[ardour-users] limits.conf WARNING

[plutek]

On 01/30/2007 06:27:52 AM, Sampo Savolainen wrote:
> Quoting Michael Gerdau <mgd at technosis.de>:
> 
> > > > here the limits.conf looks like:
> > > >
> > > >
> > > > ......
> > > > #@audio         -       nice            -19
> > > > #@audio         -       rtprio          99
> > > > #@audio         -       memlock         500000
> > > >
> > > > # End of file
> > > > @audio - rtprio 99
> > > > @audio - memlock 250000
> > > > @audio - nice -10
> > > >
> > > >
> > > > if i change the memlock variable to 500000 and reboot, there
> still
> > is
> > > > the warning.
> > >
> > > You have 500K being allocated here, you'll need several MB at
> least.
> >
> > You sure about the 500k ?
> >
> > According to the documentation the value of memlock is in KB which
> would
> > make the above value almost 500MB.
> >
> > Anyway, I have set this value to 4000000 (which IMO is almost 4GB)
> and
> > I also get this warning (my system has 2GB of RAM).
> >
> > So the question is whether the PAM documentation is wrong and
> memlock
> > is not given in KB ?
> > Or is Ardour raising a false alarm ?
> 
> Ardour will give this warning for any amount of maximum locked memory.
> It is
> a /warning/, not an error. It points the user to a potential problem
> which
> they should look at if they run into issues.
> 
> "This might cause Ardour to run out of memory before your system runs
> out of
> memory... "
> 
> The warning means you MIGHT run out of memory BEFORE your whole system
> runs
> really out of memory.

to clarify further, AFAIK ardour is simply pointing to the existence of  
SOME memlock setting; if (as in your case) that setting is greater than  
your existing physical memory, it is a completely moot point since that  
amount cannot ever be reached.


.pltk.