[Jack-Devel] Jack crashes, maybe a bug?

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Date	Tue, 02 Jul 2013 14:18:19 +0200
From	Stefano Rossi <[hidden] at stefanorossi dot me>
To	[hidden] at lists dot jackaudio dot org
Follow-Up	John Rigg Re: [Jack-Devel] Jack crashes, maybe a bug?
Hello everybody,

I'm not sure this is the right place to post bugs. Please apologize me if
it's not, I wasn't sure where to post.

This is my version of jackd:

> $ jackd --version
> jackdmp 1.9.9.5


I currently have an alsa device, called "multi", which groups two cards:

> $ cat /etc/asound.conf
> pcm.multi {
>         type multi;
>         slaves.a.pcm "hw:Live";
>         slaves.a.channels 2;
>         slaves.b.pcm "hw:Intel";
>         slaves.b.channels 2;
>         bindings.0.slave a;
>         bindings.0.channel 0;
>         bindings.1.slave a;
>         bindings.1.channel 1;
>         bindings.2.slave b;
>         bindings.2.channel 0;
>         bindings.3.slave b;
>         bindings.3.channel 1;
> }
> ctl.multi {
>         type hw;
>         card 0;
> }
> pcm.jack2x4 {
>      type asym
>      playback.pcm {
>           type route
>           slave.pcm "multi"
>           ttable.0.0 1
>           ttable.1.1 1
>           ttable.2.2 1
>           ttable.3.3 1
>      }
>      capture.pcm {
>           type hw
>           card 0
>      }
> }
> ctl.jack2x4 {
>      type hw
>      card 0
> }


My cards:

> $ cat /proc/asound/cards
>  0 [Live           ]: EMU10K1 - SB Live! Value [CT4670]
>                       SB Live! Value [CT4670] (rev.5, serial:0x201102) at
> 0xef00, irq 16
>  1 [Intel          ]: HDA-Intel - HDA Intel
>                       HDA Intel at 0xfdff8000 irq 44


This is my jackdrc:

> $ cat /etc/jackdrc
> /usr/bin/jackd -d alsa -d jack2x4


If I start jackd either via dbus or via /usr/bin/jackd, it crashes after a
while. I was able to see it from the "Messages" window of qjackctrl. This
is a small part of that window (you can see the full window at
http://pastebin.com/k776zEmX), the errors are repeated very often:

> Tue Jul 2 13:48:40 2013: ERROR: Unknown request 4294967295
> Tue Jul 2 13:48:40 2013: ERROR: CheckSize error size = 32 Size() = 12
> Tue Jul 2 13:48:40 2013: ERROR: CheckRead error
> Tue Jul 2 13:48:40 2013: ERROR: CheckSize error size = 32 Size() = 4
> Tue Jul 2 13:48:40 2013: ERROR: CheckRead error
> Tue Jul 2 13:48:40 2013: ERROR: CheckSize error size = -1 Size() = 4
> Tue Jul 2 13:48:40 2013: ERROR: CheckRead error
> Tue Jul 2 13:48:40 2013: ERROR: CheckSize error size = 0 Size() = 12
> Tue Jul 2 13:48:40 2013: ERROR: CheckRead error
> Tue Jul 2 13:48:40 2013: ERROR: CheckSize error size = 0 Size() = 12
> Tue Jul 2 13:48:40 2013: ERROR: CheckRead error
> Tue Jul 2 13:48:40 2013: ERROR: CheckSize error size = 0 Size() = 12
> Tue Jul 2 13:48:40 2013: ERROR: CheckRead error
> Tue Jul 2 13:48:40 2013: ERROR: CheckSize error size = 32 Size() = 12
> Tue Jul 2 13:48:40 2013: ERROR: CheckRead error
> Tue Jul 2 13:48:40 2013: ERROR: CheckSize error size = -1 Size() = 4
> Tue Jul 2 13:48:40 2013: ERROR: CheckRead error
> Tue Jul 2 13:48:40 2013: ERROR: CheckSize error size = 0 Size() = 12
> Tue Jul 2 13:48:40 2013: ERROR: CheckRead error
> Tue Jul 2 13:48:40 2013: ERROR: CheckSize error size = -1 Size() = 4
> Tue Jul 2 13:48:40 2013: ERROR: CheckRead error
> Tue Jul 2 13:48:40 2013: ERROR: CheckSize error size = 0 Size() = 12
> Tue Jul 2 13:48:40 2013: ERROR: CheckRead error
> Tue Jul 2 13:48:40 2013: ERROR: CheckSize error size = 32 Size() = 12
> Tue Jul 2 13:48:40 2013: ERROR: CheckRead error
> Tue Jul 2 13:48:40 2013: ERROR: CheckSize error size = -1 Size() = 4
> Tue Jul 2 13:48:40 2013: ERROR: CheckRead error
> Tue Jul 2 13:48:40 2013: ERROR: CheckSize error size = 0 Size() = 12
> Tue Jul 2 13:48:40 2013: ERROR: CheckRead error
> Tue Jul 2 13:48:40 2013: ERROR: CheckSize error size = 32 Size() = 12
> Tue Jul 2 13:48:40 2013: ERROR: CheckRead error
> Tue Jul 2 13:48:40 2013: ERROR: CheckSize error size = -1 Size() = 4
> Tue Jul 2 13:48:40 2013: ERROR: CheckRead error
> Tue Jul 2 13:48:40 2013: ERROR: CheckSize error size = 0 Size() = 12
> Tue Jul 2 13:48:40 2013: ERROR: CheckRead error
> Tue Jul 2 13:48:40 2013: ERROR: Unknown request 0
> Tue Jul 2 13:48:40 2013: ERROR: CheckSize error size = 32 Size() = 12
> Tue Jul 2 13:48:40 2013: ERROR: CheckRead error
> Tue Jul 2 13:48:40 2013: ERROR: CheckSize error size = -1 Size() = 4
> Tue Jul 2 13:48:40 2013: ERROR: CheckRead error
> Tue Jul 2 13:48:40 2013: ERROR: CheckSize error size = 0 Size() = 12
> Tue Jul 2 13:48:40 2013: ERROR: CheckRead error
> Tue Jul 2 13:48:40 2013: ERROR: Unknown request 0
> Tue Jul 2 13:48:40 2013: ERROR: CheckSize error size = 0 Size() = 12
> Tue Jul 2 13:48:40 2013: ERROR: CheckRead error
> Tue Jul 2 13:48:40 2013: ERROR: CheckSize error size = 0 Size() = 12
> Tue Jul 2 13:48:40 2013: ERROR: CheckRead error
> Tue Jul 2 13:48:40 2013: ERROR: CheckSize error size = 32 Size() = 12
> Tue Jul 2 13:48:40 2013: ERROR: CheckRead error
> Tue Jul 2 13:48:40 2013: ERROR: Abort!
> Tue Jul 2 13:48:40 2013: ERROR: info.si_signo = 6
> Tue Jul 2 13:48:40 2013: ERROR: info.si_errno = 0
> Tue Jul 2 13:48:40 2013: ERROR: info.si_code = -6 (unknown)
> Tue Jul 2 13:48:40 2013: ERROR: info.si_addr = 0x3e900005a1e
> Tue Jul 2 13:48:40 2013: ERROR: reg[00] = 0x0000000000000000
> Tue Jul 2 13:48:40 2013: ERROR: reg[01] = 0x0000000000000000
> Tue Jul 2 13:48:40 2013: ERROR: reg[02] = 0x0000000000000008
> Tue Jul 2 13:48:40 2013: ERROR: reg[03] = 0x0000000000000206
> Tue Jul 2 13:48:40 2013: ERROR: reg[04] = 0x00007f542f0fe8ce
> Tue Jul 2 13:48:40 2013: ERROR: reg[05] = 0x00007f542f0ff260
> Tue Jul 2 13:48:40 2013: ERROR: reg[06] = 0x0000000000000003
> Tue Jul 2 13:48:40 2013: ERROR: reg[07] = 0x00007f542f3ff700
> Tue Jul 2 13:48:40 2013: ERROR: reg[08] = 0x0000000000005a1e
> Tue Jul 2 13:48:40 2013: ERROR: reg[09] = 0x00000000000063f4
> Tue Jul 2 13:48:40 2013: ERROR: reg[10] = 0x00007f542e27f9c0
> Tue Jul 2 13:48:40 2013: ERROR: reg[11] = 0x00007f542f377000
> Tue Jul 2 13:48:40 2013: ERROR: reg[12] = 0x0000000000000006
> Tue Jul 2 13:48:40 2013: ERROR: reg[13] = 0x0000000000000000
> Tue Jul 2 13:48:40 2013: ERROR: reg[14] = 0xffffffffffffffff
> Tue Jul 2 13:48:40 2013: ERROR: reg[15] = 0x00007f542f3fe4c8
> Tue Jul 2 13:48:40 2013: ERROR: reg[16] = 0x00007f542e1491e5
> Tue Jul 2 13:48:40 2013: ERROR: reg[17] = 0x0000000000000206
> Tue Jul 2 13:48:40 2013: ERROR: reg[18] = 0x0000000000000033
> Tue Jul 2 13:48:40 2013: ERROR: reg[19] = 0x0000000000000000
> Tue Jul 2 13:48:40 2013: ERROR: reg[20] = 0x0000000000000000
> Tue Jul 2 13:48:40 2013: ERROR: reg[21] = 0x0000000000005a07
> Tue Jul 2 13:48:40 2013: ERROR: reg[22] = 0x0000000000000000
> Tue Jul 2 13:48:40 2013: ERROR: Stack trace:
> Tue Jul 2 13:48:40 2013: ERROR: 1: 0x7f542e1491e5 <gsignal+53>
> (/lib/x86_64-linux-gnu/libc.so.6)
> Tue Jul 2 13:48:40 2013: ERROR: End of stack trace


I forgot to mention, I also use pulseaudio with the jack sink:

> $ cat /etc/pulse/default.pa | grep jack
> load-module module-jack-sink channels=4
> channel_map=front-left,front-right,rear-left,rear-right
> load-module module-jack-source


I'm running Debian testing with a 3.9 kernel.


Any idea you might have is greatly appreciated.
Thanks!

Stefano
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