[LAU] /dev/rtc permissions on Debian

[rosea.grammostola]

On 01/10/2012 01:00 PM, linux-audio-user-request at lists.linuxaudio.org wrote:
>> >  You might have your settings for the maximum value set too low. What does
>> >  the following show:
>> >
>> >     $ cat /sys/class/rtc/rtc0/max_user_freq
>> >
>> >  On older kernels that should be:
>> >
>> >     $ cat /proc/sys/dev/rtc/max-user-freq
>> >
>> >  Also relevant:
>> >
>> >     $ cat /proc/sys/dev/hpet/max-user-freq
>> >
>> >  You can set these values like this:
>> >
>> >     $ sudo echo 2048>   /sys/class/rtc/rtc0/max_user_freq
>> >     $ sudo echo 2048>   /proc/sys/dev/hpet/max-user-freq
>> >
>> >  or set them in /etc/sysctl.conf
>> >
>> >  HTH Ralf Mattes
>> >
> Hello,
>
> How does this all relate to the snd-hrtimer ALSA module? Or is this a
> software timer while hpet and rtc0 are hardware timers? This is a bit
> uncharted territory for me and I like to get things straight for the
> LinuxMusicians system configuration page
> (http://wiki.linuxmusicians.com/doku.php?id=system_configuration), and
> also for myself as I use MIDI a lot (Qtractor, seq24, Hydrogen etc.).
>
> Best,
>
> Jeremy
>

I did the echo commands and added the 40-timers-permission.rules file 
also, as described here:
http://wiki.linuxmusicians.com/doku.php?id=system_configuration#hardware_timers

That made the error message go away in OOM