Thread (13 messages) 13 messages, 7 authors, 2000-08-08

Re: rtc again...

flat view

From: Benjamin Herrenschmidt <hidden>
Date: 2000-08-03 09:30:49

I am using it as module both for 2.2.17-bk and for 2.4.0-test5. They
don't give the same time, and I think it is the one in 2.4.0 that is
right. I am at GMT+2:00, and the time in 2.2.17 is 2 hours early. When I
change /etc/sysconfig/clock from "UTC=false" to "UTC=true", both times
shift by 2 hours, but the discrepancy remains.

The following patch for bitkeeper linuxppc_2_2 fixes this problem for
me. It brings 2.2.17pre13 in line with 2.4.0-test5 (and MacOS). I cannot
test the VIAPMU part, so maybe there the offset is necessary, but for
the VIACUDA part, it seems wrong.
You patch reverts a fix I made some time ago. Basially, what probably
happens is that your RTC is in UTC time, not in local time. The Mac RTC
is supposed to be in local time, the offset corrects the kernel time on
boot to account for this. Previously, without that fix, the kernel used
to boot with a bogus UTC time until userland fixes it.

Ben.


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