[Bug 43745] Re: Ubuntu corrupts real time clock on some dell laptops

[Klaus Reimer]

> access to the CMOS in a way that tends to draw down the battery?

This sounds wrong. Whenever I had this problem with the CMOS clock I
just removed the CMOS battery for about 30 seconds and reinserted the
same battery and everything was working again. So the battery was not
empty and I never replaced it with a new battery. I'm still pretty sure
the kernel just sometimes corrupts somehow something in the BIOS (A very
exact explanation, isn't it? ;-). Removing and re-inserting the battery
just causes the BIOS to reset properly so everything works again. And it
must be the kernel which corrupts the BIOS and no other appliations
because I can reproduce the problem by just starting the kernel again
and again with the option init=/sbin/reboot. So in my opinion fiddling
around with the /etc/init.d/hwclock stuff is not a solution.

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Ubuntu corrupts real time clock on some dell laptops
https://launchpad.net/bugs/43745