Re: [Jack-Devel] Jack 1.9.7 on ARM crashes when killing a client

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DateFri, 11 Feb 2011 17:07:18 +0100
From Stéphane Letz <[hidden] at grame dot fr>
ToValerio Pilo <[hidden] at akhela dot com>
Cc"[hidden] at lists dot jackaudio dot org" <[hidden] at lists dot jackaudio dot org>
In-Reply-ToValerio Pilo Re: [Jack-Devel] Jack 1.9.7 on ARM crashes when killing a client
Follow-UpValerio Pilo Re: [Jack-Devel] Jack 1.9.7 on ARM crashes when killing a client
> 
> 
> I just tried Jack 0.118 on the ARM box - it works without a problem, using this cmdline:
> > jackd -v -r -t 2000 -d alsa -d chrouter -D -r 44100 -S -p 2048 -n 4


Any log of jack1 when application is killed ?
> 
> So the eyes are on jack2's ALSA driver class, now.

When jackd (JACK2) is in synchronous mode, and a client is killed, we may have a cycle where the graph is late, because the client is not run properly but it has not yet been removed from the graph. This seems to cause an Xrun in ALSA the cannot be recovered.

I may be that for some reason jack1 does not cause an ALSA Xrun in this case?

> 
> Any suggestion? I'm already ripping that class up to shreds atm
> 

First we need to check if jack1 behave in a similar way: late graph ==> ALSA Xrun, or not.

Stéphane 
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