[Bug 1696981] Re: fixrtc is ineffective when there is no battery for the RTC
Stefan Bader
stefan.bader at canonical.com
Tue Sep 5 14:33:41 UTC 2017
@Alfonso, right, but the details about what exactly failed is quite important/useful information. If some certificates are deemed invalid on boot until there is network this does not sound too bad at first. If this causes services to not start, then this becomes more important to fix.
Also wondering how this works on different arches (like armhf/raspberrypi). Those things have no RTC and also no links to kernel/initrd in /. Those come up ok even with last mount time being off. But then maybe those do not run whatever is having issues.
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https://bugs.launchpad.net/bugs/1696981
Title:
fixrtc is ineffective when there is no battery for the RTC
Status in initramfs-tools package in Ubuntu:
Incomplete
Bug description:
When there is no battery for the RTC, fixrtc is not able to find a
good enough date. To fix the clock, this script is using the last time
the root filesystem was mounted, but as that is done before there is
any network, and as after a reboot/poweroff the RTC time is always
reset (because time is not kept due to lack of battery), the mount
time will never be good.
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