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

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DateFri, 11 Feb 2011 17:00:33 +0100
From Valerio Pilo <[hidden] at akhela dot com>
To"[hidden] at lists dot jackaudio dot org" <[hidden] at lists dot jackaudio dot org>
In-Reply-ToStéphane Letz Re: [Jack-Devel] Jack 1.9.7 on ARM crashes when killing a client
Follow-UpStéphane Letz Re: [Jack-Devel] Jack 1.9.7 on ARM crashes when killing a client
In data venerdì 11 febbraio 2011 15:52:14, hai scritto:
> > 1) I've attached a test (jackd-test3-dummydriver.log.bz2) with the dummy
> > driver; which works - no issue. Seems to really be an ALSA driver
> > problem.
> 
> OK.
> 
> > 2) i'll start from there
> 
> Well the old code was more "relaxed' since an ALSA backend Read/Write error
> (-1 code) was just handled as a "skipped cycle", then the error handling
> code *inside* the ALSA driver was changed a bit so that "recoverable" ALSA
> error would be handled internally in the backend and not returned in the
> JackAudioDriver layer.
> 
> But is seems something goes really wrong in your ALSA backend, does JACK1
> behaves better in the same situation?

> 
> > 3) After the first test run with async mode (no "-S" argument) it seemed
> > to work - but i rebooted and tried some 5 more times and it broke every
> > time. The log of the last attempt is attached
> > (jackd-test4-asyncmode.log.bz2).
> 
> This continuous message  "ALSA XRun wait_status" basically says that the
> ALSA driver is in a bad state again....
> 
> Stéphane

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

So the eyes are on jack2's ALSA driver class, now.

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

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