JACK keeps me frustrated

[Hartmut Noack]

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Tomas Valusek schrieb:
> Hello,
> 
> I curse JACK - such a hostile piece of software,

Its not hostile - its powerfull. Dont curse the chainsaw, if you cut
your foot, you would not be happy with a pocket-knife either ;-)

> whose error messages 
> provide no help, stops itself working after mere editing of options 
> according to https://help.ubuntu.com/community/HowToJACKConfiguration 
> (first example, I happen to have the same sound card).

THis example is errmmm... not perfectly the right choice for the average
sound-card:

- - Force 16bit should not be needed
- - Selecting different devices for in/out should not be needed

Choosing hw:00 as in/out in full duplex should do for more or less every
modern soundcard

Selecting 3 periods/buffer often helps with cheapo-soundcards and is
recommended for all fiewire and usb devices

> 
> The worst - I don't know how to return to previous working state other 
> from completely reinstall Ubuntu Studio from scratch ... If only Linux 
> had Restore points as WinXP does ...

So this is the outcome of the bespoken Ubuntu usability efforts? Users
long for Bug No1 in launchpad because the concept of making a backup and
restore it if needed could be "too complicated" for Bob and Rosie??
whoooaaahhh -- scary messages scrolling by }:-]

> I absolutely don't know what now, how to return JACK to its previous
> working state. Can anyone help me? Many thanks in advance.

To set jackd in its initial (working) state you only need to do as follows:

1.) open you filemanager and make it show hidden files
2.) search for .qt/qjackctlrc and .jackdrc
3.) make sure neither qjackctl nor jackd are running and delete them

Starting qjackctl afterwards should give the same result as if you had a
new-installed system.

This is a the simple trick for making "restore points": store all files
and folders in your home-dir starting with a dot and store /etc
completely. whenever you want to return to a previous state, restore
these files, first those in you /home if this is not enough the
/etc-stuff also.
You should be carefull about the /etc-files if you install new software
or do other config-stuff as root. If you like the results, make a fresh
backup. If not uninstall the unwanted software and undo the configs.
Only if one of the latter 2 fails, restore the /etc-files immediately.


good luck ;-)
HZN
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