[ardour-users] limits.conf WARNING

Brett Clark Brett at ciscoinc.com
Fri Feb 2 07:51:04 PST 2007

>> is it  a kind of security risk, if i leave that line like that now?
If you changed the line for @audio, then it would only be a risk for 
users in the 'audio' group.  You can also set the line for a specific 
user by putting the user name w/o the preceeding '@' sign.  That 
would narrow the risk further.  For example:
    myuser   -   memlock unlimited
would set it to unlimited for myuser only.


From: ardour-users-bounces at lists.ardour.org on behalf of Dragan Noveski
Sent: Fri 2/2/2007 9:21 AM
To: Sampo Savolainen; ardour-users at lists.ardour.org
Subject: Re: [ardour-users] limits.conf WARNING

Sampo Savolainen wrote:
> Quoting Dragan Noveski <perodog at gmx.net>:
>> so i extended the limits.conf file here now:
>>  @audio - rtprio 99
>> @audio - memlock 500000
>> @audio - nice -10
>> @audio   soft            nolimit    4096 
>> @audio   hard            nolimit    8192  
>> but still there is that warning.
>> as i understood sampo, it is not bad at all, its only a warning about a
>> existing of an maximum of memlock. but in the never svn, i get now the
>> warning not only in the terminal, but there is an extra window appearing
>> before the ardourvst session opens.
> Yes. There is now also a warning dialog. We are planning to put a "do not
> show this dialog again" checkbox into the dialog. The idea is to make users
> concious about the existing limit.
> I feel the need to voice out one more concern: Some systems have an
> "inherent" memlock limit which might be causing some people unnecessary
> headache. This inherent limit shows up when no memlock clause is in
> limits.conf. This can be as low as 32kb! That limit is so low that jackd
> can't start, let alone ardour.
> For the record, you can set that to unlimited by simply setting the
> limits.conf memlock limit clause to "unlimited" (without the quotes).
>   Sampo
thanks sampo, i just change that line as you suggested , did a reboot
and i don´t get that warning anymore.
is it  a kind of security risk, if i leave that line like that now?

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