:01:29 2012: ERROR: info.si_errno = 0
Sat Jul 7 00:01:29 2012: ERROR: Segmentation Fault!
Sat Jul 7 00:01:29 2012: ERROR: info.si_signo = 11
Sat Jul 7 00:01:29 2012: ERROR: info.si_errno = 0
Sat Jul 7 00:01:29 2012: ERROR: info.si_code = 1 (SEGV_MAPERR)
Sat Jul 7 00:01:29 2012: ERROR: info.si_addr = 0x525245
Sat Jul 7 00:01:29 2012: ERROR: reg[00] = 0x00007faa1ef95582
Sat Jul 7 00:01:29 2012: ERROR: reg[01] = 0x0000000000000000
Sat Jul 7 00:01:29 2012: ERROR: reg[02] = 0x00007faa1ef952b8
Sat Jul 7 00:01:29 2012: ERROR: reg[03] = 0x0000000000000246
Sat Jul 7 00:01:29 2012: ERROR: reg[04] = 0x00007faa1ef956f8
Sat Jul 7 00:01:29 2012: ERROR: reg[05] = 0x0000000000413c3b
Sat Jul 7 00:01:29 2012: ERROR: reg[06] = 0x0000000000000000
Sat Jul 7 00:01:29 2012: ERROR: reg[07] = 0x0000000000000014
Sat Jul 7 00:01:29 2012: ERROR: reg[08] = 0x0000000000525245
Sat Jul 7 00:01:29 2012: ERROR: reg[09] = 0x0000000000413c4d
Sat Jul 7 00:01:29 2012: ERROR: reg[10] = 0x00007faa1ef953f0
Sat Jul 7 00:01:29 2012: ERROR: reg[11] = 0x00007faa1ef95400
Sat Jul 7 00:01:29 2012: ERROR: reg[12] = 0x0000000000000018
Sat Jul 7 00:01:29 2012: ERROR: reg[13] = 0x0000000000000000
Sat Jul 7 00:01:29 2012: ERROR: reg[14] = 0xffffffffffffffff
Sat Jul 7 00:01:29 2012: ERROR: reg[15] = 0x00007faa1ef94d90
Sat Jul 7 00:01:29 2012: ERROR: reg[16] = 0x00007faa1dd12dba
Sat Jul 7 00:01:29 2012: ERROR: reg[17] = 0x0000000000010246
Sat Jul 7 00:01:29 2012: ERROR: reg[18] = 0x0000000000000033
Sat Jul 7 00:01:29 2012: ERROR: reg[19] = 0x0000000000000004
Sat Jul 7 00:01:29 2012: ERROR: reg[20] = 0x000000000000000e
Sat Jul 7 00:01:29 2012: ERROR: reg[21] = 0x0000000080005a27
Sat Jul 7 00:01:29 2012: ERROR: reg[22] = 0x0000000000525245
Sat Jul 7 00:01:29 2012: ERROR: Stack trace:
Sat Jul 7 00:01:29 2012: ERROR: 1: 0x7faa1dd12dba <_IO_vfprintf+10042> (/lib/x86_64-linux-gnu/libc.so.6)
Sat Jul 7 00:01:29 2012: ERROR: 2: 0x7faa1ddd0580 <__vsnprintf_chk+176> (/lib/x86_64-linux-gnu/libc.so.6)
Sat Jul 7 00:01:29 2012: ERROR: End of stack trace

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$ jackd --version
jackdmp 1.9.8
Copyright 2001-2005 Paul Davis and others.
Copyright 2004-2011 Grame.
jackdmp 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
jackdmp version 1.9.8 tmpdir /dev/shm protocol 8

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[semidark (nthomaier)]

Same thing for me.

crashes 3 out of 5 times

-=-=
23:49:44.627 D-BUS: JACK-Server konnte nicht angehalten werden. Tut mir leid
Fri Dec 21 23:49:44 2012: Client 'qjackctl' with PID 25031 is out
Fri Dec 21 23:49:44 2012: Stopping jack server...
Fri Dec 21 23:49:44 2012: Client 'system' with PID 0 is out
Fri Dec 21 23:49:44 2012: ERROR: Abort!
Fri Dec 21 23:49:44 2012: ERROR: info.si_signo = 6
Fri Dec 21 23:49:44 2012: ERROR: info.si_errno = 0
Fri Dec 21 23:49:44 2012: ERROR: Segmentation Fault!
Fri Dec 21 23:49:44 2012: ERROR: info.si_signo = 11
Fri Dec 21 23:49:44 2012: ERROR: info.si_errno = 0
Fri Dec 21 23:49:44 2012: ERROR: info.si_code = 1 (SEGV_MAPERR)
Fri Dec 21 23:49:44 2012: ERROR: info.si_addr = 0x525245
Fri Dec 21 23:49:44 2012: ERROR: reg[00] = 0x00007fb07a1292b8
Fri Dec 21 23:49:44 2012: ERROR: reg[01] = 0x0000000000000000
Fri Dec 21 23:49:44 2012: ERROR: reg[02] = 0x00000000ffff8000
Fri Dec 21 23:49:44 2012: ERROR: reg[03] = 0x0000000000000246
Fri Dec 21 23:49:44 2012: ERROR: reg[04] = 0x00007fb07a1296f8
Fri Dec 21 23:49:44 2012: ERROR: reg[05] = 0x0000000000413c3b
Fri Dec 21 23:49:44 2012: ERROR: reg[06] = 0x0000000000000014
Fri Dec 21 23:49:44 2012: ERROR: reg[07] = 0x0000000000000000
Fri Dec 21 23:49:44 2012: ERROR: reg[08] = 0x0000000000525245
Fri Dec 21 23:49:44 2012: ERROR: reg[09] = 0x0000000000413c4d
Fri Dec 21 23:49:44 2012: ERROR: reg[10] = 0x00007fb07a1293f0
Fri Dec 21 23:49:44 2012: ERROR: reg[11] = 0x00007fb07a129400
Fri Dec 21 23:49:44 2012: ERROR: reg[12] = 0x0000000000000018
Fri Dec 21 23:49:44 2012: ERROR: reg[13] = 0x0000000000000000
Fri Dec 21 23:49:44 2012: ERROR: reg[14] = 0xffffffffffffffff
Fri Dec 21 23:49:44 2012: ERROR: reg[15] = 0x00007fb07a128d90
Fri Dec 21 23:49:44 2012: ERROR: reg[16] = 0x00007fb078eb83b1
Fri Dec 21 23:49:44 2012: ERROR: reg[17] = 0x0000000000010246
Fri Dec 21 23:49:44 2012: ERROR: reg[18] = 0x0000000000000033
Fri Dec 21 23:49:44 2012: ERROR: reg[19] = 0x0000000000000004
Fri Dec 21 23:49:44 2012: ERROR: reg[20] = 0x000000000000000e
Fri Dec 21 23:49:44 2012: ERROR: reg[21] = 0x0000000080005a27
Fri Dec 21 23:49:44 2012: ERROR: reg[22] = 0x0000000000525245
Fri Dec 21 23:49:44 2012: ERROR: Stack trace:
Fri Dec 21 23:49:44 2012: ERROR: 1: 0x7fb078eb83b1 <_IO_vfprintf+10737> (/lib/x86_64-linux-gnu/libc.so.6)
Fri Dec 21 23:49:44 2012: ERROR: 2: 0x7fb078f75d80 <__vsnprintf_chk+176> (/lib/x86_64-linux-gnu/libc.so.6)
Fri Dec 21 23:49:44 2012: ERROR: End of stack trace

-=-=-

$ jackd --version
jackdmp 1.9.8
Copyright 2001-2005 Paul Davis and others.
Copyright 2004-2011 Grame.
jackdmp comes with ABSOLUTELY NO...

[semidark (nthomaier)]

sry. havent seen that it is a duplicate of #956438