[LAU] Jack hanging when a usb soundcard is disconnected

[Ivica Ico Bukvic]

On 10/19/2015 10:09 PM, Paul Davis wrote:
>
> Since former is not necessarily in our immediate control, any hope of 
> latter being implemented by those on this list who are in control?
>
> well, jack2 will listen to dbus already (see the link to robin's work 
> on this). jack1 is never going to interact directly with d-bus in the 
> same way as jack2, but for this particular purpose, a platform centric 
> patch would be smart.
>
> better yet though, this should be buried inside the ALSA backend and 
> all backends should have a way to tell JACK that the device has "gone 
> away".we've had to visit+revisit this for the new abstracted audio I/O 
> backends inside ardour already.
>
> chances of any of the usual suspects doing this for JACK1: close to 
> zero i think.
>

Thanks for the clarification, Paul. I guess my parting question is what 
has changed between Ubuntu 12.04 days and 14.04 that has made this so 
much more problematic? Kernel? Alsa? Both?