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

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DateFri, 11 Feb 2011 15:52:14 +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
> 
> 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 
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