Re: [PATCH] reinstate mac rtc

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On Sun, 19 Oct 2008, Finn Thain wrote:

On Sat, 18 Oct 2008, Kolbjørn Barmen wrote:

On Sat, 18 Oct 2008, Riccardo wrote:

I don't know "how", but with 2.2 kernels I always had a correct date 
at boot without any tricks. It is true though that with high CPU load 
we had clockskew and that we didn't save back the date and hourtime to 
the clock, thus any clock setting needed to be done from the mac side. 
A compromoise, but better than the current situation.

The clockproblem is something I stumble upon every now and then on 
various machinees - I really wish there was a kernel parameter where one 
could set a date string, then the bootloader could pass it on.

It isn't a problem if you disable the time-stamp triggered fsck and set 
the clock from the network (rdate or ntp).

This is the answer I keep getting, but it isnt really helping.

* SSL/TLS and certificate validation. For example my gumtix uses 802.1X to
get online, when it is running in "1970-01-01", the server and client
certificates are ofcourse not valid and the authentication _will_ fail,
and it wont go online, and therefor no ntp. As .1x is becoming more common
even on the wire, this problem will grow, at least for me - and .1X is not
the only "get online"-method that relies on certificate validation.

* Logs, erronous datestamps all over the place, and files made in 1970 or
whatever (my acer laptop always starts in 1988-01-01)

There are so many kernel parameters for the strangest things, all I ask
for is one with a timestamp - then I could tell my gumstick to always boot
on a given time where the .1x certificates would be valid instead of
1970-01-01. And on my laptop, I could just change a value in grub before
booting. On the mac, penguin could just take system time from macos and
pass it on, maybe even emile could do it.

-- kolla
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