[ardour-users] Ardour Tips and Tricks threadJACKing

[David Mulcahy]

On Thursday 14 July 2005 16:31, Thomas G. Willis wrote:
> oops sorry for thread jacking, thanks whoever changed the subject line.
>
>
> Anyway now I'm confused.
>
> Are you saying there have been reports that /dev/shm can cause xruns or
> /tmp/jack ?
>
If used correctly it works perfectly. The reports of xruns occured if you try 
to mount /dev/shm twice.  It was a while back now on jack-dev.

Dave 

>
> Thanks for all the links though.
>
> On 7/14/05, David Mulcahy <eseol at tiscali.co.uk> wrote:
> > On Thursday 14 July 2005 15:59, smurky wrote:
> > > Thomas G. Willis wrote:
> > > > I'm new to Ardour, I'm using xfs but I'm getting a lot of xruns
> > > > recently. So my question would be, what fs to use? Assuming the fs is
> > > > the source of my problems, which could very well not be the case, it
> > > > might be xorg for all I know.
> > >
> > > It's more than likely the fs. xfs is a journalling file system and
> > > you'll need to edit your /etc/fstab to mount tmp/jack as tmpfs. When I
> > > was using ext3fs I found that the line:
> > > none /dev/shm tmpfs defaults 0 0
> > > gave the best results. Here is the link to the official documentation.
> > > Using ext2 makes things easier and faster. IMHO.
> >
> > The docs are a little out of date. If you are using a recent glibc (i
> > think)
> > or is a recent 2.6 kernel /dev/shm is mounted automatically and if you
> > put that line in your fstab then there have been reports that this in
> > fact will
> > cause xruns.
> >
> > Use the mount command on its own to see what files are mounted and if
> > /dev/shm
> > isnt mounted automatically then add the line to fstab.
> >
> > Dave
> >
> > > Jonathan.
> > >
> > >
> > > http://jackit.sourceforge.net/docs/faq.php#a57
> > >
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> >
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