Re: Fedora 9 /dev/rtc missing

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byrdca@xxxxxxxxx wrote:
It sounds as if your hardware clock is simply not usable by the kernel
drivers. However, if you boot and get the system starting at nearly the
right time, then it's likely that your hardware is being read. In
/var/log/messages, when you boot do the messages have the right time? If so
some source of the clock was found.

--
Bill Davidsen <davidsen@xxxxxxx>
 "We have more to fear from the bungling of the incompetent than from
the machinations of the wicked."  - from Slashdot

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Well it seems like the time is incorrect in /var/log/messages as well.
 Is there a particular mod I should be looking for in the results of
an lsmod?  Is there a particular module that I can insert to get it
working?

I would expect support for the CMOS clock to be loaded automatically, and I can't guess why you would need anything else. There might be a boot option, but it certainly doesn't come to mind.

Looking at several working systems, I am trying to guess which modules might be related. There is virtually nothing in common between a Q6600 and Celeron system with SIS chipset, so I doubt it's a module.

I know that this machine had a working clock at some point when I was
on Fedora 8, I can not recall with absolute certainty if this issue
appeared in 8 or only after I installed 9.

Here are some ideas in order of how likely I think they are:
1 - find out how to tell XP to use UCT on the hardware clock and reset it to UTC. This will also fix problems the next time our bonehead congress proves it doesn't understand time and resets DST.

2 - in GNOME go to system->administration->date&time, and on the "time zone" tab check that you have the TZ set and the hardware clock checked (or not, if you disregard my 1st idea).

3 - use the acpi= boot options, you can look up which ones seem possible as solutions. It could be an ACPI problem, there were a lot of changes in that area with FC9 kernels. Actually with recent kernels, I think they're in FC8 current as well.

4 - disable apic from the boot options line. Last resort, I have no idea why this might help, but I saw it in a posting elsewhere.

--
Bill Davidsen <davidsen@xxxxxxx>
  "We have more to fear from the bungling of the incompetent than from
the machinations of the wicked."  - from Slashdot

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To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list
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