Re: /dev/rtc permissions on Debian

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On 01/10/2012 01:00 PM, linux-audio-user-request@xxxxxxxxxxxxxxxxxxxx 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
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