Re: Using Chrony with RTL--No /dev/rtc!?

Der Herr Hofrat <[email protected]> Sun, 20 Feb 2005 19:01:48 +0100 (CET)
Newsgroups gmane.linux.real-time.rtlinux.general
Message-ID <[email protected]>
> 
> I installed Chrony 1.20 on my RTL machine, which is based on RHL 9. For the 
> most part it works. It seems to work very well with the non-RTL boot on the 
> same machine from which the RTL boot was derived. However, on the RTL boot, 
> it has a problem with the RTC (realtime clock). In particular, with the 
> rtcdata command. chronyc produces a message that tells me that there is no 
> /dev/rtc. It looks like it's there to me. I can ls -l it, and it looks 
> identical to the one used in the non-RTL boot. 

with ls -l you are checking the device file - no such device means that there
is no driver in the kernel (its just like when you try to do an open on
/dev/rtf0 without rtl_fifo.o loaded). The device file actually is only there
to associate a human readable name like /dev/rtc with a major number
and a device type (character or block) so that the kernel knows which
device drivers fileoperation to call when you attempt an open of /dev/rtc.
If the device is not recognized then you most likely don't have it configured
in your kernel config. 

hofrat
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