mainTutka - Support: sr #109522, RTC unavailable - only NanoSleep...

 
 

sr #109522: RTC unavailable - only NanoSleep available

Submitter:  None
Submitted:  Sun 01 Jul 2018 09:53:28 PM UTC
   
 
Category:  None Priority:  5 - Normal
Severity:  4 - Important Status:  None
Privacy:  Public Assigned to:  None
Originator Email:  -email is unavailable- Open/Closed:  Open
Operating System:  * GNU/Linux
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Sun 01 Jul 2018 09:53:28 PM UTC, original submission:  

It seems tutka cannot see system RTC scheduling mode when it should be able to.

On ArchLinux (kernel 4.16.8-1-ARCH) my standard user can only see NanoSleep as a Scheduling Mode but has access to "/dev/rtc0" via the "hwclock" command and is in group "audio" which apparently provides access to "/dev/rtc0". However, running as root via "sudo tutka" I do see the "RTC" option.

Why can hwclock see /dev/rtc0 but Tutka cannot under non-root users?

thanks

PS output from command "$hwclock -r --verbose" is:

hwclock from util-linux 2.32
System Time: 1530481137.872193
Trying to open: /dev/rtc0
Using the rtc interface to the clock.
Assuming hardware clock is kept in UTC time.
Waiting for clock tick...
...got clock tick
Time read from Hardware Clock: 2018/07/01 21:38:58
...

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