Re: [LAU] Jack hanging when a usb soundcard is disconnected

From: Will Godfrey <willgodfrey@email-addr-hidden>
Date: Sat Oct 17 2015 - 21:24:02 EEST

On Sat, 17 Oct 2015 13:58:37 -0400
Ivica Ico Bukvic <ico@email-addr-hidden> wrote:

> Hi all,
>
> This is a long-standing problem. While it is not intentional, sometimes
> newcomers to jack on Linux tend to pull out the soundcard (USB) before
> shutting down jack. This results in jack permanently hanging to the
> point where one has to force-shutdown the machine. That is at least the
> case on Ubuntu 14.04 (and was on 12.04) with lowlatency kernel. Trying
> to do sudo killall -9 jackd makes no difference. Essentially, it is
> impossible to destroy the process and reboot hangs because of it.
>
> Any idea what can be done to minimize this problem or alleviate it
> altogether?
>
> Best,
>
> Ico

a workaround is from a terminal type:

pidof jackd

you'll get a number such as 3772

then type

kill -9 3772

-- 
Will J Godfrey
http://www.musically.me.uk
Say you have a poem and I have a tune.
Exchange them and we can both have a poem, a tune, and a song.
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Received on Sun Oct 18 00:15:02 2015

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